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[oletrucks] 261 or 235?

To: "Jack Halton" <safesix@earthlink.net>,
Subject: [oletrucks] 261 or 235?
From: ADvent@thuntek.net
Date: Tue, 09 May 2000 18:10:16 -0600

I still cannot determine whether two engines I have are 261's or 235's. On my 50
 ton, the numbers are between the distributor and the draft tube, not so on the
other engines. There are some casting pads for a side mount, maybe? Where else
can I look for the casting numbers? I have cleaned the entire length of the 
right
side of the motor. To the from t of the draft tube is a cast in "GM" and a 14.
The numbers on the pad to the left (rear) of the distributor are not the engine
numbers. I don't want to pull the head to find out. BTW, what is the bore and
stroke for the 261? How far can it be punched out or stroked?

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