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#1 |
Senior Member
![]() Join Date: Jun 2010
Location: Orlando, Florida
Posts: 2,508
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Replacing fuel pump - gasket sealer or no?
I am replacing the stock mechanical fuel pump on my 350. Do I use gasket sealer, or just the gasket?
Thanks.
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71 Chevy C10 Shortbed Stepside. LT1 with 4l60E. Just got back from painter, in assembly now. |
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#2 |
Registered User
Join Date: Oct 2009
Location: Tampa Bay
Posts: 1,549
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Re: Replacing fuel pump - gasket sealer or no?
Use sealer on both sides of the gasket.
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CHEVY/GMC VIN DECODERS |
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#3 |
Registered User
![]() Join Date: Aug 2007
Location: Sachse, Texas
Posts: 614
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Re: Replacing fuel pump - gasket sealer or no?
You shouldn't need it, but it won't hurt anything.....
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#4 |
Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,507
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Re: Replacing fuel pump - gasket sealer or no?
Sealer. A light coating of the sealer you normally use on other gaskets should do fine.
Make sure That the push rod is up in place so you can get the pump lever in under the end and not binding on the side of the push rod. You can slide the push rod up with your finger or a screw driver but usually it doesn't stay long. I usually push it up and then slip the lever in under the end and often use the end of the lever to slide the push rod back up with a bit of a rocking motion. A lot of guys take out one of the two bolts on the bottom front of the block (where the tri-5 motor mount bolts went and use a longer bolt to hold the push rod but be gentle if you do and only screw it in finger tight against the push rod so as not to bend the push rod. I have had to follow behind a guy who overtightened the bolt and bent the push rod. It isn't fun to explain to the mechanic how you screwed up your engine by trying to work on it yourself. Luckily I was the mechanic who had to work on it that time and not the owner. |
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#5 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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Re: Replacing fuel pump - gasket sealer or no?
I won't own an engine that leaks or seeps anywhere. I use this stuff on all paper gaskets, including fuel pump, timing cover, etc and it works. Just a light smear on both sides of the gasket. Use your finger to spread it smooth and thin.
![]() My dad and my grandfather before him used the same stuff. It's been around forever. No tool box is complete without a tube.
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I'm on the Instagram- @Gearhead_Kevin Last edited by Tx Firefighter; 03-03-2011 at 07:33 AM. |
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#6 | |
Registered User
Join Date: Oct 2007
Location: Valley Springs, Ca
Posts: 857
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Re: Replacing fuel pump - gasket sealer or no?
Quote:
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#7 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: Replacing fuel pump - gasket sealer or no?
I like the Permatex Indian Head hi-tack and Aviation brush-on sealants.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#8 |
Who's got steelies?
![]() Join Date: Feb 2006
Location: Morrison, Oklahoma
Posts: 1,026
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Re: Replacing fuel pump - gasket sealer or no?
WOW! How old is that Indian Head hi-tack? That is cool.
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#9 |
Registered User
Join Date: Jun 2010
Location: Upland Ca
Posts: 4,143
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Re: Replacing fuel pump - gasket sealer or no?
Gasket sealer not needed but sure does help with keeping gasket in place while wrestling with the pump to get it in place.
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
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#10 |
72 GMC
Join Date: Feb 2008
Location: Wells, Maine
Posts: 534
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Re: Replacing fuel pump - gasket sealer or no?
Slop some grease (clean) on the end of the rod before you shove it
up into place. The grease will hold the rod for a minute or two, giving you time to get the pump in place. |
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#11 |
Msgt USAF Ret
![]() ![]() Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,714
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Re: Replacing fuel pump - gasket sealer or no?
Another tip-----Roll the engine over so the cam lobe is away from the pump rod and it will be much easier to start the pump bolts. I think TDC on no.1 compression is the place.
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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