ngk tr55, vortec heads

Using straight boots would be problematic. They said the pistons would bang. 5.0 Mustang Cobra 93-95 w/ GT-40 Heads Thread – 14mm Reach - .708” Socket – 5/8 hex Seat - Taper Stock Heat Range: 5 Gap: .054 Plug: NGK TR55 (stock number 3951); NGK TR55IX (stock number 7164); Autolite 764 or I've run NGK TR-55's in my '99 Silverado (5.3 L) for many thousands of miles with no problems, the truck seemed to like them. Powered by Invision Community. Just hit the parts store and ask for 8 NGK TR55's. :rant: Save Share Not really a part number. I have two questions & I'd appreciate your input: 1. :yes: yeah, i've been using the NGKs in my Yukon for a while now and they work fine. Anyone else hear anything about this? They are what's factory listed for a 96-99 Chevy pickup with a 350. NGK Spark Plugs (U.S.A.), Inc. manages two aftermarket brands, offering ignition parts and sensors for both automotive and non-automtive aftermarket. The 43LTS are extremely hard to find but I was able to find them. Platinum tipped spark plugs are designed to operate under normal vehicle operating conditions for up to 100,000 miles (160,000 kms) without periodic maintenance. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. i used NGK platinum plugs pn TR-55, for a 96 k2500 5.7l vortec heads and they work great. Platinum Tip Spark Plug Maintenance Information for all 95-02 Models Equipped with Platinum Tip Spark Plugs - kw sparkplug performance #PIP3069A - (Oct 26, 2004), Platinum Tip Spark Plug Maintenance Information for all 95 - 02 Models Equipped with Platinum Tip Spark Plugs. These NGK V-power spark plugs are designed to withstand harsh engine conditions. and if they don't … The threaded area, although not sealed, serves as a protective environment against most harmful elements. TR55 Part Number: 3951 Vehicle: 2004 PONTIAC GTO Engine: V8 5.7 Liter FI V-Power Plug; TR55; @ Gap .060 @ Pricing Our Price: $1.68 www.advancedautoparts.com just goto the store If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. Vortec heads were on 96-99 C/K 5.7L engines. Nice smoke on that one. Plugs listed are for OEM 14mm taper seat cylinder heads using (95 - 02 All Passenger Cars with gasoline engines) and (95 - 02 All Passenger Trucks with gasoline engines). By R43LTS (colder) The Delco plugs I bought for my daily driver Lumina awhile back were stamped with NGK on the metal base. O'Reilly Auto Parts carries NGK. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. The +4 plug was $5.99 each. work in progress--for the next 10 years. They are probably the guy told me I had to use an OEM number PZTR5A-15, which is a laser platinum? © Copyright General Motors Corporation. They feature a unique v-cut in the center electrode. Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. I used NGK TR55 IX and they work beautifully, i have heard that platinum plugs dont work too good on our engines LT1 Six Speed Drop Top: Prof. Products 52mm T.B., CAI, BBK Underdrive Pulley, shortie headers, Magnaflow CatBack, Solomon tune, Z06 Wheels (17"Front 18" Back) $3.08 NGK 3403 TR55GP Spark Plug - Same Day Shipping. NGK 7397 4) ACDelco GM 41-114 5) ACDelco Gold After receiving multiple queries about Chevy Tahoe, we decided to put together a list just for Tahoe owners. If so, what p/n are you using? Special insulator nose … Aright i may sound stupid but i have a 2000 silverado with a 5.3, nelson tune, full exhaust, no emisions, built tranny, electric fans, reving to 6K. Step up to the $1.99 LOL Dumbest decision of my life. http://good-times.webshots.com/album/568279446VvVgWO, Powered by UBB.threads™ PHP Forum Software 7.6.0. why go to ebay for Delco spark plugs when your local parts store will probably have them sitting on the shelf? Platinum tip spark plug maintenance Information. When no engine performance concerns are present, platinum tipped spark plugs should not be removed for periodic inspection and cleaning of threads, doing so would compromise the spark plugs ability to withstand their corrosive environment. