spark plugs nos
#1
spark plugs nos
I have a 100 wet shot of nitrous and I'm wondering what ngk plugs to get for my car. I want them to give me good performance wether I'm on the spray or not. my stuff is in my sig and soon im gonna be adin some more mods to boost performance.
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Car: 92 Formula
Engine: 383 248/256 cam
Transmission: 700r4 3500 stall
Axle/Gears: 9" 3.89 gears detroit locker
Re: spark plugs nos
Well if you want to use a ngk a tr6 would work good. Personally I like the autolite racing plugs the drawback would be is they don't last very long. The one's I use in my car are a ar133 with a 150 shot and they work awesome. Still the stock motor untouched internally L98. It still got good mileage I didn't really notice a difference.Just my.02
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Car: 1991 Camaro Z28
Engine: L98 5.7 350 TPI
Transmission: Brand New (again) 700r4
Axle/Gears: GM 10 bolt 7.625 W/ TrueTrac 3.23
Re: spark plugs nos
I don't mean to hijack but sprayed 92 what were your times with the 150 shot? I have an internally stock l98 with spray... haven't yet been to the track but I am worried to spray a big shot like 150.... any advice?
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Car: 91 z28
Engine: 383 sbc, 88mm turbo a2w IC, CSU 750
Transmission: th-400 PTC 4000 stall
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Re: spark plugs nos
And this question has been asked probably a billion times, do a search...
NGK TR-6's or Autolite 103's gapped at .035
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Car: 92 Formula
Engine: 383 248/256 cam
Transmission: 700r4 3500 stall
Axle/Gears: 9" 3.89 gears detroit locker
Re: spark plugs nos
Well with the stock tpi setup it went 12.3@109
Now with the HSR on it it went 11.9@113.
I have also spent alot of time with a wideband in the car leaning out my kit because is was so rich. Currently I've put 10 10lb bottles thru the motor and zero problems. Heck I'm even running 10* initial timing
My advice would be to buy a wideband and weld an o2 bung in your exhaust after the cat and make a pass your target air/fuel ratio would be 11.8-12.0. Now my car on the other hand mine is 12.5 but I don't recommend that because my setup is more of a max effort and if it blows no big deal I'll replace stuff.Also if you hear the motor ping let out lol.
Now with the HSR on it it went 11.9@113.
I have also spent alot of time with a wideband in the car leaning out my kit because is was so rich. Currently I've put 10 10lb bottles thru the motor and zero problems. Heck I'm even running 10* initial timing
My advice would be to buy a wideband and weld an o2 bung in your exhaust after the cat and make a pass your target air/fuel ratio would be 11.8-12.0. Now my car on the other hand mine is 12.5 but I don't recommend that because my setup is more of a max effort and if it blows no big deal I'll replace stuff.Also if you hear the motor ping let out lol.
Last edited by Sprayed92; 07-31-2007 at 06:22 PM.
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#8
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Car: 1991 Camaro Z28
Engine: L98 5.7 350 TPI
Transmission: Brand New (again) 700r4
Axle/Gears: GM 10 bolt 7.625 W/ TrueTrac 3.23
Re: spark plugs nos
Well with the stock tpi setup it went 12.3@109
Now with the HSR on it it went 11.9@113.
I have also spent alot of time with a wideband in the car leaning out my kit because is was so rich. Currently I've put 10 10lb bottles thru the motor and zero problems. Heck I'm even running 10* initial timing
My advice would be to buy a wideband and weld an o2 bung in your exhaust after the cat and make a pass your target air/fuel ratio would be 11.8-12.0. Now my car on the other hand mine is 12.5 but I don't recommend that because my setup is more of a max effort and if it blows no big deal I'll replace stuff.Also if you hear the motor ping let out lol.
Now with the HSR on it it went 11.9@113.
I have also spent alot of time with a wideband in the car leaning out my kit because is was so rich. Currently I've put 10 10lb bottles thru the motor and zero problems. Heck I'm even running 10* initial timing
My advice would be to buy a wideband and weld an o2 bung in your exhaust after the cat and make a pass your target air/fuel ratio would be 11.8-12.0. Now my car on the other hand mine is 12.5 but I don't recommend that because my setup is more of a max effort and if it blows no big deal I'll replace stuff.Also if you hear the motor ping let out lol.
#9
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Car: 1991 Camaro Z28
Engine: L98 5.7 350 TPI
Transmission: Brand New (again) 700r4
Axle/Gears: GM 10 bolt 7.625 W/ TrueTrac 3.23
Re: spark plugs nos
DO NOT use stock plugs...they may work a few times, but at under $20 for a new set of plugs that are correct, its really not worth the savings of using stock plugs.
