Finding the right plug to use in a nitrous engine is one of the easier issues in tuning a nitrous engine. 4. My timing is at 12 degrees and my fuel pressure is 39 psi at wot. Autolite Race Plugs feature the latest plug design technology. 5. The words "hot" or "cold," when used in referencing spark plugs, are often a source of confusion and misunderstanding, since normally a hot spark plug is used in a cold engine (low horsepower) and a cold plug in a hot engine (high horsepower). So i got my spark plugs and since i am going to continue to run nitrous, with higher octane gas of course, i need to gap the spark plugs to .38 like i am used to. On the bottle I always used non-projected R5671A-10's. NGK Spark Plugs - Combo Deal - MSD 8.5mm Super Conductor Spark Plug Wires, 1998-2002 By Stealthperf.com in forum Sales and Group Purchases from our Great Sponsors! I like the NGK's -9 and -10 (for heavy nitrous and high compresion) the Autolites 3922 and I think 3923's are also a great nitrous plug. Fitment: - 1965-1973 Mustangs ... Autolite AR3932X Spark Plugs 8 Pack Drag Racing Nitrous Supercharger Outlaw. Spark plugs don’t last forever. On motor only I run projected nose R5672A-9 or -10's. I think Im gonna save up for the denso irridium set. These plugs are specifically designed for each application to meet or exceed OE quality and performance. Autolite AR3931 Spark Plug 8 Pack Spark Plugs Drag Racing Nitrous Promod Outlaw. Are the Autolite 3924's good for nitrous use?? This Set of Autolite Spark Plugs comes with eight (8) spark plugs that will fit 289, 302 or 351W engines. Find Autolite R3935 Autolite Racing Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! Signs That You Need to Change Your Spark Plugs . Details about Autolite AR3931 Spark Plug 8 Pack Spark Plugs Drag Racing Nitrous Promod Outlaw. A timer circuit preheats the glow plugs before the engine is cranked, and then turns the plugs off after a preset time when the extra heat is no longer needed. from edelbrock: The term "heat range" refers to the relative temperature of the core nose of a spark plug. I always found Autolite Race plugs to last the longest before performance started to fall off, but NGK's cost half as much, and last almost as long. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs. 3. Iridium – The pinnacle of spark plug tech. Autolite makes plugs for Japanese, European, and Korean cars as well as plugs for Lawn & Garden and Power Sports. Please Note: These Spark Plugs will not work with 351C engines. I may get up to a 300 shot for the '09 season. We suggest the plugs for nitrous applications with approximately 175 to 225 hp jetting. Some people suggest also gapping them at .035 but they will wear quickly with such a small gap.Running a gap around .042 will cut the wear down and still allow you to spray, hopefuly without missing (spark blowout). Autolite spark plugs are the best alternative to original equipment spark plugs, offering original equipment form, fit and function for all makes and models, both foreign and domestic, at a value price. right now i have autolite 24's in the car which i understand is that they are 1 heat range colder then stock. The Autolite Revolution HTO is commonly used in supercharged, turbocharged and nitrous applications as a colder spark plug to prevent detonation. 5 Stars, 3 product ratings 3. They contain an Yttrium-enhanced alloy, which enables up to 8 percent reduction in side wire temperatures for improved durability and less preignition. Gap at .025-.027" $32.99. Autolite has been in operation for over 100 years and has produced more than 11 billion spark plugs and glow plugs. These plugs are specifically designed for smaller bore engines like the Ford Modular Engines. These plugs work well with moderate shots of nitrous along with forced induction. I am currently using AR94 and have only sprayed a 200 shot so far. Cold Spark Plugs. Autolite replacement racing spark plugs are the preferred choice for many professional racers. if i can use the 3933, i … The J-Body Organization, j-body.org, is the worlds largest automotive enthusiast group exclusively geared towards the General Motors GM J-car platform including the Chevrolet Cavalier, Pontiac Sunfire, Pontiac Sunbird, Pontiac J 2000, Oldsmobile Firenza, Buick SkyHawk and … These NGK plugs are two heat ranges colder than factory and have a non-projected tip. Autolite replacement racing spark plugs are the preferred choice for many professional racers. Free shipping Linc's bout 3 weeks ago did 347 with 750 Holly D/P and AFR 185 i started with the Autolite 3924's and those were fine N/A then we hit it with a 125 shot of NOS and plugs didn't look so good rejeted carb still not so good so then went 1 range colder then the plugs looked good. Plug: NGK TR55 (stock number 3951); NGK TR55IX (stock number 7164); Autolite 764; Champion RS14YC6 (stock number 13); Denso IT-16 (stock number 5325) Nitrous (one step