PLAY-DOH?!?!
now thats something i didnt know 
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| I'm in need of a few clearances https://slantsix.org/forum/viewtopic.php?t=4906 |
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| Author: | Slantosis [ Thu Jan 30, 2003 7:52 pm ] |
| Post subject: | I'm in need of a few clearances |
Can anyone help me find these specs? All of these are for a stock 225 slant six. Valve to piston clearance Piston to cylinder clearance wristpin to piston clearance rod to wristpin clearance rod to crankshaft clearance crank to mains w/ bearing clearance piston TDC to deck clearance Thanks |
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| Author: | Doctor Dodge [ Thu Jan 30, 2003 10:06 pm ] |
| Post subject: | |
OK, I will give this a shot.... The actual parts you use will have some effect on these numbers so as they say, " Your results (clearances) may vary" See Below: Valve to piston clearance @ .08 Piston to cylinder clearance : Cast pistons @ .0015, Forged @.0035 (street) wristpin to piston clearance @.001 rod to wristpin clearance = Press Fit rod to crankshaft clearance @ .001 to .0015 crank to mains w/ bearing clearance @ .002 to .003 piston TDC to deck clearance = Where ever it ends-up, (unless it's a quanch set-up) stock is about -.140 to -.165 |
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| Author: | Slantosis [ Fri Jan 31, 2003 12:37 am ] |
| Post subject: | |
wow that's perfect, thanks a lot Doc |
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| Author: | Dart270 [ Fri Jan 31, 2003 6:57 am ] |
| Post subject: | |
Just to add a bit more... The valve-piston clearance on a stock motor is something like 0.4", but gets less as you put in bigger cams, mill the head, or go to a shorter deck height (pistons higher up or deck mill). I measured this clearance on my Slant with stock bottom end, but 0.090" milled head and MP 0.490" cam and still got over 0.250" clearance. The 0.080" clearance that Doug gave is a minimum clearance, and you should measure yours (play-dough on top of piston and turn motor over slowly with all assembled). Lou |
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| Author: | Justin [ Fri Jan 31, 2003 2:24 pm ] |
| Post subject: | |
PLAY-DOH?!?! now thats something i didnt know
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