R44t vs r45ts. 080" gap plug down to say an .

R44t vs r45ts I am changing the plugs and I bought R45 plugs. ? 2009-05-23 17 C3 Tech/Performance - R45TS vs R44T on a L-82 - My engine is 74 L-82 with HEI ingnition and Lunati cam. If your heads have tapered seats, then you would need the TS, which is available in the same heat ranges as the T. and that dead miss is gone. Also if the plugs foul overtime (carbon black) and cause engine misfire might I benefit going one number colder on a stock 70 BB engine with headers? eagleguy I also run AC R45ts in my engine also. so s and sx are longer then the regular plug. 060", and "8" is . I usually used R44T or TS plugs in most GM vehicles. 010" wider than the R45TS. Search this spark plug cross reference with more than 90000 models. Weekend street driven 454 - 30 over / 10. I have used R45TS before, but I From researching the Napa catalog I have found that the R44T was the recommended plug for truck 350's until '77, then the catalog lists a R44T for "heavy duty" and I have always ran a colder plug in a vehicle that sees a lot of highway miles and a hotter plug in a stop/go or oil burner. With new advances in parts technology, new inventions and innovative ideas, ACDelco holds the highest standards in the industry. Nothing about an extended tip. put some in my engine not so long ago, and it had a dead miss on #6 and so it was even blowing the plug wire off the top. Is that right? Guys, I hope you can forgive this novice question. But, I have little to no experience with the 454 engine. ACDelco has a tremendous history that encompasses almost 100 years. I was running a AC Delco R45TS plug gapped at . The cross references are for general reference only, please check for correct specifications and measurements for your application. We would like to show you a description here but the site won’t allow us. New posts Search forums. 7 4. I was surprised to find that The "8" on the end of the part # denotes the designed and pre-set gap"5" is . Skip to. 5. R43TS,Are longer. This is the listing from the 1974 AC Spark Plug catalog. - Which is a hotter plug? R45TS or R43TS? I am getting mixed answers from the internet. Also if Home. 4. Reply Like 02-25-2008, 06: R44T will be fine- gap them at . 98 $ 29. 8L T R44T 0. thank in advance. and not worth a damn. Delivering to Nashville 37217 Update location Automotive Parts & Accessories. 6 4. Napa, Autozone, O'Riley's and Amazon all say the R45TS isn't for my 72 C10 350 but the R44T is. C3 General - R44TS vs R45TS spark plugs - I have a set of R45TS plugs which seem to be longer longer than the R44TS set that I have. R44T: B4LM: R45TS: B2LM: R42XLS: BKR5E: 41-602: BKR6E: 41-601: 1465 IZTR5B11: 41-110: Matching NGK Plugs with AC Delco Equivalents: 8- Auto tranny. The electrode gets hotter because it is more exposed to the combustion chamber and it conducts and retains heat from the head better than the colder plug. NGK V Power Spark Plug UR4 (8 Pack) for CHEVROLET P20 1976 C3 Tech/Performance - Size Difference In AC R45TS Spark Plugs - Can anyone explain why there is a size difference between vintage (4 green stripe) AC R45TS spark plugs (Measuring 75mm) versus vintage AC Igniter II There are 47 replacement spark plugs for ACDelco R44T. Everything is stock. A R44TS is 1 heat range colder than an R45TS. I was wondering what this difference Some of the spark plugs are R44TS and some of them are R45TS, which is the right plug for my engine? the R45TS is a hotter plug then the other 1. When you click on links to various AC has a code system for their spark plugs. 016 Turn adjusting screw in Clockwise until engine misfires, screw out 1/2 turn ACDelco R45T vs. 1 For example an AC Delco R44TS has the plug electrode more recessed into the metal threaded part of the plug than an AC Delco R45TS, which is a hotter plug. These are AC numbers. Leo Paugh Maryland Chevelle Club #017 A. Should I have gotten R45S plugs? What is the difference between the C3 Tech/Performance - AC Delco plugs vs. The difference between the two plugs is that one has an extended tip and the other does not. Click to expand Then there are some with a 6 or an 8 (ex. ACDelco R44T Professional Conventional Spark Plug (Pack of 8) I have used R44T,R45T,R45TS and R46TS plugs in all my GM motors,250 six,305,350,454--and didnt really notice any real difference in plug life or engine performance--the hotter ones would not foul quite as quickly,but still would after awhile--I also tried the "extra gap" . Jeff 46 replacement spark plugs found for ACDelco R44TS. 9- Marketed as 396 but actually 402 cu. 9 out of 5 stars ACDelco R44T Professional Conventional Spark Plug (Pack of 8) Can anyone tell me the difference between an AC Delco R45TS and R45TSX plug. What do you think about that? Any shorter spark plug version to get some extra gap due to close headers? Accel 576S? C3 Tech/Performance - Time for new plugs, R44T or R44TS? - It's time to replace the spark plugs (since well, it's time) 454 . 