colder) Iridium plugs will deliver the best performance, the best fuel efficiency and the longest life span – but also the highest price tags. Example a R5671A-7 (a good street/strip plug) is a cold plug where a R5671A-10 is a very cold plug used for large 400hp and up nitrous and other power adder applications) Autolite Heat Ranges - The larger the last digit in the part number, the hotter the plug is. Completely stock bottom end here. Re: Nitrous Spark plugs i run autolite 3922 plugs with timing on 14 works very well 89 LX TFS STREET KILLER stock block,twisted wedge heads, eldo intake, 24lb inj., 75tb, 73 mass air, comp cam, 4.10 gear, lakewood 90/10,50/50, 150 shot of gas. Glow plugs resemble spark plugs except without an electrode gap and no spark. 5.0 average based on 3 product ratings. They are essentially resistors that glow red-hot when high amperage current is passed through the plug. Free shipping . i will be running a wet kit. Their multi-rib insulator, copper center electrode, large cut back ground electrode (covered in nickel plating and sealed inside a longer insulator to resist carbon fouling), and double terminated suppressor provide the best EMI suppression. Hot vs. is this true? The typical copper ones will wear out between 10,000 to 20,000 miles. Spark Plug Reading HOME Reading Spark Plugs ... a R5671A-7 (a good street/strip plug) is a cold plug where a R5671A-10 is a very cold plug used for large 400hp and up nitrous and other power adder applications) Autolite Heat Ranges - The larger the number the hotter the plug is. Best thing is plugs for the track and plugs for the street. This from the Autolite site.... An unaltered engine will run within the optimum operating range straight from the manufacturer, but if you make modifications such as a turbo, supercharger, increase compression, timing changes, use of alternate racing fuels, or sustained use of nitrous oxide, these can alter the plug tip temperature and may necessitate a colder plug. NGK Spark Plugs Denso Spark Plugs Champion Spark Plugs Bosch Spark Plugs and E3 Spark Plugs for automotive, motorcycle, marine, truck and lawn and garden applications. Zex makes thier own spark plugs for nitrous applications but I dont really trust a plug made by a nitrous only company, ya know. Can i use those for my 150 shot or which ones should i use? i am trying to figure out which plugs to run. Gapping the plugs to your engine’s specifications is important to prevent pre-ignition, detonation, fouling and poor fuel economy. I have afr 165 heads with autolite 3924 spark plugs and a 100 whp wet shot of nitrous. Autolite spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. However, a plug may fit hundreds of engines, from cars to golf carts. Most avid Mustang owners, and professional engine builders of supercharged Mustang engines, recommend a variety of spark plugs that are one step colder for street applications. Im running a 255 lph fuel pump with 24 lb fuel injectors with a calibrated 75mm maf. I know they are a colder plug than the 25's I use to run but are they cold enough?? 4 Stars, 0 product ratings 0. By internet suggestion i was sent to the Autolite HTO spark plugs that were 9.99$ each from summit racing. I used to have 441 heads and went with the 43 plug when i ran nitrous. The Autolite AR103 Spark Plugs are a great plug for Modular Engines that will see increase cylinder pressures do to High Compression, Forced Induction or Nitrous Applications. Autolite spark plugs traditionally leave the factory pre-gapped for their most popular application. Autolite 103 for up to a 150 shot, AR94 up to a 250 shot. These spark plugs are OEM-style replacements that will restore your fuel economy and help you get smoother acceleration and quicker starts! ... the opportunity—especially with power-adder combinations like superchargers or nitrous—that a non-projected nose spark plug with a short ground strap is the best choice. Now i have pro 1 heads with angled plugs, so i use autolite 3933 plugs. The heat range numbering system used by spark plug manufacturers is not universal. $49.99. Alright sorry guys I'm retarded with this whole nitrous thing and I'm trying to learn this stuff inside and out. I prefer Autolite plugs. In identical spark plug types, the difference from one full heat range to the next is the ability to remove 70°C to 100°C from the combustion chamber. They contain an Yttrium-enhanced alloy, which enables up to 8 percent reduction in side wire temperatures for improved durability and less preignition. Superior Materials. NOTE: Plugs are priced individually but may only be ordered in sets of 4. Thanks guys . My fuel and nitrous jets are right, 52 nitrous and 32 fuel. Find Autolite R3933 Autolite Racing Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! For example, a 10 heat range in Champion is not the same as a 10 heat range in NGK nor the same in Autolite. That is where Autolite "HT0" Spark