Re: Rings for H

Posted by JayWalt on December 10, 2006 at 19:56:56 from (24.223.138.48):

In Reply to: Rings for H posted by Tom Windsor on December 10, 2006 at 19:29:03:

Tom, while I dont have the experience or manuals to tell you what the bore spec should be or how to exactly go about doing it, I have a few tips for you. First, do u have the equipment to properly measure the sleeve bore? a yardstick wont work here =P.

One VERY VERY VERY important thing to do is to check for sleeve/cylinder taper. I had a 4.3L chevy engine I tore down to replace the seals cause I though the head gasket was blown. I replaced all the seals, just did a wiggle test of the pistons cause i wasnt looking to mess with them, just wanted to make sure they werent really loose. Well I only checked them in one spot, turns out later right before putting the head on, i had moved the crank to time it so the pistons were nearly 180 from what they were, and turns out one of the cylinders was serverely tapered. I had it almost all done, so i just through the head on and put it back in the truck. It burns oil in that one cylinder now, almost 1 quart for every 100 miles. I recycle my car's old oil that way and its just a hauler truck, not a daily driver. Also gotta replace the sparkplug every 1000 or so miles, but I got a boxful of those plugs, so It's not a big deal, too bad its the hardest one to get to. If I had known at the onset of the regasketing, I would have returned the gasket kit and threw in anouther 100 and got a used engine to throw in it. Hindsight is 20/20 and I leearned a valuable lession that time. Be sure to check at the top, middle, and bottom of the sleeve. I know I'm making a long post, but it would suck for someone to have an experience like I did, Not a good day that day, I tell ya.

I would also make sure u prelube the new rings/piston with some oil or assembly lube.

They do sell individual one piston/sleeve kits if you just need to replace that #4 p/s.
Hope I helped a little.

Replies:

• Re: Rings for H Tom Windsor 20:02:52 12/10/06 (0)

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