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Old 12-31-2012, 12:12 PM
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AMC Valve Lash Adj

Greetings, I have a question regarding valve lash adjustment on a AMC 401 Tuff Dawg engine. I have about ninety minutes run time on motor and was thinking about when would be a good time to check adjustment and process of checking/adjusting valves. This being a performance engine is there a specific gap to shoot for. Thanks

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Old 12-31-2012, 12:29 PM
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Why do I get the feeling that this is a plug for Tuff Dawg rebuilders?
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Old 12-31-2012, 12:40 PM
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Im guessing a solid cam? New engines get a full visual check/fluid check,leak check first time its shut down.
Fill up fluids,make notes, drive a few minutes,recheck any flaws noted from first check,repeat until no changes noted or repairs made.
Drive it up and down the RPM range a few times,first time 1/2 throttle, then a couple full throttle pulls,10% below red line.
recheck,listen,look.

Im ready to race
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Old 12-31-2012, 12:52 PM
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Valve adjustment

I bought engine from guy who was going to put into a 77AMX but he passed away and I'm finishing up where he left off. The dust ment I was wondering about is valve adjustment. Thanks
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Old 12-31-2012, 01:14 PM
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Quote:
Originally Posted by gala roc View Post
I bought engine from guy who was going to put into a 77AMX but he passed away and I'm finishing up where he left off. The dust ment I was wondering about is valve adjustment. Thanks
Google Tuff Dawg. Their phone number should be on their site. Call them and ask your questions.
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