I'm not sure if your asking what's 10% of a tri-five wheel base or what 10% of wheel base means. Since I don't know the wheel base I'll just give a hypothetical. If wheel base is 110" you can set the engine back 11" from it's stock position, which should give better weight transfer to the rear wheels for better traction.
A blower motor, either big(871) or small block(671) with a 4spd, is a ball to drive. The 348 would be my distant 3rd choice. Top off the combo with a 57-64 olds/pontiac rear with 4.10 or 4.30 gears and hang on!!!
Let us know what you decide /al
setting the motor back and running a blower can be a pain to adjust the dizzy,but that problem can remidied by running a summers bros front dist drive that runs off the timing chain cover. i setting my 57 up with a blower and a summers unit.will be posting pics soon.
A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds, troubleshooting, maintenance, and more! Open to all models including Belair, 210, 150, Sedans, and Nomads.