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Old 08-22-2016, 06:18 PM
carpoor carpoor is offline
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Did some tear down on the 402 last night, wanted to measure a few things. I am going to have to run a cam with a decent amount of overlap to bleed off compression for pump gas. With the closed chamber heads, it comes in at a tick over 10:1 SCR. I think I have it narrowed down to a Lunati "bootlegger" cam. Should have a nasty idle, hope it's fun.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
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Last edited by carpoor; 08-22-2016 at 06:21 PM.
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Old 08-23-2016, 07:38 AM
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chevymaher chevymaher is offline
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Quote:
Originally Posted by carpoor View Post
Did some tear down on the 402 last night, wanted to measure a few things. I am going to have to run a cam with a decent amount of overlap to bleed off compression for pump gas. With the closed chamber heads, it comes in at a tick over 10:1 SCR. I think I have it narrowed down to a Lunati "bootlegger" cam. Should have a nasty idle, hope it's fun.
When your done you will grace us with the mandatory idling video I hope.
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Old 08-23-2016, 01:01 PM
carpoor carpoor is offline
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I will have to borrow a GoPro from a friend and figure out how to post it.

I started pricing "shelf cams", and the cost is getting up there. I am going to call Chris Straub Friday and see what he can get me for similar money.
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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