TBI on blown small-block?

[Jess Gypin]

The efficiency of the Eaton type blower is crap compared the the Whipple
type charger. The best that an Eaton can do is 70% efficiency where the
Whipple (Autorotor) can make about 80-85% due to the screw design.

Jess
----- Original Message -----
From: "Bruce" <nacelp at bright.net>
To: <gmecm at diy-efi.org>
Sent: Monday, September 25, 2000 13:34 PM
Subject: Re: TBI on blown small-block?


>
> If Whipple listened to his engineers, he may have gotten to have a decent
> product.   It seems that they never did get the cals right or they would
> have sold alot of the kits.   In other words they didn't get the fuel
> management right.
> Bruce
>
> From: "Eric Bryant" <BRYANTE at ghsp.com>
> Subject: TBI on blown small-block?
> > Is anyone out there running a TBI on a Roots-style blower on a GM V8?
I'm
> > kinda-sorta thinking that one of those small B&M/Holley blowers would be
> > neat on one of my B-bodies, which runs the 16136965 C3 PCM.
> > I'm just wondering if a one-bar MAP system can be used, with the MAP
> sensor
> > measuring the absolute pressure between the throttle plate and the
blower.
> > I'm not sure if this is a workable setup, as I'm pretty green when it
> comes
> > to blowers.  I remember seeing Whipplecharger kits for the TBI pickups
> that
> > mounted the throttle body on top of the blower, but I have absolutely no
> > knowledge of how they handled fuel management.
> > Eric Bryant
>
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