630hp GM Bow Tie Vortec Build
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Senior Member
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Joined: Jan 2002
Posts: 575
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From: MI
Car: I
Engine: Taunt
Transmission: Mustangs
630hp GM Bow Tie Vortec Build
This isn't your average 355 CHP buildup. Deff worth a read for those who haven't already.
Blue Thunder 355
Those new vortec castings seem quite promissing. Has anyone found any information posted on them other then from GM?
Blue Thunder 355
Those new vortec castings seem quite promissing. Has anyone found any information posted on them other then from GM?
Junior Member
Joined: Dec 2002
Posts: 92
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From: Massachusetts
Car: 89 Z28
Engine: 350 with ads
Transmission: 700r4
CHP magazine just did a test of all available vortec heads with 190 cc runners or smaller. They did better than stock but not worth twice the $$$$
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
These aren't the heads used in the recent mag comparision.
Love the cam, too: 260/264 @ .050 - that would make a nice street engine.
Love the cam, too: 260/264 @ .050 - that would make a nice street engine.
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Joined: Jul 1999
Posts: 2,754
Likes: 8
From: Ahead of you...
Car: 1984 LG4 Camaro
Engine: 350 Roller Motor
Transmission: Level 10 700R4
Axle/Gears: Strange 12 bolt 3.42
I want to know how they hell they got over 600hp when the heads barely flow 275cfm. Not only that - the exhaust flow is ****-poor, almost like unported L98 aluminum heads.
Very interesting.
Very interesting.
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