Re: 8 3/4 pumpkin gasket/sealer?
[Re: wkroncke17]
#2451893
02/14/18 10:58 PM
02/14/18 10:58 PM
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Joined: Jul 2011
Posts: 956 Chicago
PurpleBeeper
super stock
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super stock
Joined: Jul 2011
Posts: 956
Chicago
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IMO, either would work fine. I've had good luck with just the part-store gaskets, but I've only changed my pumpkin once. If it looks pitted on the surfaces at all you might want a bead of RTV. You don't really need any gasket tack because the gasket will stay in place on the housing studs.
And don't forget those pumpkins are heavy when you're trying to lift it up into place & start some nuts! Now would be the time to put a rear end gear ratio tag on there too.
fyi- I have a 71 Mr Norm Dodge Demon 340 six pack air cleaner. PM me if interested
70 Roadrunner convt. street car
440+6, NOS, 4-spd, SS springs
'96 Mustang GT convt. street car
'04 4.6 SOHC, NOS, auto, lowered
"Officer, that button is for short on-ramps"
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Re: 8 3/4 pumpkin gasket/sealer?
[Re: ahy]
#2451920
02/14/18 11:58 PM
02/14/18 11:58 PM
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Joined: Jan 2003
Posts: 20,510 Eagle, Idaho
Neil
The Doctor is in.
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The Doctor is in.
Joined: Jan 2003
Posts: 20,510
Eagle, Idaho
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Permatex makes a gear oil specific sealer. Want to say the tube is grey with white lettering? It does work good and you can get it apart without using a hand grenade.
I stopped buying the generic blue and black RTV and have been seeking out products that are more tailored to whatever fluid it's making contact with.
I once put a Ford 8" rear together without a differential gasket and it didn't leak. If the two mating surfaces are flat it's totally possible.
Last edited by Neil; 02/14/18 11:59 PM.
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Re: 8 3/4 pumpkin gasket/sealer?
[Re: wkroncke17]
#2451972
02/15/18 01:47 AM
02/15/18 01:47 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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Good info posted. I'm assuming it ain't gonna be coming out again soon. I would clean the surfaces well/get a parts house gasket/some Indian head brush on sealer. quick easy cheap. On a toughie (stat housings) yes "the right stuff" seals em when sometimes nothing else will (thermostat housing mating surfaces are too narrow).
live every 24 hour block of time like it's your last day on earth
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Re: 8 3/4 pumpkin gasket/sealer?
[Re: wkroncke17]
#2452067
02/15/18 11:27 AM
02/15/18 11:27 AM
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Joined: Jan 2003
Posts: 13,357 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,357
Marion, South Carolina [><]
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Ultra Grey silicone here, no gasket. Nothing wrong w/ using a gasket, but I always have silicone on the shelf.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: 8 3/4 pumpkin gasket/sealer?
[Re: NANKET]
#2452137
02/15/18 02:44 PM
02/15/18 02:44 PM
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Joined: Apr 2012
Posts: 18,880 -
RSNOMO
Moparts Torchbearer
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Moparts Torchbearer
Joined: Apr 2012
Posts: 18,880
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To the silicone/sealer users: how much time do you spend scraping that off both surfaces? Thank-You...
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Re: 8 3/4 pumpkin gasket/sealer?
[Re: Neil]
#2452382
02/16/18 12:23 AM
02/16/18 12:23 AM
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Joined: Jan 2003
Posts: 5,443 Indiana
YO7_A66
master
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master
Joined: Jan 2003
Posts: 5,443
Indiana
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I also use the Permatex Gear Oil specific RTV. I also use the gasket from any of the parts stores and use this sealant on both sides. I have used it the last two times I pulled mine and it has not leaked. It's a good product 👍
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: 8 3/4 pumpkin gasket/sealer?
[Re: topside]
#2452526
02/16/18 01:22 PM
02/16/18 01:22 PM
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Joined: Nov 2003
Posts: 181 Kansas
Menzaero
member
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member
Joined: Nov 2003
Posts: 181
Kansas
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A thin smear of wheel-bearing grease on both sides of a good paper gasket has always worked for me. I really really hate leaks, but I also hate it when parts are glued together or you have to scrape gaskets off. This is what I do as well; only used RTV once and hated the clean-up when removing and reinstalling the unit. Grease and a Felpro gasket is cheap and easy.
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Re: 8 3/4 pumpkin gasket/sealer?
[Re: Menzaero]
#2452669
02/16/18 05:56 PM
02/16/18 05:56 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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As said (by some) just me I would not use RTV or TRS in that app, too much scraping to get the RTV off if you think you might be swapping pigs soon (most wouldn't be tho) & with TRS I'd about wanna put a nut on em & drive out the studs before attempting to scrape that stuff off. with cleaned surfaces expecially at the base of the studs, that a dry gasket would suffice, maybe a premium superformance one & even lubeing the gasket if frequent changes are anticipated. You do have a fairly wide contact area there. #1 check for debris.
live every 24 hour block of time like it's your last day on earth
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