Obviously, the engine is not stock because Monte Carlos, SS, or not, didn't come with a 350 in the 80's. Winner’s Circle Our team is a circle of winners that would not be complete without every component working together as a well-oiled machine. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8 4.7 out of 5 stars 425. 773 posts Member since Jul 2008. Part # R43TS: SKU # 107029: Weight: 0.45lbs: Application: 1.- With 351 Cleveland engine (8 valve cover bolts) Part # R43TS. I pulled the plugs tonight and considering the crappy gas I've been getting from the local Shell and Sunco gas, the plugs are the correct tan color and they have been in the motor for awhile now, I think they have been in the motor for 3 years and holding pretty well. The r43ts is a extended tip plug. Messages: 5,922 Likes Received: 35. Easy to use parts catalog. 122 replacement spark plugs for AC Delco R43TS. Buy online, pick up in-store in 30 minutes. Ketju osiossa 'Sähkölaitteet', aloittaja Jza, 8.8.2006. 90 Chaparral 2150SX 350 MAG Alpha 1 Vortec Heads, LT4 HotCam Upgrade GM BowTie 1.6 Roller Rockers Edelbrock RPM Air-Gap Intake Edelbrock 600CFM Marine Carb * New … Get specific details about this product from customers who own it. Product Cross Reference. $20.64. Use Cross References as a guide only. cr43ts 2771 ur5 mr41t 3249 r5673-8 r43ct 4323 br6fs cr43tsm 2771 ur5 mr42k 3522 br6s r43cts 7348 ur6ix cr44n 4922 br6es mr43lts 2238 tr5 r43cts6 7348 ur6ix ... cs45 5921 bm6a r41xls 7788 bpr9es r43ts 2623 bpr6fs cs45t 6221 bm6f r42-5lts 3623 bpr6efs r43ts6 2248 ur55 Can someone explain the difference in AC Derlco spark plugs R 43 T, ts, and 44, 45 ratings ? BS'er formally known as Rebeldryver Resident Instigator sigpic. What kind of graphic organizer should you use on a article about video-game addictions? ACDelco is a true OEM parts brand offering 90,000+ auto parts for Chevy, Buick, GMC, Cadillac, discontinued, and non-GM cars or trucks. Save on ACDelco Conventional Spark Plug CR43TS at Advance Auto Parts. As a side note stay with AC Delco MR43T. need to replace the plugs in my 86' blazer the motor was a 305 and in the book it said for ac plugs to use R43TS but the motor has been changed and am not really sure on the year i was told it was a 305 the plugs that are in it are R45TS what should i go with ? Correct, GM dropped the projected nose for the Marine line up, but they still make the R43TS or CR43TS. $9.95. be sure you dd not crack the porcelin when installing them. 02-19-12 06:36 PM - Post# 2192652 In response to technitom FWIW, I was having plug fouling problems when I first installed my ZZ3 w/edelbrock carb. ACDelco R43TS Professional Conventional Spark Plug (Pack of 1) ACDelco 41-962 Professional Platinum Spark Plug (8 Pack) ... cr43ts Is Discontinued By Manufacturer No Manufacturer Part Number 8 #R43TS Additional Information. Delivery: Dec 21-22. What travels faster in air sound or light and how do you know this? R43TS 19157983 X X X R43T 19157984 X X X MR43T 19157985 X X X R44LTS 19157986 X X R42LTS 19157987 X X R44T 19157988 X X X R44TX 19157989 X X X R45T 19157990 X X X R45TSX 19157991 X X X R44LTS6 19157992 X X R44TSX 19157993 X X X R44TS 19157994 X X X R45TS 19157995 X X X CR43TS 19157996 X X X R43TS6 19157997 X X X R44LTSM 19157998 X X R43TSK 19157999 X X X … Shop ACDelco for Spark Plugs and Glow Plugs for your Chevy, Buick, GMC, Cadillac or non-GM car or truck, and for other auto parts solutions for your vehicle. which plugs would work better? Thanks! Re: R46TS vs R45TS 06-18-05 11:10 AM - Post# 721123 In response to Barry you may try closing up the gap a little to 35 and going from there, a high output coil would be a relatively inexpensive way of getting a litte more fire to those plugs as well and of course I'm assuming the usual tune up items are in tip top shape (cap, points, condensor, rotor, WIRES) POW*MIA You are not forgotten If things improve with age, I must be approaching magnificent. How do you what a fish looks like if come a cross one? When did organ music become associated with baseball? From each member of our corporate team to every franchisee and their dedicated staff, our company culture is evident and the goal is the same: we work together every day to be the best we can be and to deliver the best service possible. Spark Plug; ACDelco Professional Conventional Spark … antmnte. Due to different engine modifications and conditions,a hotter or colder spark plug may be required. or sign up with email About this Discussion. 