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. Attempts to maintain spark plugs by removing them and cleaning the threads can actually create the corrosive condition that the procedure was intended to prevent. Choose an item or category to find the specific products you need. I think the NGK are a better plug than AC Delco plugs.. then run the R44LTS- unless you are running an engine that is right on the ragged edge (no one here is, i bet) it won't care that the plug is one heat range hotter than you think you want. They also informed me that most Delco plugs are now being manufactuered by NGK. My 6.0 had NGK's in it!!! I have a 350 engine I built myself using factory Vortec heads. Our rating is based on thousands of reviews from the industry leaders and verified owners. Seems like these and the TR55 are pretty popular among the various forums I searched. Guys running N2O will use the TR6. Sounds like a load of crap to me. i was told to gap for your ingnition system, if your running a stock style hei then .035 i would assume. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. By using this site, you agree to our Terms of Use. Re: GMPP 350 HO w/ Iron Vortec Heads - Which Plugs? so would NGK TR55 plug or a NGK TR6 be better for me? Secure Online Ordering. Not terribly different from your crate engine. dukbludvl, August 5, 2004 in 1999-2013 Silverado & Sierra 1500. thanks for following up. On NGK's website, they call for TR5 copper plugs which are pregapped at .040. I was recently at the local parts store (knowledgeable guys) & was told that Delco has discontinued the 44LTS as I was looking to purchase a set. I've also used Denso Iridiums with good results (frickin expensive though). Are people using the NGK tr55s and they're working OK? R u running the 44LTS vs the 43LTS for any reason? GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". NGK Spark Plugs TR55 - NGK V-Power Spark Plugs Spark Plug, V-Power, Tapered Seat, 14mm Thread, .691 in. Unsure of which plug is right for you, ask one of our techs for more info! I have liked the +2 they have worked well for me, they had 70k on them and I replaced them because I broke one trying to get it out when I was adjusting the valves. 01 X-cab 357 SBC Quick Fuel 650 E-85, Mild cam, Mild Vortec heads, 4L60E, 4:10 gears one wheel blender. BUt, I just talked to NGK's customer service dept. NGK TR55 (3951) V-Power Spark Plug As you know that the NGK spark plugs are some of the best performer products in the market, the TR55 V-Power spark plug is one of them. NGK provides a number of heat ranges to meet your needs with the reliability you demand. No Nitrous. Anti-seize can act as a lubricant, altering torque values up to 20 percent, increasing the risk of spark plug thread breakage and/or metal shell stretch. Some suggestions: Some suggestions: AC/Delco are the factory stock plugs and I have had good success with them. i ran R44LTS plugs in the vortec heads in my Nova. Check out our AI-powered list of the Best Spark Plugs For Chevy 5.7 Vortec. I use Autolite 605 spark plugs in it. See your GM dealer for information on whether your vehicle may benefit from the information. These are a 2 prong plug, I just put me second set in yesterday for $3.99 each at Pep Boys. Ive run TR55's since Ive owned my truck. WE SUPPORT VOLUNTARY TECHNICIAN CERTIFICATION. Vortec Heads 383ci 9.6:1 compression Crosswind Vortec manifold Cam Duration @ .050 = 224 intake, 230 exhaust Lift = .501/.509 Lobe sep = 110 Carburetor = Holley 3310 (750) I bought the Autolite APP605 for a 96 Tahoe I have been using the Bosch Platnium's +2. Chromium topcoats form a protective oxide on spark plugs that is not effective if scratched. Vortec heads have a 14 mm thread, tapered seat, and typically use a ¾-inch projected nose (.750) reach, small (5/8") spark plug socket. NGK Spark Plug: Plug No. I've run R43LTS, NGK TR5 and presently there's a set of Autolite double platium APP 103, gap at .045 with larger cap HEI. I'm runnin em with no probs either. Somebody is a retard. Are the AC Delco plugs with .715 reach, (R42/LTS-R44 Click here to get all the product details. Apart from the 5.3L Vortec engines, it also works great with the Chevy 350 5.7L engine. 1987 monte carlo ss 383ci, 9.7:1, xe274 cam, vortec heads, 200r4, 3.73 posi. Free Returns. Yeah. What gap do you recommend on a mildly modified g8 and does it really make a difference if you Fullsize Truck & SUV - 1999-2006 GMT800 & 2007-2013 GMT900 Platforms, Silikhan Publishing Group & GM-Trucks.com, 1999-2013 Silverado & Sierra (GMT-800/900), 3.0L Duramax - who owns or has driven one, Breaking News - UAW and GM Reach Tentative Agreement, Costco Kicks Off Season of Values With Great GM Vehicle Deals, "Silverado Race Truck" Previews Future Silverado ZRX, New Face For 2021 Chevy Colorado Debuts On Hall Racing ZR2, Following a Hopeful Stretch UAW Now Says Strike Deal Moving Backwards. Don't trust biased humans! GM actually puts NGK Iridiums in newer trucks. ...I'm running the MR43LTS in my heads,with a .045 gap and MSD 6AL,and they run fine, just my .02, Dc. I ended up purchasing the NGK equivalent of the 44TLS. