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Old 02-16-2006, 03:45 AM   #1
MDC
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Intake Manifold Bolts?

Stupid Question
Are small block intake bolts grade 8 or just run of the mill 3/8 bolts. If so, can I use stainless? If not, where to buy the correct ones?
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Old 02-16-2006, 05:42 AM   #2
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Re: Intake Manifold Bolts?

I got my stainless from Summit. I would use anti sease(sp) on them
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Old 02-16-2006, 02:43 PM   #3
70c10
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Re: Intake Manifold Bolts?

I bought Mr. gasket ones locally. I can't get mine to seal though.
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Old 02-16-2006, 03:43 PM   #4
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Re: Intake Manifold Bolts?

they are run of the mill bolts, I like using the smaller head ones, they are easier to deal with.
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Old 02-16-2006, 07:56 PM   #5
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Re: Intake Manifold Bolts?

Thanks for the help guys
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Old 02-16-2006, 10:00 PM   #6
Fred T
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Re: Intake Manifold Bolts?

If you're using stainless, there can be problems with them if they aren't properly heat-treated. I would only buy made in USA. If you buy at the hardware store, get at least grade 5 bolts. If you need a small head go with socket head cap screws.

Also, if you have aluminum heads, don't use stainless. Even with hi-temp anti-sieze you can loose the seal and galvanic corrosion will then occur.
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Old 02-16-2006, 10:10 PM   #7
kelsfine69
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Re: Intake Manifold Bolts?

ARP makes a nice set in stainless, good quality too, and the trick is to put that liquid pipesealer on the threads, not thread tape.
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