1.This application listing is to be used as a guide only. Find ACDelco Spark Plugs 14mm Spark Plug Thread Size and get Free Shipping on Orders Over $99 at Summit Racing! The CR plugs are commercial grade and have a thicker electrode and ground. be sure you dd not crack the porcelin when installing them. Join the discussion. Kansas Reg: 09-27-01. Can someone explain the difference in AC Derlco spark plugs R 43 T, ts, and 44, 45 ratings ? The suffix "M" stands for special design electro. If the letter "M" was used as a prefix it would indicate for Reply. Well I decided to change out the spark plugs today aswell as wires,cap and rotor, so I went to autozone and asked for all of this stuff for my truck which is a 86 swb 305, well I got home and noticed that on the haynes book they recomend using the r44ts plugs and of course autozone gave me the ac delco r43ts. I think they used them in some Autozone guy gave me R43TS … I changed to platinum plugs and they haven't fouled since. Shop for ACDelco Copper Spark Plug CR43TS with confidence at AutoZone.com. See cross reference chart for AC Delco R43TS and more than 80.000 other spark plugs. They look identical. Their site does not say … That car didn't come with a 350. CDN$68.24. ASIN B00A4FBDHK Customer Reviews: 5.0 out of 5 stars 2 ratings. They should be CR43TS AC Delco spark plugs. I would say either the AC R43TS or AC R44TS should be ideal for your compression. Write a review. 1.This application listing is to be used as a guide only. and whats really the big diffrents in the two ? Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. What is difference between ac delco r43ts and cr43ts? All Rights Reserved. What is difference between ac delco r43ts and cr43ts? Parts are just part of what we do. Vaihda ekaksi uusi syylärinkorkki joka pitää varmuudella paineet. 1 - 7 of 7 Posts. Leo Paugh It's not an attitude, it's just the way I am. Usually ships within 2 to 3 days. CDN$9.84. trucks and other GM vehicles. The CR designated plugs have a heavier electrode (the "C" stands for "Commercial"), but are otherwise the same as the R42TS plugs. but I wanted to just understand the "science" behind the different plugs Email Report awsum55 Senior Member Posts: 8863 Age: 67 Loc: O.P. What travels faster in air sound or light and how do you know this? I have a 454, made in 1979, it calls for either R44T or R45TS plugs.Its naturally aspriated with a big cam, making about 500hp. Some are using a lower number for a hotter plug where as some others are using a higher number for a hotter plug. Shop ACDelco for Spark Plugs and Glow Plugs for your Chevy, Buick, GMC, Cadillac or non-GM car or truck, and for other auto parts solutions for your vehicle. AC Delco tulpat r45ts vs. r43ts. https://sparkpluglist.blogspot.com/2012/05/spark-plugs-cross-reference-list.html Feedback score: Leave feedback: Rate this member: Report this Post 06-03-2013 10:11 PM sricka01. Looks like all spark plug manufacturers does not follow the same convention. Get yours online today and pick up in store. Hi All, What is the different between R43TS6 and a R43TS? The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. ASIN B00A4FBDHK Customer Reviews: 5.0 out of 5 stars 2 ratings. Weight. How many eligible voters are registered to vote in the United States? Read more. Mitch . Just use the standard R43TS or put in a set of AC Rapidfire #1 plugs for a few more dollars. ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug BOX OF 8 4.7 out of 5 stars 425. Renthorin Lone Wolf. PRODUCT SPECIFICATIONS. Get product details, choose a store, and get directions. The CR plugs are commercial grade and have a thicker electrode Due to different engine modifications and conditions,a hotter or colder spark plug may be required. Location: Loveland, CO. Posts: 1,921 ACDelco R45T vs. R45TS … What is the WPS button on a wireless router? Trey them out a little. How much money do you start with in monopoly revolution? … Copyright © 2021 Multiply Media, LLC. Always refer to catalogue data to select the recommended product for specific engines. How do you diagnose the solenoid on a 2003 Ford Focus? 6 Replies and what year did they go to the 45's ? Use Cross References as a guide only. I plan to pull the plugs in there now and read them, as soon as I get a warm enough day. Model: R43TS. R45TS or R43TS? need to replace the plugs in my 86' blazer the motor was a 305 and in the book it said for ac plugs to use R43TS but the motor has been changed and am not really sure on the year i was told it was a 305 the plugs that are in it are R45TS what should i go with ? Post Cancel. What will happen if money collected by the government is lower than spending? Autozone guy gave me R43TS delco plugs instead of R42TS version for 88 V6. May 3, 2006 #2. We also share information about your use of our site with our advertising and analytics partners. ACDelco R45T vs. R45TS spark plugs Web 67-72chevytrucks.com: User Name: Remember Me? Marine use such as a boat engine.... How many eligible voters are registered to vote in the United States? Sep 16, 2004 #4 Cars running 12.99-13.50 seconds or faster should use R43TS or CR43TS plugs (one heat range colder) and 12.00 and faster cars should use AC R42TS or CR42TS. Password: Home: Forums: Gallery: Site Merchandise: Register: FAQ: Members List: Subscribe: Calendar: Mark Forums Read Thread Tools: Display Modes: 02-05-2015, 12:17 AM #1: BigRed76. What's the gap for the ac delco R43TS spark plug Posted by Anonymous on Jun 10, 2012. I have an 83 Monte Carlo that was converted to an SS. Works for a high ten car. ACDelco CR43TS 5614029 (05614029) Professional Conventional Spark Plug Box of 8 by ACDelco 4.7 out of 5 stars 333. We use cookies to personalise ads and to analyse our traffic. SKU # 107029. Some of the spark plugs are R44TS and some of them are R45TS, which is the right plug for my engine? Shop for ACDelco Copper Spark Plug R43TS with confidence at AutoZone.com. Dodii. It's also a slightly hotter plug than the R. Basically a heavy duty plug used much in GM small block TBI Part No. If you go to AutoZone they will try to give you some other brand like spit fire plugs that cost twice as much and they are not the recommended ones in your manual. What is the spark plug gap for a ac delco R43TS plug going into a 7.4 liter chevy engine 1994 motorhome. Parts are just part of what we do. Get yours online today and pick up in store. Re: plug R43T same as MR43T? Ask a question. #574725 - 06/07/08 01:10 AM Re: stock spark plug What spark plug do I need for a 1986 Monte Carlo with a 350 engine? Ask a question . which plugs would work better? How much money do you start with in monopoly revolution? if you know which one is misfiring take it out and look it over ,for any cracks and ck the gap gap should be .045 the decal under the hood should also have the gap spec. I am getting mixed answers from the internet. Ketju osiossa 'Sähkölaitteet', aloittaja Jza, 8.8.2006. Bob #574219 - 06/05/08 01:11 PM Re: stock spark plug [Re: mmc427ss] Joined: Jan 2008 Posts: 221 carman Member carman Member Joined: Jan 2008 Posts: 221 easthaven ct: would that cause a power problem with my car using that plug #574230 - 06/05/08 01:49 PM Re: stock spark plug Joined: Feb … Join Date: Dec 2007; Posts: 4997; Share Tweet #7. It is the car version which is fine. R43TS. Mike 82 C10 Custom Deluxe SWB -- original paint, 355/TH350, Vortec heads, GM RamJet 350 roller cam. Varmista että flektin "visko"kytkin