Super chargers + MAP

[Walter Sherwin]

You might be able to approximate a fuel delivery curve with such a scheme
(crude), but you would have absolutely no control over boost spark.  Having
run both,  I prefer the flexibility of a 2bar MAP below the supercharger.

Bye;
Walt.






-----Original Message-----
From: Roger Heflin <rah at horizon.hit.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Thursday, December 03, 1998 3:34 PM
Subject: Re: Super chargers + MAP


>
>
>Thinking about it some more, you could do it, but the VE table would
>look rather odd (ie lots of entries quite a bit above 1.0).  I would
>think it would be more work that just using a 2-3 bar map.
>
> Roger
>
>On Thu, 3 Dec 1998, Bruce Plecan wrote:
>
>> If the supercharger is between the throttle body, and engine, wouldn't
>> a 1 bar MAP work just fine if it picked up the signal at the base of
>> the throttle body (reguardless of boost?).
>>   Granted a 2-3bar MAP could have better resolution.
>> Anybody see any downsides to the first sentence
>> Bruce
>>
>>
>