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PTV for 228R...Shoud I check?

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Old May 16, 2012 | 02:49 PM
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Default PTV for 228R...Shoud I check?
I did a huge archive search to see if this cam has caused anyone problems with PTV clearence and didnt find any. My heads are milled .020, and I have seen guys with .030+ with good clearence.

I'm considering NOT checking...If I did I would have to source down some solid lifters and/or checking springs and associated tools. I would hate to spend $$ if there is is no reason too. Thoughts?


Am I dumb??
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Old May 16, 2012 | 03:44 PM
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I don't think you'll have clearance issues but it's ALWAYS a good idea to check. For a $20 PR checker isn't worth trashing a bottom end and a set of heads
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Old May 16, 2012 | 06:39 PM
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Originally Posted by parks450
I don't think you'll have clearance issues but it's ALWAYS a good idea to check. For a $20 PR checker isn't worth trashing a bottom end and a set of heads
Whats a PR? Push rod checker? I have one of those.

I dont have low tension springs nor Sold lifters.
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Old May 16, 2012 | 07:53 PM
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What's you lsa? valves? Rickenbackerman just put in a 227r on a 114+1. On milled Afrs with 2.055 intake valves and probably .040 cometics. Might look at that thread, I believe he had 0.120 ptv.
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Old May 16, 2012 | 08:10 PM
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I wouldnt worry about it man.... I ran a 230/238 on milled .040 317 heads with 2.08 valves and they did kiss the pistons but ran like a champ and made 463 hp so your stock heads milled and that cam shouldnt have any ptv cleatance issues.
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Old May 16, 2012 | 08:50 PM
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Yes a push rod checker. You shouldn't have a problem but is check to be safe.
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Old May 16, 2012 | 09:15 PM
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Yeah you should be more than fine, but yes always check, better to be safe than sorry
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Old May 16, 2012 | 09:56 PM
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I always recommend checking P/V clearance when adding an aftermarket cam. IMO, I think you are safe.
Last edited by TVWilkes; May 17, 2012 at 07:44 AM.
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Old May 17, 2012 | 07:39 AM
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you guys are talking about 2 different things here. OP is talking about piston to valve clearance. others are talking about valve lash and pushrods. totally different animals.
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Old May 18, 2012 | 01:02 AM
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in regards to pushrods... is there any way to measure your pushrod without pulling it out?
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