nitrous or no??
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Joined: Jun 2009
Posts: 105
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From: south coast mass.
Car: 1991 camaro z28 convertible
Engine: 383 tpi
Transmission: t5
nitrous or no??
i have a newly rebuilt 5.7(stock)can i run nitrous ??how much??and what will i need??thanks for ne info
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Posts: 5,321
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Re: nitrous or no??
What pistons? If they're just stock cast ones, a 125 shot would be fine. What do you need? A nitrous kit that'll work with your engine. If you get a kit that's adjustable, start out small and work your way up. Stock nitrous jetting (at least for NOS) is pretty damn safe and you'd have to do something really stupid to hurt something.
Thread Starter
Member
Joined: Jun 2009
Posts: 105
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From: south coast mass.
Car: 1991 camaro z28 convertible
Engine: 383 tpi
Transmission: t5
Re: nitrous or no??
when i took the motor apart the pistons were flat on the top and except for 4 small valve notches. i did not replace the pistons and i dont think the were changed before soo yea i guess they are stock.i will lookinto the nitrous kits....thanks for thi info!!!
Thread Starter
Member
Joined: Jun 2009
Posts: 105
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From: south coast mass.
Car: 1991 camaro z28 convertible
Engine: 383 tpi
Transmission: t5
Re: nitrous or no??
i was reading that to run nitrous i have to run more fuel and colder plugs?? does ne1 no ne thing about this?? is so how much more fuel...... 24#????and what plugs?????
Supreme Member
iTrader: (1)
Joined: Apr 2000
Posts: 5,321
Likes: 4
From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
Re: nitrous or no??
Just ask at the parts counter for 1 step colder plug. I'd really recommend going with NGK plugs, tons of fast nitrous guys use them and they're easy to read. Try and get a wet nitrous kit, that'll take care of the extra fuel.
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Joined: Nov 2006
Posts: 248
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From: Tx
Car: 86 Camaro
Engine: 305
Transmission: 700r4
Axle/Gears: 3.73
Re: nitrous or no??
Go a step colder on the plug and run a plug WITHOUT an extended tip. For instance, if you are normally running an R44ts AC drop down to an R43t.
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Joined: Nov 2009
Posts: 376
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From: tri-cities Wa
Car: 83 camaro l69
Engine: turbo lsx
Transmission: th350
Axle/Gears: disk rear, 10bolt.
Re: nitrous or no??
yea go for the 1step colder plugs
and if possible run a wet kit there the safest way to run
is it a carb car or a fi
and if possible run a wet kit there the safest way to run
is it a carb car or a fi
Thread Starter
Member
Joined: Jun 2009
Posts: 105
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From: south coast mass.
Car: 1991 camaro z28 convertible
Engine: 383 tpi
Transmission: t5
Re: nitrous or no??
tpi motor....what is wet nitrous compared to dry nitrous????.......so i shouldent get bigger injector or nething??and what about retarding the timing.....should i get an adjustible msd box ?????
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From: Augusta, Ga
Car: 1987 Trans Am
Engine: 355ci L98 soon to be turbo'd
Transmission: 700R4
Axle/Gears: 2.73 posi
Re: nitrous or no??
my 87 TPI (305 140,xxx mi) ran fine with a 125 shot. I did run the NGKs colder plugs. I have a wet kit. But if you plan to run a shot that big, make sure your fuel pump can handle it. I swapped to a Walbro...
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Joined: Nov 2009
Posts: 376
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From: tri-cities Wa
Car: 83 camaro l69
Engine: turbo lsx
Transmission: th350
Axle/Gears: disk rear, 10bolt.
Re: nitrous or no??
wet throwns in fuel with the nos making a better safer nos system
since you have fi the easy cheap way is a zex kit there really safe and easy to work with and dont cost as much as the other brands.
things that i suggest.
colder plugs
injectors if you dont run a wet set up (stock injectors will deal with a big shot but safer to upgrade)
bigger fuel pump (255) make sure it is a boost and nos pump there is a na 255
fuel press reg and pressure guage
time to install
some kind of ignition upgrade,exhaust and headders make it worth it.
do you plan to do any other modds?? what does your car have right now?
i run nks in out boosted hondas with no problems and thats up to 30+psi of boost.
since you have fi the easy cheap way is a zex kit there really safe and easy to work with and dont cost as much as the other brands.
things that i suggest.
colder plugs
injectors if you dont run a wet set up (stock injectors will deal with a big shot but safer to upgrade)
bigger fuel pump (255) make sure it is a boost and nos pump there is a na 255
fuel press reg and pressure guage
time to install
some kind of ignition upgrade,exhaust and headders make it worth it.
do you plan to do any other modds?? what does your car have right now?
i run nks in out boosted hondas with no problems and thats up to 30+psi of boost.
Thread Starter
Member
Joined: Jun 2009
Posts: 105
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From: south coast mass.
Car: 1991 camaro z28 convertible
Engine: 383 tpi
Transmission: t5
Re: nitrous or no??
well im doin the motor build now i put headers and exhaust,k&n filters with hawks ram air,underdive pullys, smog delete.........just basics...do u know if i can get a upgraded fuel pump that will work with nitrous that will go in the gas tank like the orginal???i have seen some that are just inline.. is that what i need??? and if i get a inline pump do i need to change the one in the tank??...............so what your tellin me about injectors is if i run wet nitous i dont have to change them????
Member
Joined: Nov 2009
Posts: 376
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From: tri-cities Wa
Car: 83 camaro l69
Engine: turbo lsx
Transmission: th350
Axle/Gears: disk rear, 10bolt.
Re: nitrous or no??
yea most of your fuel pumps are made buy walbro and they are really good. they replace your stock unit. they come with everything to do the swap. all you do is change the plug in connectors and filter.
you can also get a kennebell or a vortech boostapump. i would just change the one in the tank.
the wet kit just makes it easer to tune and work with and yes usually you dont need to change the injectors since it sprayes enough fuel to deal with.
what i would do is just get a easy kit like zex and a wide band and run it and see what works for the car. we are all on a budget and every car is diffrent. start at a small shot and work your way up. the modds you have now will work fine with a good shot.
you can also get a kennebell or a vortech boostapump. i would just change the one in the tank.
the wet kit just makes it easer to tune and work with and yes usually you dont need to change the injectors since it sprayes enough fuel to deal with.
what i would do is just get a easy kit like zex and a wide band and run it and see what works for the car. we are all on a budget and every car is diffrent. start at a small shot and work your way up. the modds you have now will work fine with a good shot.
Thread Starter
Member
Joined: Jun 2009
Posts: 105
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From: south coast mass.
Car: 1991 camaro z28 convertible
Engine: 383 tpi
Transmission: t5
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