NoPistons -Mazda Rx7 & Rx8 Rotary Forum - Is Anything Else Needed?

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7th Heaven

10-24-2003 04:03 PM

After replacing the pre cat with a downpipe, exhaust, adding a cold air intake, is my car going to run lean? What can I do to prevent this?

Cooper

10-24-2003 04:38 PM

It should be fine. Remeber the 3 mod rule! I doubt your car will run that lean at all, if your worried and dont have the cash to buy an ECU just run a little bit higher octane fuel.

GASOLINE

10-24-2003 05:27 PM

from what ive been reading youll be alright as long as your mods dont make you go past 10psi. after 10 psi the stock computer isnt as good anymore

turbovr6

10-24-2003 05:41 PM

the downpipe can cause boost creep. Watch your boost gauge when you drive. If it goes past 10 psi it's time to buy an ecu, or a boost controller. Really you should get both anyway

7th Heaven

10-25-2003 03:17 PM

I have budgeted for an aftermarket ECU. I don't know much about them, since nobody I know can keep a job and get anything nice for their cars.

93 R1

10-25-2003 03:24 PM

you coming down to the meet tomorrow?

-=RX-7 KID=-

10-26-2003 01:28 AM

I'm going to try and make it

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