htown16
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- Joined
- Apr 29, 2009
- Messages
- 1,488
I'm getting ready to put the top end together on my 74 850 rebuild. The cylinders have been bored +20 and I gave the new pistons to the machinist and requested he measure them and to hone the bores to .0045 clearance. Pistons are Emgo and rings are Hastings. As far as I can see the pistons have no cutouts. Does it matter which direction they face or which cylinder you use them in.
The machinist didn't mark the pistons for a specific bore. Is there any quick and dirty way to check the clearance to see if one fits a little better in one bore than the other. I don't have a reliable bore gauge, could feeler gauges be used. I guess I could take it back to the machinist to have him verify the measurements but it's a pretty good drive.
The machinist didn't mark the pistons for a specific bore. Is there any quick and dirty way to check the clearance to see if one fits a little better in one bore than the other. I don't have a reliable bore gauge, could feeler gauges be used. I guess I could take it back to the machinist to have him verify the measurements but it's a pretty good drive.