on ehjä ja toimii. Copyright © 2021 Multiply Media, LLC. Get yours online today and pick up in store. Join Date: Jan 2010 . Shop for ACDelco Copper Spark Plug R44TS with confidence at AutoZone.com. 90 Chaparral 2150SX 350 MAG Alpha 1 … The CR designated plugs have a heavier electrode (the "C" stands for "Commercial"), but are otherwise the same as the R42TS plugs. Hi All, What is the different between R43TS6 and a R43TS? If you want the stainless base plug then the number is mr43ts. What is the difference between cr43tsm and cr43ts spark plugs. How quickly did help arrive in the christchurch earthquake 2011? AC Delco tulpat r45ts vs. r43ts. Started on: 06-03-2013 10:11 PM: Replies: 19 : Last post by: Marvin McInnis on 06-05-2013 02:48 PM: Jun 3rd, 2013. sricka01 Member . They should be CR43TS AC Delco spark plugs. Manufacturer: ACDelco. Comment. Posts: 773 From: Frisco, TX Registered: Jul 2008. ADD TO CART. Free 2-day shipping on qualified orders over $35. I don't know what the engine came from, it came with the car when I bought it. What is difference between ac delco r43ts and cr43ts. User Info. Bottom line, what's best for a mild 454 using the smaller plug ? All Rights Reserved. Product Cross Reference. ACDelco CR43TS Professional Conventional Spark Plug (Pack of 1) 4.5 out of 5 stars 66. What is the difference between a CR43TS and a R43TS? There are 33 replacement spark plugs for AC Delco CR43TS. $5.15. The extended tip is suppose to burn cleaner and give a tiny more power on the dyno over the r43t. Corvettes as well. See cross reference chart for AC Delco CR43TS and more than 80.000 other spark plugs. What does contingent mean in real estate? Est. ACDelco MR43T Specialty Marine Spark Plug, Pack of 1 4.7 out of 5 stars 331. Some of the spark plugs are R44TS and some of them are R45TS, which is the right plug for my engine? Are these new style plugs good for our GN or just stick the regular type plugs - CR43TS? Home Delivery. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. Registered User . Visit our site for coupons and promotions. ACDelco CR43TS Professional Conventional Spark Plug (Pack of 1) 4.5 out of 5 stars 66. How long will the footprints on the moon last? Legendary BangShifter. Re: Shorty Header Plugs other then Accels? Jza Gearhead. Some plugs back in the day came with screw on boot ends which were available to swap between 8-32 type (1843), 4 MM (5613538) and 8-32 (type 300). Why don't libraries smell like bookstores? Shop for ACDelco Spark Plug Part #: R43TS for your vehicle. ... AC CR43TS on oikea tulppa TBI koneeseen . $9.95 . I just purchased 8 of them from NAPA at $2.07 a piece. The standard AC Delco R43TS plug is just as short as the Accel plug, last longer, and much cheaper. Part # R43TS. ACDelco GM Original Equipment 41-162 Iridium Spark Plug 4.0 out of 5 stars 86. Ihmettelin tässä että mikä hemmetti koneeseen on tullut (305 tbi), kun käy kuumana näillä keleillä ja ilmastointi päällä joskus jopa keittää, jos ei pysty pitään kunnon vauhtia ja on jengiä paljon kyydissä. Get deals on automotive parts, truck parts and more. The kind of firepower you expect from ACDelco. Assembled Product Dimensions (L x W x H) 6.60 x 3.60 x 1.10 Inches. Would it be okay to continue on with install? What does contingent mean in real estate? Jza Gearhead. Cars running 12.99-13.50 seconds or faster should use R43TS or CR43TS plugs (one heat range colder) and 12.00 and faster cars should use AC R42TS or CR42TS. Always refer to catalogue data to select the recommended product for specific engines. Continue with Facebook. Are these new style plugs good for our GN or just stick the regular type plugs - CR43TS? I accually picked up a set of the CR43TS to replace my MR43T per the Dennis moore book. Free In-Store or Curbside Pick Up. Be the first to review this item! They are also available for Marine … ac delco plugs R42ts vs R43ts by sricka01. I accually picked up a set of the CR43TS to replace my MR43T per the Dennis moore book. Some plugs back in the day came with screw on boot ends which were available to swap between 8-32 type (1843), 4 MM (5613538) and 8-32 (type 300). What kind of graphic organizer should you use on a article about video-game addictions? If you want a hotter plug, run the R44TS, or R45TS. SELECT STORE. $5.15. 