primary sizes
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The difference will be "significant".
Exact HP #'s - well, that's a little harder to predict.
Exact HP #'s - well, that's a little harder to predict.
Joined: Feb 2001
Posts: 13,756
Likes: 560
From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
They won't kill you but you will see more power with larger tubes based on your sig set-up. But to help put it into perspective, LS1's have 1.5 primaries from the factory and they can put over 330 to the wheels before they put on headers. However when they do switch they get like 26 at the wheels.
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