View single post by Greg Fletcher
 Posted: 03-04-2008 10:35 pm
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Greg Fletcher



Joined: 03-11-2005
Location: Lake Nacimiento, California USA
Posts: 430
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 Not sure what Dan in Florida is working on, but it can't be a JH with the motor it came with as you would need to pull the cylinder head to remove a valve. That goes under my category of significant maintenance.

If you are adjusting any valve, it really is worth your time to check and adjust them all. A couple of Lotus mechanics back in the day told me they spec'd all the valve settings on customers cars on the high side + 0.001 or 0.002 in. extra to be sure they would not be back again any time soon for more adjustment.

When I do it on my car I prefer to keep as many years as possible between adjustments and I set them all on the high side within spec. On my last JH, I could go 40,000 miles between adjustments. A couple of hours of extra work to get this right will keep you on the road much longer. The car will run much better when the valves are adjusted correctly, so it's important to check them every year or so and keep a log of the clearances.