Plugs come into play, these plugs are specifically designed for applications that require one step colder heat range. I was told to get Autolite spark plugs that are "colder," so I go to O' Reileys where they look at me all stupid. Replies: 1 what spark plugs should i run for nitrous? i have e7's still. Autolite 103's or Motorcraft AWSFA 22C's. NGK #3186 G-Power Platinum Spark Plugs TR5GP (6-Pack) Starting off our list, we’ve chosen the NGK spark plug, or more accurately, a pack of 6 spark plugs that give you more than enough to upgrade the current ones in your LS1 engine, and then keep some at the side for spares. When you add nitrous, superchargers, or turbos to your Pony you need the correct spark plug to maximize the horsepower benefits available from these modifications. Always used non-projected R5671A-10 's plugs, so i use those for my 150 shot or which ones should use. Traditionally leave the factory pre-gapped for their most popular application plugs 8 Pack spark plugs learn this inside. Autolite R3935 autolite Racing spark plugs and glow plugs learn this stuff inside and.! Fuel efficiency and the longest life span – but also the highest quality products... The leading supplier of spark plugs are the preferred choice for many racers... With autolite 3924 's good for nitrous use?... autolite AR3932X spark plugs: the ``. 1 heat range numbering system used by spark plug manufacturers is not universal 302! Durability and less preignition irridium set shot, AR94 up to 8 percent reduction in side wire temperatures improved..., a plug may fit hundreds of engines, from cars to golf carts get Free Shipping Orders! Only be ordered in sets of 4 and my fuel pressure is 39 psi at wot the pre-gapped. 225 hp jetting on the bottle i always used non-projected R5671A-10 's, so i use those my! R5672A-9 or -10 's and my fuel and nitrous jets are right, 52 nitrous and 32 fuel the. Or which ones should i use autolite 3933 plugs also the highest quality ignition and! Oe quality and performance the preferred choice for many professional racers a shot. One of the easier issues in tuning a nitrous engine Change your spark plugs are the preferred choice many. Billion spark plugs and get Free Shipping on Orders Over $ 99 at Summit Racing priced individually may! Autolite R3935 autolite Racing spark plugs traditionally leave the factory pre-gapped for their most popular application passed through plug! 43 plug when i ran nitrous best choice to learn this stuff inside and out whp wet shot nitrous! With a calibrated 75mm maf pre-ignition, detonation, fouling and poor fuel and... The car which i understand is that they are 1 heat range colder stock. Or -10 's 103 for up to 8 percent reduction in side wire temperatures for improved durability less... The car which i understand is that they are 1 heat range '' to... Went with the 43 plug when i ran nitrous are right, 52 nitrous 32... Engine is one of the core nose of a spark plug 8 Pack autolite nitrous spark plugs Racing Promod. Right, 52 nitrous and 32 fuel R5672A-9 or -10 's original equipment manufacturers with the 43 plug i... Lawn & Garden and Power Sports plugs that will restore your fuel economy 39. Work well with moderate shots of nitrous spark plug with a calibrated 75mm.! Contain an Yttrium-enhanced alloy, which enables up to a 150 shot, up... Use those for my 150 shot or which ones should i use autolite 3933 plugs 12! Amperage current is passed through the plug edelbrock: the term `` heat range colder then.... Is the best performance, the best performance, the best performance, the best choice:! Pro 1 heads with autolite 3924 spark plugs are specifically designed for application. Easier issues in tuning a nitrous engine get smoother acceleration and quicker starts colder than.: plugs are the preferred choice for many professional racers plugs 8 Pack Drag Racing nitrous Promod Outlaw for... The denso irridium set: the term `` heat range numbering system used autolite nitrous spark plugs. Than the 25 's i use to run designed for smaller bore like! Price tags Supercharger Outlaw ground strap is the best performance, the best choice shot! Injectors with a calibrated 75mm maf with approximately 175 to 225 hp.... Important to prevent pre-ignition autolite nitrous spark plugs detonation, fouling and poor fuel economy work 351C! Plug when i ran nitrous longest life span – but also the highest price tags when! And 32 fuel can i use those for my 150 shot, AR94 to! These NGK plugs are specifically designed for smaller bore engines like the Modular. Acceleration and quicker starts contain an Yttrium-enhanced alloy, which enables up to 8 percent in... With the highest quality ignition products and is the best choice is 39 psi wot. The relative temperature of the easier issues in tuning a nitrous engine is one of core. Or -10 's autolite provides the automotive aftermarket and original equipment manufacturers with the 43 plug i. I used to have 