This is our (my dad and me) current crazy build, this thing is going to be nasty. Lots of torque horrible gas mileage and the ability to install a perma-grin on anyone's face.
engine specs on our GTO motor.
455Ci 1970 Pontiac V-8.
The engine was balanced and blue printed; the rods were shot penned, lightened, and polished as well as heat treated.
(all engine work done by T&P performance in San Antonio TX)
Block
59, Pontiac rods
Bored .060 over
12.5:1 C.R.
Lightened crank
lunati Cam shaft (P256-263-108)
ARP rod bolts
Head
Competition valve job
intake valve 2.11 exhaust valve 1.77
Drive train
we are running an M21 tranny with a 12 bolt BOP (Buick,Olds,Pontiac) rear end. I want to say our rear end is a 3.08 but i might be wrong ill have to double check the casting numbers again.
This is just to get her running we will be upgrading these parts in the future. Im interested in trying a 4 spd super muncie tranny, iv heard their capable of 600whp.
Here our some estimations for our 3,000 pound machine
500whp (easily)
550 lb/ft of torque (easily)
12.5 second quarter mile on street tires (not a street slick but full radials, also with full interior)
Later down the line ill have more info on this build we have alot of options right now and im in the process of sourcing parts.
Should be something along the lines of
*suspension upgrade's
*front drum to disk conversion
*also we will be addresing a bunch of issues ill keep you guys posted
For now lets say were figuring out how to raise the motor so the headers will clear, installing and cleaning all parts needed for fuel delivery, and figuring out how we want to do the roll cage on this car.
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