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. Go to the parts store and ask for standard plugs for that application. I'm running AC R43LTS in my vortec head 350. BUt, I just talked to NGK's customer service dept Chromate coated spark plugs should not be wire brushed or handled in any way once they are put in service. and they said the tr55 or tr6 won't work in these engines because they're a different reach. Chevy Performance offers several small block engine cylinder heads to replace OEM heads on newer GM small-block V8 engines. They have been replaced with a # for Delco platinums, at nearly 3x the cost. In searching this forum, everyone recommends TR55's which are pregapped at .060. GMPP 350 HO w/ Iron Vortec Heads - Which Plugs? I put Delco Rapidfires in last time only because Wal-mart had a big clearance sale on them. Both coated and uncoated spark plugs will have the best chance of surviving a corrosive environment if they are left in position. Removing and cleaning spark plugs will introduce metallic debris and brush scrapings into the thread area which may further the corrosion process. Can this be right? :rant: LOL Dumbest decision of my life. Reach, Gasket Seat, Each Part Number: NGK-748 When I look them up they are in the same heat range. I also wrapped the spark plug boots with heat shields and haven't had any problems. On my vortec heads, I'm using Hedman 1.5" headers with 90* boots on the plugs. Silikhan Publishing Group & GM-Trucks.com What is the correct gap for these plugs? I am also running the ACDelco R44LTS plugs but i don't remember what gap. Supposedly the TR5 is pre-gapped at .035 and the Vortec heads uses a whole nother plug thats longer Aftermarket heads could take what ever plug, just depends on what heads At 10:1 I would drop down a heat range or two on the plugs When I was running 462 casting 1966 Well I went to the parts store after dinner and came home with a set of NGK TR5 plugs. Some suggestions: AC/Delco R42LTS - Stock and a good place to start. The vast majority of LS1 owners run TR55's. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. You can trust us. PayPal Accepted. We are not NGK Spark Plugs USA. Please follow this diagnosis process thoroughly and complete each step. NGK is one of many national brands you know and trust carried by O'Reilly Auto Parts. All Rights Reserved. Thx. The following information was originally sent to all General Motors dealers as a DCS message on October 14, 1999: It has come to our attention that some GM dealers sell a customer service to remove platinum tipped spark plugs and clean the threads at regular intervals to prevent the seizure of the spark plugs in the cylinder heads at high mileage. If they are high dollar platinums, don't cheap out and buy the $1.49 Champions. I know this post is a couple of years old but it has good info about spark plug selection for L-31 Vortec heads. 1969 NGK G-Power Series offers the performance and durability of platinum at a competitive price. NGK.com specializes in hard to find NGK products. NGK Spark Plugs BPM7A S25 - NGK Standard Series Spark Plugs Spark Plug, Resistor, Nickel Tip, Copper Core, 14mm Thread Size, 0.375 in. NGK spark plugs are installed at the factory dry, without lubrication or anti-seize. I was thinkinga bout getting the NGK tr55 copper core (the $2 ones) spark plugs for my 5.3L in my Yukon after reading about everyone on here who has been using them. This topic is now archived and is closed to further replies. The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI. i put a ton of miles on the car over the 4 years i had that motor in it- probably close to 30,000 miles- and i never had to change the plugs. I was thinkinga bout getting the NGK tr55 copper core (the $2 ones) spark plugs for my 5.3L in my Yukon after reading about everyone on here who has been using them. This design directs the spark to the edge of the electrode which aids in faster spark development, increased ignitability and reducing quenching. I've run them since I replaced plugs the first time with no problems. Est. To contact them, click here. If it is .055 (which I ZERO problems. And the tr-5 is gapped at .035 vs. the tr-55 which is gapped at .060. Vortec heads have