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12-06-2012, 11:55 PM
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#9 |
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Member
Join Date: Jan 2006
Posts: 222
Likes: 15
Liked 58 Times in 18 Posts
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Re: 427-425hp w/GM 401 heads
The 401 head can be used on the 1969 427/430 ZL1 or L88 with 2.195 1.885 valve and 114.8cc camber also.there is a different HP. rating for the ZL1 and the L88, The ZL1 gets a bigger cam. If you use an original head casting (aliuminum) then there is a HP reduction.
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