streetportign teh NA will the stock ECU ahndle it?
08-29-02, 01:25 AM
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streetportign teh NA will the stock ECU ahndle it?
after the streetport do i need to give it more fuel. or will teh stock ecu/injectors/fuel pump handle this. i have a full rb exhasut, DP,MP, catback. pineapple 6 port sleeves and a cold air induction.
08-29-02, 01:36 AM
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I thought I'd clearify.
TII 550cc SECONDAIRY Injectors. Either get an A/F and EGT gague to tune it, or head to your local dyno, and tune to the torque curve.
TII 550cc SECONDAIRY Injectors. Either get an A/F and EGT gague to tune it, or head to your local dyno, and tune to the torque curve.
08-29-02, 01:57 AM
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Banned. I got OWNED!!!
You dont need any of that stuff for just a SP and exhaust and intake.
I built my buddies GXL with a heavy SP, intake and full race exhaust, adn ran it off the stock ecu and injectors. IT ran STRONG too. The NA is tunes rich enough from the factory that you ahve a fair amount of slack. Dyno reports have shown that a stock NA makes more power by LEANING it out in teh midrange, not richening it up. The stock EFI can handle just about whatever you throw at it, short of a BP or something.
IMO that stuff on an NA is a waste of money, unless youre buying the SAFC to tune DOWN the STOCK injectors...
Now, a t2 is totally different.
I built my buddies GXL with a heavy SP, intake and full race exhaust, adn ran it off the stock ecu and injectors. IT ran STRONG too. The NA is tunes rich enough from the factory that you ahve a fair amount of slack. Dyno reports have shown that a stock NA makes more power by LEANING it out in teh midrange, not richening it up. The stock EFI can handle just about whatever you throw at it, short of a BP or something.
IMO that stuff on an NA is a waste of money, unless youre buying the SAFC to tune DOWN the STOCK injectors...
Now, a t2 is totally different.
08-29-02, 02:03 AM
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I have a street port and didn't need 550's or S-AFC
my injectors are clean and the car pulls nice. all FC's are tuned a little on the fat side for safety, adding a little more air via street port won't hurt your motor.
I actually noticed a slow down with 550's in the secondaries. The car was not as responsive above 4000 RPM as it was with the 460's.
My advise is to have the motor ported, break it in and get it dyno'ed as is, with stock injectors and a wide band. I'm sure it will say you are running a little on the rich side. From there then you decide, but I wouldn't just go out and buy **** cause you heard it here, from somebody who doesn't know your specific application.
my injectors are clean and the car pulls nice. all FC's are tuned a little on the fat side for safety, adding a little more air via street port won't hurt your motor.
I actually noticed a slow down with 550's in the secondaries. The car was not as responsive above 4000 RPM as it was with the 460's.
My advise is to have the motor ported, break it in and get it dyno'ed as is, with stock injectors and a wide band. I'm sure it will say you are running a little on the rich side. From there then you decide, but I wouldn't just go out and buy **** cause you heard it here, from somebody who doesn't know your specific application.
08-29-02, 01:45 PM
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thats what i was planning on doing, goign to dyno after break in with the fuel being stock, and then seing if i have to get an AFC or injectors. the "DP" is the precat replacement pipe. thanx
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08-29-02, 02:24 PM
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