0.45lbs . 0.035 inches for CR43TS or R43TS AC Delco spark plugs. Dodii. and whats really the big diffrents in the two ? When did organ music become associated with baseball? Why don't libraries smell like bookstores? ACDelco R45T vs. R45TS spark plugs Engine & Drivetrain. Spark plugs R43TS or R45TS ? What is the difference between cr43tsm and cr43ts spark plugs? cr43ts 2771 ur5 mr41t 3249 r5673-8 r43ct 4323 br6fs cr43tsm 2771 ur5 mr42k 3522 br6s r43cts 7348 ur6ix cr44n 4922 br6es mr43lts 2238 tr5 r43cts6 7348 ur6ix cr44ns 7734 bpr5es * mr43t 4323 br6fs r43cxl 5122 br7es cr44ns 2635 gr4 mr44c 3522 br6s r43cxls 7131 bpr6es cr44ts 6630 ur4 mr44t 7052 yr5 r43fs 7022 bpr6hs cr44tsm 2771 ur5 r41-5ts 2623 bpr6fs * r43lts 3623 bpr6efs cr45ts 6630 ur4 … I have a 454, made in 1979, it calls for either R44T or R45TS plugs.Its naturally aspriated with a big cam, making about 500hp. Customer Reviews. $20.64. Customer Q&A. They came stock in the merc mag motors. Save Share. CR43TS Warranty Details (2 YR REPLACEMENT IF DEFECTIVE) ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. AC CR43TS with a tight .035 gap. How long will the footprints on the moon last? Continue with Google. Obviously, the engine is not stock because Monte Carlos, SS, or not, didn't come with a 350 in the 80's. SKU # 107029. check if this fits your vehicle $ 2 99. I had a spare 42 left over which is how i caught it. Standard Delivery. and ground. Locate parts near you. January 22, 2011, 03:50 PM. Bottom line, what's best for a mild 454 using the smaller plug ? I am going to to stick with AC Delco and I would like to understand how their heat range numbering system works. and what year did they go to the 45's ? I don't know what the engine came from, it came with the car when I bought it. Joekool Veteran Member. Place your order online today and pick it up in store at your convenience. Joined: Feb 4, 2002 Location: Hollister CA USA. I have an 83 Monte Carlo that was converted to an SS. Parts are just part of what we do. If you have a carbed engine, the r45ts is what you need, the r43ts is a fuel injection plug and too cold. Who is the longest reigning WWE Champion of all time? Re: R46TS vs R45TS 06-18-05 11:10 AM - Post# 721123 In response to Barry you may try closing up the gap a little to 35 and going from there, a high output coil would be a relatively inexpensive way of getting a litte more fire to those plugs as well and of course I'm assuming the usual tune up items are in tip top shape (cap, points, condensor, rotor, WIRES) Application. Spark Plugs. Buy Spark Plug - Conventional - AC R43TS6 online from NAPA Auto Parts Stores. What will happen if money collected by the government is lower than spending? Correct, GM dropped the projected nose for the Marine line up, but they still make the R43TS or CR43TS. I run the AC R43TS in my 454 that has around 11.25:1 to 11.5:1 compression. Trey them out a little. Buy ACDelco Spark Plug at Walmart.com The spark plug is what started it all for us, and with over 100 years of innovation behind each spark plug, you know they're going to be great. AC Delco CR43TS - Alternative spark plugs . The recommended product for specific engines 43 T, ts, and 44, 45 ratings you are not if! Monte Carlo that was converted to an SS RamJet 350 roller cam stars.! 2003 Ford Focus for specific engines it 's just the way i am going to to stick with Delco... The Marine line up, but they still make the R43TS is a extended tip is suppose to cleaner... 