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Re: The great oil pan gasket question for big block mopar
[Re: 1964superstock]
#2126074
08/05/16 07:58 PM
08/05/16 07:58 PM
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Joined: Jan 2003
Posts: 14,545
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,545
So. Burlington, Vt.
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Fwiw, I smear permatex ultra black between all four surfaces....... Block, both sides of the tray, pan.
If what you have now is a fairly small leak, you might be able to cure it by really cleaning off the area around the leak, and smear some black "right stuff" all over the top of where it's leaking, and let it cure overnight.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: The great oil pan gasket question for big block mopar
[Re: 1964superstock]
#2126110
08/05/16 08:45 PM
08/05/16 08:45 PM
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Joined: Jan 2003
Posts: 14,545
So. Burlington, Vt.
fast68plymouth
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 14,545
So. Burlington, Vt.
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Sorry, no.......gaskets with ultra black on both sides...... A thin smear.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads
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Re: The great oil pan gasket question for big block mopar
[Re: ccdave]
#2126121
08/05/16 08:56 PM
08/05/16 08:56 PM
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Joined: Jan 2003
Posts: 13,053
Benton, IL.
DaveRS23
Master of nothing...
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Master of nothing...
Joined: Jan 2003
Posts: 13,053
Benton, IL.
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ZERO leaks with this windage tray / gasket.....  That combination gasket/windage tray has been on my last 2 builds. It is the way to go. Just for a little extra insurance, I spread Hylomar on it. No leaks AND it will come apart and go back together with no issues. That is with the repop Hemi/Six Pack pan. I have had them apart several times and they seal as good as new. Besides, they are much easier to get into place than 2 gaskets, a tray, and a pan being twisted around the pick-up. 
Master, again and still
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Re: The great oil pan gasket question for big block mopar
[Re: bee1971]
#2126218
08/05/16 10:52 PM
08/05/16 10:52 PM
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Joined: Jan 2003
Posts: 13,053
Benton, IL.
DaveRS23
Master of nothing...
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Master of nothing...
Joined: Jan 2003
Posts: 13,053
Benton, IL.
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For every one that says it works with the factory oem oil pans with embossed rails like my 402 oil pan , another says it will leak
General consensus was they only worked on rigid flat aftermarket oil pan rails Actually, in this tread there are 3 responses that were positive for the composite tray with gasket and 2 that were negative. And I use the Superformance gaskets everywhere on my engines, except the pan, head, and on Hemi valve covers.
Master, again and still
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Re: The great oil pan gasket question for big block mopar
[Re: bee1971]
#2126488
08/06/16 11:27 AM
08/06/16 11:27 AM
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Joined: Jan 2003
Posts: 13,053
Benton, IL.
DaveRS23
Master of nothing...
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Master of nothing...
Joined: Jan 2003
Posts: 13,053
Benton, IL.
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That's a good idea; an oil pan gasket shoot-out. I use Hylomar on nearly everything. Almost no gasket goes on my motors unless it gets Hylomar. I don't know if the pan gasket even benefits from it, but it can't hurt anything and doesn't impact pulling it apart. My preference for the combo tray/gasket actually has more to do with convenience rather than sealing. The pan gasket is one area that I have not had any sealing issues with any of the better gaskets. It is just easier to get the tray/gasket combo in place when under the car and hasn't given me any leakage or seepage issues, so I use it. 
Master, again and still
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Re: The great oil pan gasket question for big block mopar
[Re: 1964superstock]
#2126633
08/06/16 04:47 PM
08/06/16 04:47 PM
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Joined: Oct 2003
Posts: 4,020
South Park, Pa.
68LAR
master
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master
Joined: Oct 2003
Posts: 4,020
South Park, Pa.
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From first hand experience, what is the best way to prevent new oil pan gaskets on a 440 engine from leaking? My 440 is now a 505 ci stroker, using a Chenoweth main girdle, windage tray, and Milodon oil pan. It runs great, but the oil pan is leaking bad at the rear. The rear main seal is dry. I want to fix the oil pan leak right and be done with it. I am considering using the Fel-Pro 1834 oil pan gaskets, or the Superperformance #2585 oil pan gaskets. Is one better than the other? When using a two Fel-Pro 1834 oil pan gaskets with a windage tray, would it be most likely leak free using Permatex� Ultra Rubber Gasket Sealant & Dressing Part Number 85409, or���.by using Permatex� Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker ? OR....don't use any sealant or silicone? Would this be the same for Superformance oil pan gasket #2585 ? Fel-Pro 1834 oil pan gasket, 2 piece steel and rubber: http://www.fme-cat.com/overlays/part-det...&brandId=FLhttp://www.summitracing.com/parts/fel-1834Superformance oil pan gasket #2585 http://www.manciniracing.com/suoilpangase1.html I use the cheapest cork gasket(s), with aviation cement. No leaks. Got to leave it set up over nite though, and do not over tighten..
4 speed street legal. Best time 10.99 @ 124 mph on 93 octane pump gas @ 3926# total weight
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Re: The great oil pan gasket question for big block mopar
[Re: GTX MATT]
#2126874
08/06/16 11:54 PM
08/06/16 11:54 PM
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Joined: Dec 2007
Posts: 12,593
Great Neck,LI,new york
hemi-itis
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 12,593
Great Neck,LI,new york
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Superformance, if you are going to buy one gasket from them make it the oil pan gasket. Cork oil pan gaskets want to compress to easily and bulge out, paper rips. Superformance stays nice and doesn't compress out of the side of the pan with 15 inch pounds of torque on each bolt. Hands down best gaskets I've seen, wish I had bought a whole kit from him before I got my engine half together. No RTV. Let the gasket do the work, even with the cork fel pro junk. I smear a little where the timing cover meets the block though. Don't go crazy. <img src="/ubbthreads/images/graemlins/thumbs.gif" alt="" /> What he said!!!!
HEMI-ITIS has no cure.
My condition is fully BLOWN!!
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Re: The great oil pan gasket question for big block mopar
[Re: ccdave]
#2126949
08/07/16 03:09 AM
08/07/16 03:09 AM
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Joined: Aug 2007
Posts: 568
WA
tman
mopar
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mopar
Joined: Aug 2007
Posts: 568
WA
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Last edited by tman; 08/07/16 03:10 AM.
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Re: The great oil pan gasket question for big block mopar
[Re: bee1971]
#2126950
08/07/16 03:10 AM
08/07/16 03:10 AM
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Joined: Jan 2003
Posts: 2,807
541 slobovia
A990
master
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master
Joined: Jan 2003
Posts: 2,807
541 slobovia
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I have used Permatex Aviation Gasket Maker in the past on a few items
Hylomar seems to be a name brand
Looks like Perrmatex used to make there own version
Where to buy ???
Hylomar is awesome. It's about all I use anymore. Developed by Rolls Royce for the RAF in WWII it is non hardening and makes for easy disassembly. Hylomar websiteI can get it at Napa under the Permatex brand, but I see Amazon stocks a bigger lineup, including the anaerobic sealers Hylomar Blue
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