Anyone have experience with GM 12464298 heads?
Thread Starter
Senior Member
Joined: Aug 2005
Posts: 615
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From: Beautiful Tunnel Hill Georgia
Car: 67 Firebird Convertible
Engine: LB9
Transmission: 700R4
Axle/Gears: 3.55
Anyone have experience with GM 12464298 heads?
I was looking at these GM Performance heads for my Vortec motor with TPIS intake.
Anyone used them yet or know how good they work?
Thanks,
Ron
Anyone used them yet or know how good they work?
Thanks,
Ron
Member
Joined: Jun 2003
Posts: 204
Likes: 0
From: Nebraska
Car: 1986 Camaro SC
Engine: 305, AKA 30WHY
Transmission: 700R4
Well looking up the info on them, appear to be gm fast burn heads. Intake runner size is 210 cc, 2.00 intake valves, and flow 266cc at .500 lift. Appear to outdo the vortec heads, which alot of guys on here like. In terms of how good will they work would depend on a lot of variables, mainly camshaft design and compression.
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