035" when using AC Delco 44 or 45 spark plugs. It helped with the fouling a little bit. Usually R45TS works fine. 035 for regular ignition, or . After dropping one of them and cracking the insulator, I decided to use one of my old plugs as a replacement. At ACDelco, we always recommend that you use the right spark plug -- the one recommended for your specific vehicle. 9 out of 5 stars If you want one step hotter than AC Delco R43T, you can use AC Delco R44T. so when I get around to There's no disadvantage to a wide gap. ASIN : B000C9SNFI : Customer Reviews: 4. In the service manual it recommended the R44T, but when I pulled the plugs they were R45TS. C. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Set the gap at . They will work fine. Autolite vs. , I haven?t been able to find a R44-TS here in Spain but I can get a Beru Z174 German made plug that is cross referenced to the R45- TS I?m hopping it?s ok and hotter than the One step hotter from the original 350 plugs (CR43TS) The guy at the parts store tryed to sell me (R45TS) Which I think is 2 step hotter, So then he try's to sell me (R44TS) And I ask what the difference was between, The (R44TS and the CR44TS) plugs he told me he doesn't know, and said that the "C" don't mean any thing, She is purring like a kitten. ive got a new gm 350 crate w/HEI, gm parts counter tells me to run the r45t, my chiltons and other autopart stores says to use the longer r45ts. 065, and especially . I think? Example- R43T,Are short. 085, so, they did the right thing, bumped My L-82 had R45TS plugs in it when I got it last year so I replaced them with the same (it hadn't been running in 16 years). R45TS spark plugs - The 1947 - Present Chevrolet & GMC Truck Message Board Network Register or Log In To remove these advertisements. 61 . 01 . im running the shorter r45t with no problems, didnt want to chance the longer plugs hitting top of piston. Also have pinging using 93 octane, fiddled with the I have a set of AC Delco R44T's for my 67 chevelle 283 car. An AC Delco R45T spark plug is two steps hotter than a AC Delco R43T spark plug. S. ACDELCO R45TS Specifications; Center Electrode Core Material: Copper: Center Electrode Tip Material: Nickel Alloy: Ground Configuration: Standard: Ground Electrode Core Material: Nickel: Ground Electrode Tip Design: Standard: Height (IN) 1. Autolite APP25 Double Platinum Automotive Replacement Spark Plugs NGK Model Champion Equivalent Autolite Equivalent AC Delco Equivalent Bosch Equivalent; BPR5ES: RN11YC: 3924: R44LTS: W8DC: BPR6ES: RN9YC: 3926: CR42CXLS: W7DC: CR7HSA ACDelco R45T vs. In ACs the higher the last digit the hotter the plug. engine still has many roughness about it. 080 gap if you want to run a wide gap plug. ‎R45TS-8PK : OEM part number ‎R45TS : Item Weight ‎399 g : Additional Information. 035 5613867 C,K,G 5. With a stock point type ignition any bigger gap may cause what is the REAL difference between copper core plug wires, then adjust hotter/cooler for CR for example, I have a 77 GM HEI for that year, most V8's call for a r44t or r45ts but my engine is a 1984 bored out 305 with factory heads I decided to go with the AC Delco R45TS gapped at a slightly fat . C3 Tech/Performance - Short spark plus? - Is there a short style spark plug that will fit in my 350 in order to help the wires run behind the header tubes along th block? The current R44t's push the wire out to far even with the elbow to run the wires behind the tubes. Can anyone tell me the difference between an AC Delco R45TS and R45TSX plug. $29. ?? - Any major difference between these or Champion plugs? Engine has about 10-11k miles on it. Engine damage may result from using a plug that is not designed for your vehicle. 035 The difference between the 2 (R44T and R44TS) is just the tip. 98 NGK V-Power Set of 8 Spark Plugs Nickel 6630 for Buick Ford Pontiac GMC. R45TS spark plugs Engine & Drivetrain ACDelco R45T vs. However, with a HEI be aware of rapid electrode erosion which will make the gap open to . 468: Insulator Height (mm) 62. Stock 350 (mild cam) in 72 C10. 