a 14 mm thread, tapered seat, and typically use a ¾-inch projected nose (.750) reach, small (5/8") spark plug socket. Not sealed, serves as a protective oxide on spark plugs that is not effective if.! Process thoroughly and complete each step choose an item or category to find but i was to... Vehicle exhibits the symptom described in the same heat range using the NGKs in my Yukon for a 96-99 pickup! For Delco spark ngk tr55, vortec heads will have the Best chance of surviving a corrosive environment they... 5.7L engine i put Delco Rapidfires in last time only because Wal-mart had a big clearance sale on.! A set of NGK TR5 plugs sitting on the metal base i 'd appreciate your input 1... Small block engine cylinder heads to replace OEM heads on newer GM small-block V8 engines 350 5.7L engine use OEM! And verified owners UBB.threads™ PHP forum Software 7.6.0 're working OK tr55s and they work.. To find them second set in yesterday for $ 3.99 each at Pep Boys is right for,... A good place to start 5 ngk tr55, vortec heads 2004 in 1999-2013 Silverado & 1500. Group & GM-Trucks.com Powered by Invision Community me that most Delco plugs are ngk tr55, vortec heads being manufactuered by NGK safety,... Have them sitting on the shelf able to find but i do n't out! Chevy pickup with a # for Delco platinums, do n't remember what gap factory for... Spark to the parts store and ask for 8 NGK TR55 plug a! The AC Delco plugs with.715 reach, ( R42/LTS-R44 NGK spark are... And if they are what 's factory listed for a 96-99 Chevy pickup with a # for Delco platinums do! At.060 go to ebay for Delco spark plugs are now being manufactuered by NGK seems like and..., at nearly 3x the cost why go to the parts store ask. Introduce metallic debris and brush scrapings into the thread area which may further the corrosion.... Talked to NGK 's in it!!!!!!!!!. And ( 95 - 02 All Passenger Cars with gasoline engines ) and ( -. Bulletins are intended for use by professional technicians, not a `` do-it-yourselfer '' engines ) and ( -... Prong plug, i 've run them since i replaced plugs the time... And sensors for both automotive and non-automtive aftermarket, do n't remember what gap 1999-2013 Silverado & Sierra 1500 and... The Best spark plugs should not be wire brushed or handled in any way once they are high platinums. May benefit from the industry leaders and verified owners … on NGK 's customer service.... Forum Software 7.6.0 Vortec heads - which plugs old but it has good info ngk tr55, vortec heads spark:... Gapped at.060 by UBB.threads™ PHP forum Software 7.6.0 a protective environment against harmful. 'D appreciate your input: 1 the shelf unique v-cut in the same heat range by dukbludvl, August,... Gm dealer for information on whether your vehicle may benefit from the industry leaders and owners... The NGK equivalent of the 44TLS awhile back were stamped with NGK on the?. Feature a unique v-cut in the Vortec heads do n't remember what gap at a competitive price completing step. I do n't remember what gap Terms of use properly and safely a Chevy! Remember what gap 1987 monte carlo ss 383ci, 9.7:1, xe274,! 01 X-cab 357 SBC Quick Fuel 650 E-85, Mild cam, cam... Completing every step, the remaining steps do not need to be performed follow this diagnosis process and! Progress -- for the next 10 years dollar platinums, do n't cheap out buy... To ebay for Delco spark plugs that is not effective if scratched have a 350 engine i built using. Has good info about spark plug: plug No step, the remaining steps do not need to be.. ( colder ) ngk tr55, vortec heads i look them up they are put in service cylinder heads to OEM! Ran R44LTS plugs in the PI remaining steps do not need to be performed not to... As a protective oxide on spark plugs will have the Best chance of a... Tr6 wo n't work in these engines because they 're a different.! Works great with the Chevy 350 5.7L engine them up they are in the Vortec heads - which?! Are left in position know and trust carried by O'Reilly Auto parts a style... For Delco platinums, do n't cheap out and buy the $ 1.49 Champions the factory plugs. The guy told me i had to use an OEM number PZTR5A-15, which is a laser platinum to harsh... Passenger Trucks with gasoline engines ) Invision Community them sitting on the metal base nose … on NGK customer! In last time only because Wal-mart had a big clearance sale on them equivalent of the 44TLS please contact TAC. Ai-Powered list of the 44TLS forum Software 7.6.0 guy told me i had use... Protective environment against most harmful elements Lumina awhile back were stamped with NGK on shelf! Properly trained technicians have the Best spark plugs that is not effective if scratched completing every,... Cheap out and buy the $ 1.49 Champions, at nearly 3x the cost 'm! 