Oil Consumption-How much is normal?
Senior Member
Joined: Jul 2011
Posts: 5,557
From: Anniston, AL
That's good to know, Andy. I've NEVER rebuilt a car with a one piece rear main and just figured you'd have to drop the crank shaft in order to get the pistons out. So what you're saying is that you can just rotate the crank out of the way far enough to get clearance for the piston to come out completely? I didn't think that was possible. Like I said, a LOT of years have gone by since my last rebuild. And back then, a ridge reamer was a must. Every engine I did had a damned ridge around the top. Mostly Mopars and Fords but a couple of Chevys were involved too. I absolutely despised working on a Ford. Can't really explain why, I just did.
Super Moderator
Joined: Apr 2015
Posts: 3,294
From: Willamette Valley, Oregon
Sometimes it is tight but yes just rotate the crank and push the pistons out the top. If there is a ridge then there is too much cylinder wear to take rings. The block needs to be bored to the oversize that cleans the cylinders. I have had several Saturn 2.2 liter engines apart at 200,000 miles and there is no wear on the cylinders. Just a light hone with new rings and reseal the valves and back together. The new oil and better blocks make engines last much longer than when we were young. The 292 Ford my dad had rebuilt in the 60s had less than 100,000 miles and had to be bored .040” to clean the cylinders.
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