Thread: 87 Octane OK?
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Old 10-04-2023, 11:21 PM
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grivera grivera is offline
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Join Date: Feb 2005
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Quote:
Originally Posted by Tim Corcoran View Post
Don't forget it's .068 over and has a 4 inch stroke not 3.75

Heads have been milled quite a bit, 3.08 gears. Didn't do compression hot only cold 105/110
I was responding to android who posted he built a .040 400 with 6x4s that runs well on 87.

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Will Rivera

'69 Firebird 400/461, 290+ E D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears
‘66 Lemans, 455, KRE D-Ports, TH350, 12 bolt 3.90 gears
'64 LeMans 400/461, #16 Heads, HR 230/236, TKO600, 9inch Rear, 3.89 gears (Traded)
'69 LeMans Vert, 350, #47 heads: Non-running project