The reality of it is
you can only tune out so much at idle
It is possible to have too much injector or over injector
As the motor cannot physically use that fuel that early and or air is not moved soon enough
I did a car for someone with a stock turbo/intercooler stock motor setup in a gn years ago
It had the trans done and later we put a what we thought was a converter in it lol
On a 255 6015 drag radial on the stock rims with a 3.70 rear gear
pump gas alky car and it was nice to drive and ran...
Ive posted on this before but I can get a little more rpm specific.
Back in the day
On a stock motor (mild port stock iron head)build stock maf/ecm 3700+lbs
49 turbo 28 tall tire
I ran 80+mph on the highway around 2600 rpm in 4th gear.
1.4 60fts,6.6 1/8 mile,10.6@125 1./4 mile.
What was neat...
I have more than one Buick and the combinations are very different
From a 109 to a stage 2 with stage 2 heads
But my cars are no time cars.
So I would prefer to keep my combinations to myself at this point.
I have alot of experience with various rear gear sets.
If you ask a specific question I...