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Joined: Apr 2004
Posts: 191
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Apr 2004
Posts: 191 |
I am seeking best method of valve adjustment on a 1940 - 216. The shop manual says to adjust to spec's - intake .006, exhaust .013 after engine temp stabilizes or (other way) adjust valve rocker arm open until it starts clicking then tighten till clicking stops and lock off, repeat on all valves. Seeking your opinion on best method. Thanks,
six volts forever
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
The valves are adjusted with a feeler gauge,engine at full operating temperature and running at idle speed....as per shop manual.Don't understand the "other way" and it is not shown in the CHEVROLET shop manual????
Gene Schneider
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Joined: Oct 2002
Posts: 119
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Oct 2002
Posts: 119 |
Chevgene is right. You should do it the shop manual way. Run the engine for at least 30 minutes. Idle the engine as slow as possible, if you've not done this before you may wish for 3 hands but you'll get through it.
Chevy lover
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
Use a boxed end wrench for the lock nut-stubby screwdriver for the adjusting screw...when adjusted correctly the feeler gauge should slide thru between the valve stem tip and rocker arm with a little resistance.If it hangs up its too tight-
Gene Schneider
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Joined: May 2002
Posts: 6,149 Likes: 42
ChatMaster - 6,000
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ChatMaster - 6,000
Joined: May 2002
Posts: 6,149 Likes: 42 |
I generally adjust valve clearance with engine fully warmed but not running, makes it much easier to get an even setting.
Each to their own of course.
Tony
1938 1/2 ton Hope to drive it before I retire
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