Re: [Amc-list] 196 pistons

[Frank Swygert <farna@xxxxxxx>]

Flat-tops are easier to get? Not in that bore size and pin height! The only ones I know of are the 196 L-head pistons. Bore is a small 3.125". 

Take a close look at the chamber and piston. Factory compression is 8.7:1. With the size of that offset dome I'd be surprised if you could keep compression up to 8:1 with flat top pistons and shaving the head. That engine doesn't need the power loss in the big car either. The rods won't be a problem -- factory crank and rods are forged steel. A slightly longer rod would mean a shorter piston pin height, but those rods are pretty long (over 6") -- I doubt you can find a piston/rod combo that will fit. 

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Date: Fri, 18 Jul 2008 01:07:48 -0700 (PDT)
From: d stohler <das24rules@xxxxxxxxx>

so, i was wondering, if i rebuild this engine, whats wrong with going with some more common, easier to get flat top pistons, and shave the head down to close up the chamber, and have small reliefs in the pistons to clear the valves. maybe put in some rods that are easier to get ahold of that can be machined to fit? 

-- 
Frank Swygert
Publisher, "American Motors Cars" 
Magazine (AMC)
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