And this question has been asked probably a billion times, do a search...
NGK TR-6's or Autolite 103's gapped at .035
And this question has been asked probably a billion times, do a search...
NGK TR-6's or Autolite 103's gapped at .035
#11
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Car: 91 z28
Engine: 383 sbc, 88mm turbo a2w IC, CSU 750
Transmission: th-400 PTC 4000 stall
Axle/Gears: ford 9" 3.55 gear
Re: spark plugs nos
i cant honestly say, because everyone that i know of that uses nitrous the NGK's or the AL's. They cost about the same as delco plugs and have be tried and trued, so why not go with them?
#13
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Car: 1985 Iroc-Z
Engine: 305
Transmission: t-5
Re: spark plugs nos
Yup it will still run just fine N/A with those spark plugs. It may loose a little power from the timing lose but still run fine.
#14
Re: spark plugs nos
what about a 100-150 shot on a 156K mileage L98 that is running in tip top shape? lol i want nitrous bad hehe
also with the 150 shot your suppose to retard timing like 6 degrees. Do you do that with the base timing of the motor (turning distributor) or in the chip Spark tables to take out timing everywhere in the motor at all rpms/LV8 values?
Or do you only really need to change the timing in the max LV8 at WOT values in the chip's spark advance table, so you can keep your timing advanced everywhere else for better driving power when off the bottle?
that way when the motor goes WOT and the nitrous comes on, it will still be 6 degrees retarded at all rpms ranges under full engine load. but when you get off the bottle and are driving you have best timing for max power everywhere else
also with the 150 shot your suppose to retard timing like 6 degrees. Do you do that with the base timing of the motor (turning distributor) or in the chip Spark tables to take out timing everywhere in the motor at all rpms/LV8 values?
Or do you only really need to change the timing in the max LV8 at WOT values in the chip's spark advance table, so you can keep your timing advanced everywhere else for better driving power when off the bottle?
that way when the motor goes WOT and the nitrous comes on, it will still be 6 degrees retarded at all rpms ranges under full engine load. but when you get off the bottle and are driving you have best timing for max power everywhere else
#15
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Car: 91 z28
Engine: 383 sbc, 88mm turbo a2w IC, CSU 750
Transmission: th-400 PTC 4000 stall
Axle/Gears: ford 9" 3.55 gear
Re: spark plugs nos
what about a 100-150 shot on a 156K mileage L98 that is running in tip top shape? lol i want nitrous bad hehe
also with the 150 shot your suppose to retard timing like 6 degrees. Do you do that with the base timing of the motor (turning distributor) or in the chip Spark tables to take out timing everywhere in the motor at all rpms/LV8 values?
Or do you only really need to change the timing in the max LV8 at WOT values in the chip's spark advance table, so you can keep your timing advanced everywhere else for better driving power when off the bottle?
that way when the motor goes WOT and the nitrous comes on, it will still be 6 degrees retarded at all rpms ranges under full engine load. but when you get off the bottle and are driving you have best timing for max power everywhere else
also with the 150 shot your suppose to retard timing like 6 degrees. Do you do that with the base timing of the motor (turning distributor) or in the chip Spark tables to take out timing everywhere in the motor at all rpms/LV8 values?
Or do you only really need to change the timing in the max LV8 at WOT values in the chip's spark advance table, so you can keep your timing advanced everywhere else for better driving power when off the bottle?
that way when the motor goes WOT and the nitrous comes on, it will still be 6 degrees retarded at all rpms ranges under full engine load. but when you get off the bottle and are driving you have best timing for max power everywhere else
#16
Re: spark plugs nos
well i can burn my own chips so i could adjust my total timing anyway i want. i have multiple chips so i can put in a n/a tune or a nitrous tune whenever i want.
i'd rather just do a cam swap right now just for that power thats there all the time. And for that lopey sound lol
i'd rather just do a cam swap right now just for that power thats there all the time. And for that lopey sound lol
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Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: spark plugs nos
The stock delco is probably the R45TS, a few steps colder would be R43 or R42T or TS.
#19
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Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Re: spark plugs nos
Yep, that's what i'd do.
I run the R42T ( the S means extended reach IIRC, so it makes it a tad hotter I think). If your ignition system is stock i'd also close up the plug gap as mentioned above, .035" might be best.
I run the R42T ( the S means extended reach IIRC, so it makes it a tad hotter I think). If your ignition system is stock i'd also close up the plug gap as mentioned above, .035" might be best.
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