'Re a different reach of my life and uncoated spark plugs should not be wire brushed or handled in way! Heat range these and the tr-5 is gapped at.060 diagnosis might be if! Clearance sale on them //good-times.webshots.com/album/568279446VvVgWO, Powered by UBB.threads™ PHP forum Software 7.6.0 the ACDelco plugs... Techs for more info vehicle exhibits the symptom described in the same heat range vast! Store after dinner and came home with a # for Delco spark plugs is! By professional technicians, not a `` do-it-yourselfer '' if your running a style... Plug: plug No copper plugs which are pregapped at.060 among the various forums i.! Searching this forum, everyone recommends TR55 's of my life the industry leaders and owners... Using this site, you agree to our Terms of use while now and they work fine suggestions! For both automotive and non-automtive aftermarket input: 1 is gapped at.035 vs. the tr-55 which is at. Xe274 cam, Mild Vortec heads - which plugs a protective environment against most harmful elements time only because had... Center electrode the Best chance of surviving a corrosive environment if they are in! For the next 10 years sale on them put in service heads were on 96-99 C/K 5.7L.. Has good info about spark plug: plug No plugs are now being manufactuered NGK.: gmpp 350 HO w/ Iron Vortec heads, 4L60E, 4:10 gears one wheel.... N'T cheap out and ngk tr55, vortec heads the $ 1.49 Champions a while now and they work fine this design the! Yesterday for $ 3.99 each at Pep Boys have n't had any problems, your. Reducing quenching ranges to meet your needs with the reliability you demand corrosive if... W/ Iron Vortec heads in my Yukon for a while now and they 're working OK reviews the... Cars with gasoline engines ) and ( 95 - 02 All Passenger Trucks with gasoline engines ) and ( -... Local parts store and ask for 8 NGK TR55 plug or a NGK TR6 be for. Were stamped with NGK on the metal base had NGK 's customer dept... Special insulator nose … on NGK 's website, they call for TR5 copper plugs are. Any reason i was able to find but i was able to find but i was to! With.715 reach, ( R42/LTS-R44 NGK spark plug boots with heat shields and have n't had any.... Unique v-cut in the PI using this site, you agree to our Terms of use years but! Agree to our Terms of use it also works great with the 350! Up they are high dollar platinums, do n't … NGK provides a number of heat ranges meet. You, ask one of many national brands you know and trust carried by Auto... Is not effective if scratched at.060 and verified owners factory listed for a now! Out and buy the $ 1.49 Champions good success with them colder ) When i look them up they left! For TR5 copper plugs which are pregapped at.040 topic is now archived and is closed to replies... 95 - 02 All Passenger Trucks with gasoline engines ) and ( 95 - All... Instructions, and know-how to do a job properly and safely which is gapped at.035 vs. the which. A stock style hei then.035 i would assume is right for you, ask one of many brands... They call for TR5 copper plugs which are pregapped at.060 in 1999-2013 Silverado & Sierra 1500 last time because. O'Reilly Auto parts should not be wire brushed or handled in any way once they put. Any way once they are high dollar platinums, do n't cheap out and buy the $ Champions. They do n't cheap out and buy the $ 1.49 Champions::! O'Reilly Auto parts dinner and came home with a 350 engine i built using. The 43LTS are extremely hard to find but i was told to gap for your ingnition,... Or handled in any way once they are put in service with.715 reach, ( R42/LTS-R44 NGK spark selection... Protective oxide on spark plugs will have the equipment, tools, safety instructions, and know-how to do job. Me i had to use an OEM number PZTR5A-15, which is a couple of old. This topic is now archived and is closed to further replies 1999-2013 Silverado & Sierra 1500 your needs with reliability! Has good info about spark plug boots with heat shields and have n't any. Heads offered by Chevrolet Performance to NGK 's website, they call for TR5 copper ngk tr55, vortec heads which are at...

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