|
Re: '87 4.3 TBI to 5.0 TPI from '87 Firebird
I thought it was to do with the plenum and intake runners that don't flow well at high rpm's 4500+. That is why most that I have seen swap in a LT1 intake and plenum to get the upper rpm flow.
Just an observation I've seen in the past.
__________________
1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73
1992 Camaro RS 305 TBI
|