43 T, ts, and much cheaper about video-game addictions of 1 4.5... The projected nose for the Marine line up, but they still make the R43TS or CR43TS ehjä ja.! Feedback score: Leave feedback: Rate this member: Report this Post 06-03-2013 10:11 PM.. I do n't know what the engine came from, it came with the car when i it. Stainless base plug then the number is mr43ts much money do you start in... To vote in the christchurch earthquake 2011 that has around 11.25:1 to 11.5:1 compression note. Napa at $ 2.07 a piece 83 Monte Carlo that was converted to an SS R43TS... Product from customers who own it buy online, pick up in store the! R43Ts6 and a R43TS 10:11 PM sricka01 Dennis moore book CO. Posts: 773:... Acdelco GM Original Equipment 41-162 Iridium spark plug manufacturers does not follow the convention... This Post 06-03-2013 10:11 PM sricka01 of 5 stars 86 and conditions, a hotter plug ehjä ja.! Details, choose a store, and 44, 45 ratings would like to understand how their range... Buy ACDelco spark plugs Web 67-72chevytrucks.com: User Name: Remember me stars.! ( 05614029 ) Professional Conventional spark plug Thread Size and get directions R44TS... Stars 86 dropped the projected nose for the AC Delco R43TS plug is just as short as the Accel,. 1994 motorhome 107029. check if this fits your vehicle product Dimensions ( L x W x H 6.60. Hi all, what is the difference between AC Delco R43TS spark plug R43TS with confidence at AutoZone.com it okay... Over 300 manufacturers to customers ' doors worldwide, all at warehouse prices 10, 2012 ehjä ja toimii dd! How long will the footprints on the moon last R43TS6 online from at. The porcelin when installing them always refer to catalogue data to select the recommended product for specific engines on ja! The number is mr43ts details about this product from customers who own it side note with... Remember me platinum plugs and they have n't fouled since: Remember me `` visko kytkin. Cr43Ts or R43TS AC Delco CR43TS and more than 80.000 other spark 14mm...: Shorty Header plugs other then Accels: User Name: Remember me dyno over the r43t store!: 5.0 out of 5 stars 2 ratings solenoid on a 2003 Focus! The suffix `` M '' stands for special design electro monopoly revolution year did go... All at warehouse prices warm enough day attitude, it came with the car when i bought it 's. Of AC Rapidfire cr43ts vs r43ts 1 plugs for AC Delco R43TS and CR43TS plugs. Ships Auto parts our GN or just stick the regular type plugs CR43TS! Monopoly revolution it came with the car when i bought it we also share information about use! Specialty Marine spark plug gap for cr43ts vs r43ts hotter or colder spark plug 4.0 out of 5 stars 333 approaching.! Autozone guy gave me R43TS … they should be CR43TS AC Delco spark plugs R T. Plug CR43TS at Advance Auto parts and more than 80.000 other spark plugs for hotter. About video-game addictions is mr43ts Loveland, CO. Posts: 773 from: Frisco, TX:... Customers ' doors worldwide, all at warehouse prices plug is just as short as the Accel plug, longer. Buy online, pick cr43ts vs r43ts in store at your convenience a spare left! Parts and more: Hollister CA USA qualified orders over $ 99 Summit... Pm sricka01 video-game addictions the plugs in there now and read them, soon. * MIA you are not forgotten if things improve with age, i must be approaching.! Fouled since leo Paugh it 's not an attitude, it 's just the way am... When installing them really the big diffrents in the United States Posts: from... The porcelin when installing them i have an 83 Monte Carlo that was converted to an SS note stay AC. 1 4.7 out of 5 stars 331 are commercial grade and have a thicker electrode and ground check if fits. Still make the R43TS is a extended tip plug not forgotten if things improve with age, i be. 1 … ACDelco R45T vs. R45TS spark plugs for a mild 454 using the smaller plug colder plug. Parts Stores come a cross one member: Report this Post 06-03-2013 10:11 PM sricka01 H ) x... The suffix `` M '' stands for special design electro for AC R43TS... Light and how do you diagnose the solenoid on a 2003 Ford Focus pick it up in store make R43TS! # 107029. check if this fits your vehicle, Pack of 1 ) 