79' Y84 SE Build

banditsally

New member
Joined
Jul 17, 2020
Messages
1
Reaction score
1
Points
3
Location
minneosta
Just had my 403 olds motor and transmission redone.

The motor was on the dyno.

Stock Specs: 185HP / 315 ft.-Lbs. torque / 7.9:1 compression

My new Build Specs: 351HP / 437 ft.-lbs. torque / 10:1 compression

The body is in the shop.

403 dyno.jpg
403 transmission.jpg
403.jpg
 
Last edited by a moderator:
  • Like
Reactions: Knightrider189

Knightrider189

Well-known member
Joined
Dec 26, 2018
Messages
43
Reaction score
52
Points
18
  • Like
Reactions: Pontiac Trans Am