Thread: BBC Cylinder Head Lift
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02-22-2010 04:14 AM #1
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BBC Cylinder Head Lift
I was wondering if anyone is running 781 heads and how much lift do you have? I'm looking at a set right now and wondering how much lift they can handle. The cam i wanna get is .544/.564 lift and 226/234 duration.
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02-22-2010 04:21 AM #2
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Originally Posted by Hoss Blazer
I was wondering if anyone is running 781 heads and how much lift do you have? I'm looking at a set right now and wondering how much lift they can handle. The cam i wanna get is .544/.564 lift and 226/234 duration.
Your open chamber heads should not have any issues up to 574/.578 lifts
Bill S.Instead of being part of the problem, be part of a successful solution.
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02-22-2010 06:34 AM #3
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That's what i was thinking as well. Gonna do a port job on them, grind the valves and seats. Then maybe get some stiffer springs as well.
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You're welcome Mike, glad it worked out for you. Roger, it's taken a few years but my inventory of excess parts has shrunk a fair bit from 1 1/2 garage stalls to about an eight by eight space. ...
1968 Plymouth Valiant 1st Gen HEMI