intake question

stanford20 · May 23, 2004

on my 2004 gt i have mac flowpaths and mac prochamber off road h pipe. next i want to go with a bbk cold air and a bbk 75 mm throttle body. tell me if this is true guys but i heard i would need 26lb injectors or bigger but would i have to have a bigger fuel pump. then i also heard i would have to have a new igintion system with a bigger spark. is this ture or do i need any other mods also. thankx.

Spike'sGT · May 23, 2004

I know I'm new here but that sounds like alot of bunk. Almost any kind of intake on the market today plus the exhaust set-up you have should not require bigger injectors, fuel pump, etc. UNLESS you are planning on going for big HP like with a power adder, etc., in the future. Then you will probably want to upgrade the components you mentioned at that time. Also, most aftermarket MAF's are calibrated to work with larger injectors while others are OK with stock ones (like the C&L MAF housings).

What are your goals for your car? Drag racing? Street machine? You will probably want to write down all the mods you have in mind and make a "car plan". A list will help keep you on track toward your ultimate 'stang.

Screwed2V · May 23, 2004

stanford20 said:
tell me if this is true guys but i heard i would need 26lb injectors or bigger but would i have to have a bigger fuel pump. then i also heard i would have to have a new igintion system with a bigger spark. is this ture or do i need any other mods also. thankx.

All false info.

DBMSTNG · May 23, 2004

you don't need bigger injectors until you get near 300rwhp and you aren't near that point yet.

stanford20 · May 23, 2004

Spike'sGT said:
I know I'm new here but that sounds like alot of bunk. Almost any kind of intake on the market today plus the exhaust set-up you have should not require bigger injectors, fuel pump, etc. UNLESS you are planning on going for big HP like with a power adder, etc., in the future. Then you will probably want to upgrade the components you mentioned at that time. Also, most aftermarket MAF's are calibrated to work with larger injectors while others are OK with stock ones (like the C&L MAF housings).

What are your goals for your car? Drag racing? Street machine? You will probably want to write down all the mods you have in mind and make a "car plan". A list will help keep you on track toward your ultimate 'stang.

im lookin at finishing my intake right now then going with fulll length headers i am looking at spending bout $600 in the near,near future. i would like to go with bbk cold air and bbk 75mm tb. what do you think?any other suggestions or advice?

KJ Hoppus · May 23, 2004

stanford20 said:
im lookin at finishing my intake right now then going with fulll length headers i am looking at spending bout $600 in the near,near future. i would like to go with bbk cold air and bbk 75mm tb. what do you think?any other suggestions or advice?

new upper plenum aswell.

Go HoTO! · May 23, 2004

Stay with the stock injectors unless you add a blower. The 19 pounders can handle a lot of HP, but at 300 rwhp is where I would start thinking about it. Essentialy, you run witht he stock ones untill you start getting lean and a tune can't fix it. Larger injectors also means a different MAF too, don't forget.

stanford20 · May 24, 2004

KJ Hoppus said:
new upper plenum aswell.

i e mailed bbk about the 75mm tb they said it is a kill over that a 70 mm would be best and that i might have to go with bigger injectors with 75mm. i am still thinkin bout going with the 75mm. any advice? sorry to bug you bout this.

stanford20 · May 24, 2004

KJ Hoppus said:
new upper plenum aswell.

i e mailed bbk about the 75mm tb they said it is a kill over that a 70 mm would be best and that i might have to go with bigger injectors with 75mm. i am still thinkin bout going with the 75mm and the the cold air and the upper plenum. any advice? sorry to bug you bout this.

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