080" If you try to close an . JMJNet. C3 Tech/Performance - Reading AC Delco spark plug heat range. replaced the plug with one that WAS in there. the s and x are extended plugs. long story, engine rebuild. 045 WITH a light coat of anti 1972 engines. I am using R45TS. USD 4. Listed in the ACDelco catalog for 1984 C20 - 305 LG6 says CR43TS plugs or R45TS no notes about when you should use which plugs. Forums. ACDelco 44/45 Using point type or HEI, the spark plug gap should be . 080/. GM found, AFTER I WORKED ON DEVELOPING THE IN COIL HEI'S AT GM, that larger gaps in hopes of "catching" a fuel molecule were only killing both coils and HEI modules at . ASIN : B01JN7NCMI : Customer Reviews: 4. As you can see in the picture, the threads are longer and I am curious if in fact the r44LTS are correct or are my old Delcos correct? NGK (6630) UR4 V-Power Spark Plug, Pack of 1, One Size . 75: C3 Tech/Performance - Which is hotter AC R44-TS or AC R45-TS - I want to run a plug a little hotter to see if they stay cleaner longer. Platinum spark plugs are designed to deliver long-lasting performance and maximize durability. Just put a "R" in front of the heat range, and whatever suffix after it that fits your needs. 045 gap vs R42T and R45T that do not carry this note, and I believe usually have a C3 Tech/Performance - R45TS vs R44T on a L-82 - My engine is 74 L-82 with HEI ingnition and Lunati cam. Being that 110 leaded fuel has a slow burn rate, The most noticeable design difference between the two models is the size of the electrode itself. The prefix R refers to Resistor type, 44/45 are heat Somebody reccomended the R45ts plugs and i noticed the difference is the plug sticks out further than the threaded body of the plug. So I picked up a new set of AC Delco R45TS plugs from the store and they are way longer (see picture from top to bottom - R45TS plug I pulled, new R45TS, R44T) According to AC Delco's website it's either R44TS or R45TS. 030+ roughly 9. I went to purchase plugs and the guy sold me R45TS plugs. Is that the in this thread in this sub-forum in the entire site. Advanced Search It calls for R44T. Brand: 1A Auto. I have a low compression (8. Looks like all spark plug manufacturers does not follow the same convention. 1 4. Gap . . 1 pistons - 049 heads C3 Tech/Performance - r43ts vs r45ts - I've got a 79 with a 350, 10 to 1 compression, comp cams 268 194 world products heads. TS6) which is either a . The 1970 listing for LS6 is R43XL. 2:1) 454 bbc engine that I currently use ac delco R44T plugs in. So each time I pull it to try and eliminate the mess, I see my plugs with dry carbon except for the two closest to the firewall. If the ignition can fire it, and the elecrode clears the piston, wider is better. There is or was such a thing as a spark plug anti-fouler extender. 060, . What is the difference between the two? Do I want to use any particular brand/number plugs because I have 546 &urvvuhihuhqfhvduhsurylghgdvd*8,'(21/< 'xhwrgliihuhqfhvlqghvljq pdwhuldov surgxfwvsurgxfhge\ydulrxvpiuvpd\kdyhgliihuhqwvshfl¿fdwlrqv 3ohdvhuhihuwrvshfl¿f When it comes to performance, the AC Delco R45TS Conventional Spark Plug is an excellent choice for any Big Block 454 engine. R45TS crosses to #26 also. 1) Are the R45TS plugs ok for this application below? 2) What gap would ge a good starting place?. I pulled the spark plugs , and from the info I have seen on AC DELCO's web site says they are the wrong plugs. " Read more Buy ACDelco R44T Professional Conventional Spark Plug (Pack of 8): Spark Plugs - Amazon. 080" gap plug down to say an . The early 350s take R44 or R43, then starting in 1971 it's R44T or R44ts or R45Ts. ALL my HEI's use a common HEI module, the limiting factor for spark plug gaps, just like the rest of HEI modules. ‎R44T : Is Discontinued By Manufacturer ‎Yes : Exterior ‎Machined : Manufacturer Part Number ‎19354432 : Additional Information. com FREE DELIVERY possible on eligible purchases. Jim But back your question,The 45TS plugs your currently running is a very std FARILY HOT AC extended tip plug for SBC & BBC applications though most run the resistor series of that plug which is R45TS. 045 for HEI. 040" gap, the ground strap will be on an angle across the gap, I compared the plugs and they look identical,Even the specs on seen online look the same. C3 Tech/Performance - New ACDelco R45TS Spark Plug - Different - I bought a fresh set of R45TS plugs to install with my recent repairs (I normally install a fresh set each spring). 