[Diy_efi] re Throttle body sizing

[Dave Dahlgren]

A motec handles these TB sizing issues quite well. Alpha-N fueling is a must in
anything with a huge Tbody on it compared to what might be optimum as well. The
wilder the cam and larger the intake tract gets the more you need alpha-n..
Dave

William Shurvinton wrote:
> 
> If you have an advanced enough ECU.  However better engine tuners than me
> have failed. It would appear that you need an additional type of accel shot
> that works off very small throttle openings. It also 'may' only be fully
> alleviated with sequential injection. Not many have this feature, although I
> am willing to believe that there is stuff for that buried in GM code.
> 
> I have yet to find an aftermarket unit that would cope with this though.
> Must be one out there.
> 
> caveat: all the stuff I have direct and peripheral experience with has hoopy
> cams in it, which may not help.
> 
> Bill


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