Re: don't mean to spoil your fun, but-------

Posted by Mike Flanagan on July 11, 1998 at 20:50:06

In Reply to: Re: don't mean to spoil your fun, but-------
posted by carla on July 11, 1998 at 15:00:38

Carla's right, don't start the party just yet. Was there anything you saw that verified that your problem was in fact head gasket related. While the head is off you should have the block checked for cracks. Pay careful attention to inside the exhaust valve chambers. this means removing the valves so while they are out look them over well and lap them back in. Make sure the same valve goes back in the same hole. Check the head for cracks in the combustion chambers. Check the top of the block for flat then have the head planed flat. When you install the head gasket put it on with the crimp UP not down. This moves the distress from the crimp normally seen on the block to the head. A head is cheaper than a block, and more readily accessible.

And... if you do reseat the valves the increased pressure can cause the rings to start huffing and puffing .... See what you started.

God Speed under 50.

The Model A Fool.

: : Thanks for the assistance

: : The head is back on, I pulled it off as sugested and inverted the head, cleaned the mess out and soaked it for a couple hours with the penetrating oil.

: : I was pleased with what I saw lokking at the topside of the valves & pistons and pulling the sidepan: fairly clean except for a bit of carbon in all 4 chambers and wet carbon at #4.

: : Thanks again.

: : Tom, out of Lansing

: hi, tom

: all too often, valves which look perfect at first may have the seating beginning to fail.

: if you could see your way clearly to spend some time on them, it would be worthwhile, in my opinion, to have the valves out and have a good look at the valve faces and seats, and lap them in a bit, then check the tappet-clearance. if your engine hasn't been fitted with adjustable tappets, then there's nothing for it but to grind the stems, if needs be.

: just a personal opinion, of course, but i think it might be better done whilst the head is off anyway, than risking a burnt valve later.

: sorry about that

: carla




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