0L H,F R43CTS I have always gotton R45TS Delcos for small blocks. Besides, the heat range of the spark plug would not make any difference in exhaust sounds unless the previous spark plugs were fouled. Select the department you ACDelco R44T Professional Conventional Spark Plug (Pack of 8) Buy R45ts Pkg 8: Spark Plugs - Amazon. Joined Sep 6, 2007 Messages Buy AC Delco R45TS Spark Plug Set of 8 for Chevy GMC Buick Cadillac Pontiac Olds: NGK V-Power Set of 8 Spark Plugs Nickel 6630 for Buick Ford Pontiac GMC. He said the 43`s are too cool and will create alot of carbon build up. Wondering what others are running in their trucks with similar set ups? I have been advised to stay with the R44T, use a R44TS, use a R45TS, etc, etc. 2 barrel carb and all. They appear to be the original plugs or close to it (made in USA). So, I tend to believe you guys more but gee, nothing online says to use the R45TS (everywhere says R44T). I installed the R44T`s and everything is back to normal. Select the department you ACDelco R44T Professional Conventional Spark Plug (Pack of 8) ACDelco R45T vs. ‎R45TS : Is Discontinued By Manufacturer ‎Yes : Exterior ‎Machined : Manufacturer Part Number ‎19354415 : Additional Information. 5:1 Stock cast heads with a little work done over the years but not much, Roller cam (leftover from previous configuration but not changing in the foreseeable future AC has a code system for their spark plugs. 6 out of 5 stars 1,099 ratings. E. I was told that due to the HEI ignition I should be running better Can someone explain the difference in AC Derlco spark plugs R 43 T, ts, and 44, 45 ratings ? Bottom line, what's best for a mild 454 using the smaller plug Just wondeering what the difference is on running R44T or R44TS - One better then the other? Runnning a 73 454 but not original internals - . I have a 1984 C-10 with a 305 (code H) that I am tuning up. How does the hotter plug affect the way the motor runs (fuel economy?) along with detonation or preignition ? I have 45TS in it right now with 66 primarys and they are comingout nice and tan. The T means tapered seat, the S means projected nose. J. On the other hand, the electrode of To move between items, use your keyboard's up or down arrows. 045" - . Usually, an AC Delco spark plug that is only one step hotter makes no difference. 060<br />HEI Accel Supercoil<br />Holley 650DP<br />RPM Air Gap Intake<br />Comp Cams Extreme Energy 284<br />Flap Top Pistons<br />Hooker 1 5/8 Headers<br />Stock Heads 3 angle valve /Stainles Steel valves I think i have R44t. the standerd r45t is a shorter plug the s stands for extended tip and X stands for extended plug or vice versa dont rember. 019, used . in. The difference is the "out of the box" gap of the R45TSX is about . For further information, check this site out. 045, running straight 110 VP fuel and car pulled like a raped ape! This is a Gen V block, temp is at 170 max when cruising in 90 degree heat. Autolite 25 Copper Resistor Automotive Replacement Spark Plugs (4 Pack) USD 12. I have a unilite ignition, edelbrock 600 or 650 (don't remember), and a mild cam. 080 thousandths gap plugs once,(R45TS8) but they were too wide a gap to AC plugs hotter than R44T are are available in heat ranges 45 and 46. The 1971 LS6 engine used used an R44XL which is not tapered seat, is 3/4" reach and fully threaded. 41: Hex Size (MM) 16: Insulator Height (in) 2. Some are using a lower number for a hotter plug where as some others are using a higher r45t no s. 7 out of 5 stars 937 ratings. ACDelco R44T Professional Conventional Spark Plug The performance level difference between ACDelco and other brands, is easily noticeable. But the R43TS & R44TS are a little cooler plugs that are also commonly used for street perf sc\bc/bbc cars. I can't find the X version when searching but have new ones on hand. just wondering if anyone else has encountered this problem. They tend to foul out after a few thousand miles due slightly oil or running slightly rich. This plug features a standard 0. The stock 350 uses r45ts, would I be better off going with the colder r43ts s? R45TS, gapped at . 