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Old March 11th, 2008, 09:30 PM   #1
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Cam Clearance Issue Question


Hey guys, I'm looking to compete in the true street division next year and am pondering about cams. Now my question is, I'm looking for a cam with a .550 lift and around a 242 duration. Now my question is will I have valve clearance issues?



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Al
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Old March 14th, 2008, 11:13 PM   #2
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no one?
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Old March 14th, 2008, 11:17 PM   #3
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It depends on if your doing a stock bottom end...
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Old March 14th, 2008, 11:21 PM   #4
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Stock motor, yes you will
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Old March 14th, 2008, 11:34 PM   #5
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I have installed 30 cams in stangs in the last 5 years..I had 2 stangs I had ptv issues...take springs off #1 cly install light checking springs turn it over to tdc at split overlap check it at 10 degrees btdc and 10 degrees atdc with that much duration your going to be tight ...I like comp 270 cams for street lopey idle...
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Old March 14th, 2008, 11:39 PM   #6
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I have 238/242 at .547 and no problems(stock heads and lower),but thats with a 115 lsa
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Old March 14th, 2008, 11:44 PM   #7
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Originally Posted by tom2000r View Post
I have installed 30 cams in stangs in the last 5 years..I had 2 stangs I had ptv issues...take springs off #1 cly install light checking springs turn it over to tdc at split overlap check it at 10 degrees btdc and 10 degrees atdc with that much duration your going to be tight ...I like comp 270 cams for street lopey idle...
I believe anything with more than 232* and .550 will need a competent mechanic to degree them and check PTV. In other words you just can't drop them in and go I would degree and check PTV on any cams myself.
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