intake plenum size & reversion

Walter Sherwin wsherwin at home.com
Thu Jul 5 22:00:03 GMT 2001


>
> The situation I have is the motor is a chevy V8 small block 6.6l engine,
with
> what someone else measured to be a 3L intake, with 3-4" runners.   This
motor
> is a late model chevy LT1 motor, and the intake has IAC passages built
> into it (basically a separate plenum/runner setup going to each cylinders
> runner, and this air is separately controlled with a idle air hole-much
like
> you would drill in a carbed motor, and a iac motor setup).
>
> At idle (without using the special IAC passages in the intake, or without
> using them enough) the motor runs consistantly different side to side
> (one side runs with say a blm of 110 or so and the other side run 160,
> basically -15% fuel on one side, and +25% on the other side), as the
> throttle increases things even out. The above was determined by averaging
> a large number of samples (10-15,000).
>


Is this thing I.R., or common throttle, or what exactly is it?  Two common
bank HO2's?....

Walt.

----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org




More information about the Diy_efi mailing list