Are stock injectors enough?
02-21-2005, 08:53 AM
#1
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Are stock injectors enough? I recently bought a '98 Trans Am w/ the mods: Stage 2 heads/cam/headers/etc etc. rwph ~ 400
I also have a NX 150 shot (wet kit). possible rwhp ~ 550
The previous owner states that the injectors are stock (28.8#).
I feel comfortable w/ the stock injectors as long as I don't use the nitrous.
Does anyone think I should upgrade the injectors to maximize the nitrous? Is there any danger to the motor if I use the nitrous and don't upgrade the injectors?
I also have a NX 150 shot (wet kit). possible rwhp ~ 550
The previous owner states that the injectors are stock (28.8#).
I feel comfortable w/ the stock injectors as long as I don't use the nitrous.
Does anyone think I should upgrade the injectors to maximize the nitrous? Is there any danger to the motor if I use the nitrous and don't upgrade the injectors?
02-21-2005, 09:28 AM
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DEFFITINLY upgrade the fuel injectors when using nitrous! I'd get 42lbs injectors. Also you better be planning on a bigger fuel pump as well.
EDIT: And if the injectors are stock, and the car is a 98, then the injectors are only 24lbs I think? They aren't 28lbs, those were only used on the 01-02's.
EDIT: And if the injectors are stock, and the car is a 98, then the injectors are only 24lbs I think? They aren't 28lbs, those were only used on the 01-02's.
02-21-2005, 09:32 AM
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an upgrade wouldnt be a bad idea, but you should actually be ok if tuned properly because it is a wet kit you are using. i would actually be more worried about the rest of your fuel system. you will definetly need another pump inline or a replacement intank to handle that power, if you already dont have one.
02-21-2005, 10:07 AM
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Originally Posted by BoostedWS7
an upgrade wouldnt be a bad idea, but you should actually be ok if tuned properly because it is a wet kit you are using. i would actually be more worried about the rest of your fuel system. you will definetly need another pump inline or a replacement intank to handle that power, if you already dont have one.
(I plan on upgrading anyway, I'm just waiting for the cash.....
)
02-21-2005, 11:16 AM
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Originally Posted by EATAZ06MMM
So, if I leave it as is, am I taking a chance on hurting the motor or will I simply not be using the motor to its full potential.....
(I plan on upgrading anyway, I'm just waiting for the cash..... )
(I plan on upgrading anyway, I'm just waiting for the cash.....
)
02-21-2005, 12:31 PM
#6
Originally Posted by freakynipples69
EDIT: And if the injectors are stock, and the car is a 98, then the injectors are only 24lbs I think? They aren't 28lbs, those were only used on the 01-02's.
02-21-2005, 12:39 PM
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Originally Posted by Proud2bSS
You could potentially hurt the motor w/ the no2, since it could lean w/o enough fuel delivery due to stock fuel pump. You definately need an additional inline pump, or a bigger volume pump in the tank.
You may have just saved me lots of $$$$
I'll sheck into the inline pump and possibly some 42# injectors. Better to be safe than sorry
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02-22-2005, 02:29 PM
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Also, regarding the nitrous, a wet shot has no effect at all on your injectors other than you would need an upgraded fuel pump to help supply both the injectors and the fuel demanded by the nitrous.
I definately would not run the nitrous as it is, the fuel demand will cause the fuel pressure to drop, resulting in a possible lean condition and damage to the engine.
You should be fine on motor, stock fuel pump should be fine till you get close to 500rw, your inj should be fine to around 425-450ish
I definately would not run the nitrous as it is, the fuel demand will cause the fuel pressure to drop, resulting in a possible lean condition and damage to the engine.
You should be fine on motor, stock fuel pump should be fine till you get close to 500rw, your inj should be fine to around 425-450ish