cylinder head conversion question

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Mar 28, 2008 | 04:28 PM

camccardell

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cylinder head conversion question

I was wondering if I could convert my stock heads to have studs put into em.

I am asking if they hav a kit or do I need to machine them.. I ask because I have a few sets of stud monted roller rockers and would like to use them.

Mar 28, 2008 | 04:49 PM

MustangGT221

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From: Topsfield, MA

Would probably be better off selling the stud rockers and buying a set of pedistal rockers.

By the time you get the heads done you'll have out of pocket expense for that.

Mar 28, 2008 | 04:55 PM

camccardell

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Couldn't I just drill em out on my drill press and thread em and buy a stud kit? I mean is that all there is to it, or does it need to be milled down as well?

I've never messed wih pedistal rockers. How much are they on average? Any recommendations?

Mar 28, 2008 | 06:18 PM

HemiEater

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pedistal rockers would be the way to go if that is what you have now.. just bolt down a set and go, as long as nothing eles has changed your good. Buy them, bolt them down and go...

just goggle "pedistal rockers"

Mar 29, 2008 | 09:48 AM

TigerDan

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From: The hills of No. Calif.

It would probably cost about the same for the machine work to mill the stud bosses and then buying pushrod guide plates and hardened pushrods as it would just to buy a set of pedestal mount roller rockers, so I'd go with Hemi's advice.

If you use standard roller rockers, you have to have a way to keep them located on the valve stems or they'll flop all over the place, possibly even pushing on the retainer and releasing the keepers allowing valves to drop down into the cylinder...this is not a good thing!

If you simply drill and tap the stud bosses without milling them and then install pushrod guide plates (and you have to use hardened pushods with guideplates or they'll wear through very quickly) you will have the rockers sitting up too high and throw the valvetrain geometry all out of whack, in fact you'll probably have the roller tips of the rockers rolling right off the valve stem.

Mar 29, 2008 | 11:38 AM

Conanski

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From: Ottawa, Ontario

Crane makes a stud conversion kit for just this purpose... http://store.summitracing.com/partde...6&autoview=sku