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Old 06-16-2007, 12:30 AM
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Head fastener recommenration

Ive been throwing ideas around in my head for a while.
I know studs are more reliable but will bolts be sufficient.
My setup will be a 383 with approximately 11:1 cam has .525/.540 lift and 242/252 dur @.050 would studs be a necessity with this kind of compression or would bolts be fine.

both options would be ARP.

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Old 06-16-2007, 12:57 AM
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The factory`s used bolts in engines with higher compression than that. But if it were me I would use studs. I would feel safer with studs than bolts.
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Old 06-16-2007, 01:02 AM
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I'm leaning towards the studs for a couple reasons, they save the threads in the block and aren't much more expensive than bolts 129 isn't a bad price for consistancy
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Old 06-16-2007, 07:50 PM
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I personally prefer bolts for a few reasons. The new generation of stuff from companies like ARP are overkill even at your pressures. Studs sometimes interfere with headers (which is a very small thing, but can be inconvenient making you grind on the flanges of your sexy ceramic coated headers.)

I also like the fact that when (notice I didn't say if ) you blow a gasket, drop a valve, yadda yadda, removing a head in a car with studs almost always means pulling the engine. Removing the head with bolts is easy as pie.
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Old 06-16-2007, 08:49 PM
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I think stock bolts, properly torqued, would work fine. If you do use aftermarket bolts or studs, they should be used when the block is torque plate bored and honed.

tom
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Old 06-16-2007, 10:54 PM
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Agree with the other member who said the factory used higher then 11:1 with factory bolts. If your machine work has already been done you should use whatever fastener was used with the torque plates.
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Old 06-17-2007, 11:29 AM
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thanks for the advice I think I will go with the ARP bolts then as my machine work hasn't been done yet.
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