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  #16 (permalink)  
Old 01-13-2013, 09:17 AM
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Quote:
Originally Posted by cobalt327 View Post
Yes- on the bolts that go into the water jacket.

Carb to intake torque is about 15-20 ft/lb for a 5/16 fastener. Use no more than 12-15 ft/lbs (spec is 144 in/lb) on the long through-bolts if bolting on a Q-jet or the casting can warp.

If you're using a thick insulator gasket, retorque until it takes a set, don't overtorque it hoping to make it stay tight.

I always recheck the carb to intake bolts on a new build along w/the intake to head and header fasteners after every heat cycle until everything settles in.

Truth be told, you can just tighten the fasteners by feel- snug them down plus "a little bit".
My question was either/or and you just said YES so I figure that means I can use either of them for the water pump? ANSWERED: I was writing while you replied again.

My carb has nuts, not bolts, and that's where my doubt comes in.
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  #17 (permalink)  
Old 01-13-2013, 09:22 AM
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Originally Posted by cobalt327 View Post
I'd use a sealant (either will do of the two you mentioned, just not RTV). That area of the block doesn't get much hotter than the coolant temp, so unless the "low temp" sealer is below 350 degrees or so it should be fine.
I'm going to buy the one you showed on that wiki page Permatex Thread Sealant with Teflon #80632
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Old 01-13-2013, 10:35 AM
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I use #80632 personally so I can vouch for it. Inexpensive and effective.

The other "go to" sealer I use is Permatex #2. It's thick, so on precision assemblies where torque is low and uber important, I wouldn't necessarily recommend it. But for room temp and above assembly areas (it thickens a lot when cold) w/torques that are over 50 ft/lb, or for freeze plugs, etc. I have no qualms using it.
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Old 01-13-2013, 11:22 AM
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Did you see the carb mount nuts picture I posted? Should I use the "...just tighten the fasteners by feel- snug them down plus "a little bit"..." on them?
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Old 01-13-2013, 08:44 PM
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Originally Posted by PRHeloPilot View Post
Did you see the carb mount nuts picture I posted? Should I use the "...just tighten the fasteners by feel- snug them down plus "a little bit"..." on them?
I would. I have to admit here that I have never used a torque wrench on a carb to intake fastener.

I "choke up" on the wrench or ratchet I use to tighten the fastener. That way I don't inadvertently over tighten it. Not very scientific but it has worked for me.
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Old 01-13-2013, 09:08 PM
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Will do then. Thanks.
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