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Old 05-18-2022, 09:47 PM   #10
May70
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Re: Holley referencing a wide vs narrow frame -help

Quote:
Originally Posted by Jason Banks View Post
Have you seen this thread, post #37
https://www.67-72chevytrucks.com/vbo...=790866&page=2

Where Todd mentions the wider frame rails of the earlier trucks?

Seems like you have this worked out. I would bet, if the factory engine stands are interchangeable between C10 and C20, the Holley probably would be too.

I was always under the impression that the C20 frame rails are taller, but that may not start until under the cab.
Jason- I read it before I ran into this and forgot. Could you please confirm:
-Your frame is a c20 and what year
-Measure the width of one frame rail at the middle engine mount hole (2 3/8" or 1 3/4"?)
-Which engine mount part number did you order

I think if you could confirm that I could probably confirm my guess. All is much appreciated Gents
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