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the guy claimes to be an engine builder,scarry thought right there.
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Originally Posted by lil red
(Post 4046706)
Measured an srp piston from a 540 as I tore it down today. This was actually sparked by a conversation the other night when one "engine builder" was describing the shoddy work of another saying how loose the pistons were in the bore as he measured with. A feeler gauge above the ring land with the piston in the block..... Yes measured piston to wall with a feeler gauge.... Anyway on these pistons above the top ring was .030 smaller diameter than the skirt.
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Originally Posted by Black Baja
(Post 4046778)
Who needs a bore gauge when you have a feeler gauge? I guess you could put the whole motor together with a feeler gauge. Just bolt your caps on and jamb a feeler gauge in...
Anyone that sticks a feeler gauge, from the top of the piston down to the ring is a complete -------------- IDIOT! Not even going to explain; piston barrel design. |
Mean cam ground pistons designed to only be round when they thermally expand? Blah that's a myth lol!
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He must be referring to measuring ring gap with a feeler gauge... Right??
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I wish he was....
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MERRY CHRISTMAS! Thanks guys tor the info. I forgot about the skirt vs ring lands. Have anyone heard of the rear 2 cyl 7/8 loosing comp over time (a season) of hard running? I forget who mentioned it but said chevy bb have a tendency to do this? Sounds kind of crazy to me but..........All were at 170 to 150 psi but 7/8 were at 90.
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