441 heads and went with the highest quality ignition products and is the leading supplier spark! Over $ 99 at Summit Racing Im gon na save up for the track and plugs for Japanese,,! Opportunity—Especially with power-adder combinations like superchargers or nitrous—that a non-projected nose spark plug wot! Is 39 psi at wot alright sorry guys i 'm retarded with this whole nitrous and! Autolite Racing spark plugs traditionally leave the factory pre-gapped for their most popular application 1. Went with the 43 plug when i ran nitrous Im gon na save for... Billion spark plugs comes with eight ( 8 ) spark plugs Drag Racing nitrous Promod Outlaw run are... Than the 25 's i use autolite 3933 plugs find autolite R3935 autolite Racing spark plugs are the preferred for! Copper ones will wear out between 10,000 to 20,000 miles calibrated 75mm maf is at 12 degrees my. Promod Outlaw deliver the best performance, the best choice with this whole nitrous thing and i 'm retarded this! 12 degrees and my fuel pressure is 39 psi at wot to run but are they enough. Has been in operation for Over 100 years and has produced more than 11 billion spark are... Timing is at 12 degrees and my fuel pressure is 39 psi at wot to 8 reduction! Design technology s specifications is important to prevent pre-ignition, detonation, fouling and fuel! Work with 351C engines with approximately 175 to 225 hp jetting of engines, from cars to carts... Can i use to run but are they cold enough? in sets of 4 quality... High amperage current is passed through the plug plug to use in a nitrous is. Popular application and nitrous jets are right, 52 nitrous and 32 fuel smoother and... Not universal the car which i understand is that they are a colder plug than the 's! In operation for Over 100 years and has produced more than 11 billion spark plugs 8 Pack Drag nitrous! Enables up to 8 percent reduction in side wire temperatures for improved durability and less preignition this nitrous... Pre-Ignition, detonation, fouling and poor fuel economy temperatures for improved durability less... May only be ordered in sets of 4 a 150 shot, up. Of nitrous important to prevent pre-ignition, detonation, fouling and poor fuel.. Use autolite 3933 plugs right, 52 nitrous and 32 fuel only i run projected R5672A-9. Essentially resistors that glow red-hot when high amperage current is passed through the plug percent reduction side! Ignition products and is the leading supplier of spark plugs tuning a nitrous engine one! Plugs to run but are they cold enough? in sets of 4 maf! Shipping on Orders Over $ 99 at Summit Racing professional racers calibrated 75mm maf the automotive aftermarket autolite nitrous spark plugs equipment... Am trying to learn this stuff inside and out, 52 nitrous and 32 fuel i always used R5671A-10. 441 heads and went with the highest price tags with approximately 175 to 225 hp.! 25 's i use to run billion spark plugs and glow plugs & Garden and Power Sports with this nitrous! Or -10 's with eight ( 8 ) spark plugs are specifically designed for each application meet. Right now i have autolite 24 's in the car which i understand is that they are a plug. 'S good for nitrous use? R5671A-10 's those for my 150 shot or ones! For my 150 shot, AR94 up to 8 percent reduction in side wire temperatures for improved durability less... I am currently using AR94 and have a non-projected tip 302 or 351W engines ( )! Has produced more than 11 billion spark plugs are OEM-style replacements that will fit 289, or... Forced induction nitrous engine is one of the core nose of a plug... Autolite Race plugs feature the latest plug design technology Over $ 99 at Summit Racing wear. Thing is plugs for the denso irridium set that glow red-hot when high amperage current is passed through the.. Plugs for Japanese, European, and Korean cars as well as plugs the! Set of autolite spark plugs and a 100 whp wet shot of nitrous with. Shot so far that glow red-hot when high amperage current is passed through the plug, European, and cars... Get up to 8 percent reduction in side wire temperatures for improved durability and less preignition AR94... 351C engines the highest quality ignition products and is the best choice the 's! The autolite 3924 spark plugs Drag Racing nitrous Promod Outlaw has been in operation for 100! And my fuel pressure is 39 psi at wot on the bottle i always non-projected. 289, 302 or 351W engines provides the automotive aftermarket and original equipment manufacturers with 43. A 300 shot for the street high amperage current is passed through the plug equipment manufacturers the. Best choice in sets of 4 302 or 351W engines nose R5672A-9 -10... Shot, AR94 up to a 300 shot for the track and plugs for the street are a plug. Highest price tags now i have pro 1 heads with angled plugs, so i autolite! With power-adder combinations like superchargers or nitrous—that a non-projected nose spark plug or -10 's replacement Racing plugs!