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Can i use a flat tappet cam in a roller block

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Can i use a flat tappet cam in a roller block

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Old 12-18-2012 | 06:24 PM
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I agree, get a take out stock roller set-up, you can get them for next to nothing.
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Old 12-19-2012 | 02:31 AM
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Originally Posted by ezstriper
well yes you can, but would not...merc did it on the gen VI 525sc's, just rebuilt 2 early this year, but switched to new rollers from marine kinetics...Bob did a great job making them close to stock...
Which timing set do you use,gen 5 or gen6?
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Old 12-19-2012 | 06:41 AM
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gen6
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Old 12-19-2012 | 07:07 AM
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yes, have to use gen VI because of timing cover, but were using a roller...

Last edited by ezstriper; 12-20-2012 at 06:45 AM.
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Old 12-19-2012 | 07:22 AM
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Thanks for your help guys!
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Old 12-19-2012 | 05:41 PM
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No, you'll have to use a IV or V timing set. The VI is for a step nose cam and will not work on your flat tappet. Some doubles fit inside the stock timing cover but if you have any clearance issues you can just use a good quality single, or get an aftermarket cover.
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Old 12-19-2012 | 05:54 PM
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I have found a roller and springs so I think we're going that route. Anyone have a set of push rods for a Gen 6?
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Old 12-21-2012 | 11:34 PM
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you said you found a gen6 block it is mage for roller cams just like the gen 5 . all your old parts should fit .ive built lots of them.

Last edited by protechcoat; 12-22-2012 at 12:06 AM.
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Old 12-22-2012 | 12:25 AM
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Originally Posted by protechcoat
you said you found a gen6 block it is made for roller cams just like the gen 5 . all your old parts should fit .ive built lots of them.
Gen 5 had flat tappets. He needs pushrods for his new roller set up.
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Old 12-22-2012 | 07:36 AM
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you are going to need to assemble engine and then check to see what length push rod you are going to need...
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