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Old 01-07-2008, 08:51 PM
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Need Answer Fast - SBC LT1

What is the difference between the early model SBC motors and an LT1 motor out of a 1996 Z28? Will the heads off of the LT1 fit a 70's 350 or 400 SBC?

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Old 01-07-2008, 09:22 PM
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Quick answer, no. LT1 heads will not fit an early sbc. The LT1 is a reverse flow engine in that coolant flows in the reverse direction. The coolant ports (as well as others I believe) do not match up.
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Old 01-07-2008, 09:52 PM
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Do a search, tons of info recently here.

There are similar in some aspects; crankshafts, pistons, rods, valvetrain, and a couple other tihings interchange. Heads, water pump, intake, distributor, timing set are all different.
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Old 01-07-2008, 10:08 PM
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It has been done,but the coolant ports have to be welded up heads re surfaced new ports drilled,In the end its not really worth it,I had a website where they put LS series heads on a FORD but then my bookmarks went bye
bye .
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Old 01-08-2008, 12:07 AM
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As was mentioned, it could be done (but really what can't these days). But its not really a viable solution and will be more expensive than almost any other alternative.
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