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John,
Chris lent me his tool once and I put it in CAD. Basically, its a standard depth gage fitting for a dial gage with a ~98mm diameter curve hogged out of it on the bottom. Then the corners were ground to fit between the studs. Note, also that the tip of the gage is ground as well such that it would contact the small flat lip on his 3.4's pistons. I don't think this kind of block will help you here with your piston style.
Your idea with the gage blocks will work fine. Parallels would also work, I suspect, if your blocks are not long enough to span the cyl at the right spot. I think the Chevy style would actually be best for your piston configuration.
As for actually getting the measurement you want I'm not sure you are on the right track... Deck height is a measurement to make sure that the piston does not hit the head... right? If you simply do the math i'm not sure you will be checking correctly. What I'm trying to say is you don't know the curve on your piston and it may be that the closest point between head and piston is not at the edge where your calculation will be measuring. This could just be my inexperience in engine building showing caution here. Solder method would catch this I think.
Best regards,
Michael
Best regards,
Michael
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 Michael
'82 Euro SC 'Track Rat' 22/29 Hollows, 22/22 Tarrets, Full ERPB F/R, Rennline Tri Brace, Glass bumpers, Pro 2000's, 5 pts, blah blah blah
'13 Cayenne GTS
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