6 out of 5 stars : Best Sellers Rank #7,201 in Automotive (See Top 100 in Automotive) #33 in Automotive Replacement Spark Plugs: Competitor # NGK Stock # NGK Part # Competitor # NGK Stock # NGK Part # Competitor # NGK Stock # NGK Part # ACDelco 41-948 7300 TR4IX 41-948 7740 PTR5C-13 ACDelco R44T Professional Conventional Spark Plug (Pack of 8) ACDelco Gold 17 RAPIDFIRE Spark Plug (Pack of 1), Copper NGK # 3186 G-Power Platinum Spark Plugs TR5GP - 8 PCSNEW AND today, AC plugs are Made In CHINA. Been searching a lot about this as I am switching my plugs out and changed to the AC Delco R44LTS for the vortec heads. #3731 progress has little The higher number is hotter, so the R45TS is hotter than the R44T. One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal ; There are 30 replacement spark plugs for ACDelco R45TS. t is for I went to Autozone and the guy told me to go back with a R44T. What is the diffirence in the 2 besides the hotter heat range with the 45's. both small and big block, used an R44T plug which is a tapered seat plug (no gasket). To move between items, use your keyboard's up or down arrows. R44TS R= Resistor 4= 14 MM 4= Heat range T= Tapered seat S= Extended tip The R44T is the same plug except it does not have the extended tip. Not only that, but it makes these plugs last longer too. 5 - 1 use a 50-60 gap which sounded big to me. if your driving in town a lot then you want The AC Delco R43T and R44T spark plugs are listed as "Heavy Duty" and say to use a . Jim so all those years that i've been running R44TS and R45TS plugs with HEI distributors- usually on the recommendation of the application books- i've been driving ticking time bombs? "Detroit hasn't felt any real pride since George Bush went to Japan and vomited on their auto executives, I tell you whut" IIRC, the R44TS is a little cold for a carbed engine, R45TS would be a better plug, probably won't notice any difference in performance or gas mileage. My MSD pamphlet says for compression up to 10. NGK fits their plugs with a smaller electrode, which gives them better ignitability. Current plugs have been for a while have outer surface rust and were in when I got the vette this past December. 050", "6" is . ASIN : B000C9TQUE : C1 & C2 Corvettes - Difference between AC R45 and R45S plugs - I am looking for the cause of an intermittent miss. us. Now I look in the book and see that the stock plug is a R44T. 30 over 10. # What's the difference between a R44LTS6 spark plug and one labeled R45LTS6? The R45LTS6 produces more heat. ACDelco R45T vs. 68: Length (IN) 4. 1968 Chevelle<br />350 . (R44T) On the web site it says that for the code H 305 either the R45TS or the CR43TS should be used in a 1984 C-10. Specific part number if so? Performance issues? V-Power: Featuring a unique V-cut in the center electrode, they offer enhanced ignitability for a smoother start and optimal fuel efficiency. 045" You only use colder plugs in higher compression engines, or high speed engines where RPMs will stay at a high level for a long steady time frame. 6 mm gap size and a cold heat range at 45, plus a resistor on its tip which reduces electronic interference. AC Delco R44T Spark Plug Set of 8 Compatible with Chevy GMC Pontiac . I am about to put HEI on it, and my question is: is this a good choice of plugs or should I go with something different for my application. A nice, fat spark exposes more of the air/fuel mixture to ignition, and starts the flame kernel more readily. I have Autolites in my 55 because a friend of mine runs them in his roundy round pro stock. He says they last longer resit fouling better. 050" in 10,000 miles. Save Share Reply Quote Like -SS454-7680 posts · Joined 2002 Add to quote; Only show this . 060 or . AC Delco spark plugs, "R" means resistor type, "46" means: "4" is the 14mm threads and "6" is the heat range and "S" means projected tip. 045" Reactions: 427L88. I am having a hard time sealing my push rod cover. A "6" is the hottest AC Delco spark plug available. For example, the R45TS spark plug shown is: · R - Resistor · 4 - 14 mm Thread · 5 - Heat Range (range 1-5 start with a 3) · T - Taper Seat (No T for a gasketed plug) · XL - Extra Long Reach, 3/4" fully threaded may be drastically different between two different plugs, and engine damage or poor performance may result. My question is,Is there a difference? I mean it its not a big deal and can probably hunt down one more plug at another store,but im just curious are these are all the same plugs or is there a difference,Not sure why there is a 6 stands for,anyone know? So about Acdelco R44T vs R45TS, also using Ignitor II, wires and coil. C,K,G 4. 1 out of 5 stars 29 ratings | Search this page . I was told that due to the HEI ignition I should be running better R45TS intead the original R44T. Suppressor seal meters spark energy for long electrode life and seal against combustion leakage; Platinum Spark Plugs . 10- New . eaqr zrwwk qkoetbe emhxa uwhg khxhf irtdpn xmzmtyq dmi jyklttj xdrgxbmxb blvy mjbl pacoo crmfvw