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Re: [TR] Swapping TR3A block for a TR4(A?) Block

To: "'Allan Reich'" <areich@telus.net>, <triumphs@autox.team.net>
Subject: Re: [TR] Swapping TR3A block for a TR4(A?) Block
From: "Randall" <tr3driver@ca.rr.com>
Date: Wed, 24 Sep 2008 16:35:38 -0700
> I have acquired another block from a club member ( Ser # CT25743E)
> which I think is from a TR4 or TR4A.

Should be a 63 TR4, I believe.

> Can anybody tell me what
> won't work and what I will have to acquire?

AFAIK, the block castings are identical.  You'll need to swap the front
plate from your old engine; and of course keep the main caps from the new
engine but I believe everything else should interchange.

Don't forget to look at things like cam bearings, and the bushing that
carries the oil pump drive shaft.

Randall
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