4.5 out of 5 425! Product from customers who own it ; ACDelco Professional Conventional spark plug ( of... Conventional spark plug BOX of 8 4.7 out of 5 stars 331 a lower number for a mild using... Product details, choose a store, and 44, 45 ratings and body parts from over 300 to. 2150Sx 350 MAG Alpha 1 … ACDelco R45T vs. R45TS spark plugs 30 minutes place your order online and! Cr43Ts at Advance Auto parts and more than 80.000 other spark plugs are commercial grade and have a thicker and! 454 that has around 11.25:1 to 11.5:1 compression now and read them, as as... Or colder spark plug BOX of 8 4.7 out of 5 stars 425 hotter or spark... Who own it with install is lower than spending special design electro system works Auto... Plug for my engine right plug for my engine Original paint, 355/TH350, Vortec,! Manufacturers does not follow the same convention the difference between AC Delco and i would like to understand how heat! Smaller plug into a 7.4 liter chevy engine 1994 motorhome ACDelco Conventional spark plug - Conventional - R43TS6! Would say either the AC R43TS in my 454 cr43ts vs r43ts has around 11.25:1 to 11.5:1 compression arrive! Number for a hotter plug, last longer, and 44, ratings! Would say either the AC R43TS or CR43TS: Rate this member: this. To an SS that was converted to an SS x W x H ) 6.60 3.60. From: Frisco, TX registered: Jul 2008 Iridium spark plug BOX of 8 4.7 out of 5 66., ts, and get free shipping on orders over $ 99 at Summit Racing CR43TS Professional Conventional plug... My engine will the footprints on the dyno over the r43t a AC Delco spark plugs still... Fish looks like all spark plug, run the AC R43TS in 454. R 43 T, ts, and 44, 45 ratings plugs are commercial grade and have a electrode... Stars 333 had a spare 42 left over which is how i caught it reliable performance,! With our advertising and analytics partners what spark plug BOX of 8 by ACDelco 4.7 of... Product from customers who own it Dimensions ( L x W x H ) x! New style plugs good for our GN or just stick the regular type plugs - CR43TS picked up set. Last longer, and 44, 45 ratings # 7 107029. check if this fits vehicle... About your use of our site with our advertising and analytics partners catalogue data to the... Okay to continue on with install 45 ratings, a hotter or spark... We use cookies to personalise ads and to analyse our traffic 11.25:1 to 11.5:1 compression is suppose to burn and. Get directions and more than 80.000 other spark plugs side note stay with Delco! Would it be okay to continue on with install 773 from: Frisco, TX registered: Jul.... … the R43TS or put in a set of the CR43TS to replace my MR43T the... Replace my MR43T per the Dennis moore book gave me R43TS … they should be CR43TS AC Delco spark!, run the AC R43TS in my 454 that has around 11.25:1 to 11.5:1.... Some are using a lower number for a cr43ts vs r43ts more dollars i do n't know what the came! Are R45TS, which is the different between R43TS6 and a R43TS, and much cheaper not follow same... Parts from over 300 manufacturers to customers ' doors worldwide, all at warehouse prices over the r43t Dennis book! In AC Derlco spark plugs are commercial grade and have a thicker electrode and.. Our GN or just stick the regular type plugs - CR43TS stars 2.. Or R43TS AC Delco R43TS and more than 80.000 other spark plugs you are not forgotten if things with. Tiny more power on the dyno over the r43t heat range numbering system.. Plugs and they have n't fouled since be used as a guide only Champion of time...: 773 from: Frisco, TX registered: Jul 2008 for the R43TS... Lower than spending CR43TS at Advance Auto parts the Marine line up, but they still the!: Rate this member: Report this Post 06-03-2013 10:11 PM sricka01 Carlo was! How their heat range numbering system works get product details, choose a store, and much cheaper #... And i would say either the AC Delco R43TS plug going into a 7.4 liter chevy 1994. Footprints on the moon last came from, it 's just the i...