LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Converting heads to reverse cooling

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Old Jan 7, 2008 | 08:41 PM
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SS1156's Avatar
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Converting heads to reverse cooling

I have a chance to get a set of beautiful Bow Tie heads that have been worked and flow awesome. I can get them for a very good price. I was wondering what has to be done to convert them to reverse cooling?
Old Jan 8, 2008 | 09:37 PM
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search in advanced tech, there are a few threads you ll find. Roughly it costs 500 because of the coolant passages and head bolts holes need to be altered.
Old Jan 8, 2008 | 10:18 PM
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No head bolt holes have to be moved.


You have options, You can do like I did. RHS 235 heads converted BUT....I did not weld and redrill the intake side of the head BECAUSE I used a super Vic Carb style intake, I did not drill the rear of the head for the coolant crossover because I used the two rear holes in the Super Vic "T'ed" them together and ran it to the radiator.

ALso one hole for the acc bracket has to be drilled in the head on the passenger side.

Contact CFM in Indy Or Port Pros.


David
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