Fel-Pro or Mr Gasket one piece oil pan gasket? - Chevelle Tech
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post #1 of 25 (permalink) Old Jan 29th, 08, 11:22 AM Thread Starter
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Fel-Pro or Mr Gasket one piece oil pan gasket?

Might as well do everything all at once, out comes the engine...

Which gasket, Fel-Pro or Mr Gasket one piece? I have the impression that the Fel-Pros aren't super highly regarded. Also,they are steel core, and I am afraid that the extra build up height may make my truck oil pan hit the crossmember.

Does anyone know of a good, non-decorative steel pan that fits a big block in a Chevelle, with no chance of hitting? I don't care about 5 vs 6 quarts, the car doesn't get driven hard and the oil gets changed every 1000 miles per season.

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post #2 of 25 (permalink) Old Jan 29th, 08, 11:28 AM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

My personal opinion...save a few bucks and stick with the standard pan gasket.
Every damn one pc pan gasket I've had leaked no matter what. Including the one now in my car...but not for long...

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post #3 of 25 (permalink) Old Jan 29th, 08, 12:32 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

I have done a bunch of engines with the Fel Pro one piece and 4 piece gaskets and have no problem with the 4-piece, but have had issues with the one piece so I don't use them any more.
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post #4 of 25 (permalink) Old Jan 29th, 08, 1:04 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

I used a Fel-Pro silicone one-piece on my SB400 in the truck last Summer and it hasn't leaked a drop since. Previouisly I could never find a pan gasket that would provide a good seal. I even had to install and replace the pan a couple of times so it was nice that I didn't destroy the gasket in the process and could just reuse it. I like the nylon inserts around the bolt holes which make lining up the holes easier and prevents overtightening the bolts and damaging the gasket.

I'll let you know how the BBC version works when I finally get my 427 fired some day in the distant future!
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post #5 of 25 (permalink) Old Jan 29th, 08, 1:14 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

I've had 2 fel-pro 1 pc gaskets on my SBC, both leak a drop every once in a while, this is with no silicone.

Jeremy

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post #6 of 25 (permalink) Old Jan 29th, 08, 1:19 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

I have the Fel-Pro 1 piece on my SBC, no issues so far.

I have read here that the BBC version is a different story. I bought the Mr. Gasket version as recommended by others here.

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post #7 of 25 (permalink) Old Jan 29th, 08, 1:26 PM Thread Starter
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

Wildman.... and your success with the Mr. Gasket is?

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post #8 of 25 (permalink) Old Jan 29th, 08, 2:05 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

Quote:
Originally Posted by gibbons View Post
Wildman.... and your success with the Mr. Gasket is?
None,

It is going into use within the next few weeks.

HERE is a thread discussing the Fel Pro likes to crumble -

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post #9 of 25 (permalink) Old Jan 29th, 08, 6:28 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

I used both and like the Mr Gasket better.

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post #10 of 25 (permalink) Old Jan 29th, 08, 7:42 PM
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Smile Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

I have had the earlier version of the felpro 1pc pan gasket on my 396/bbc since august 2001 and its been decent thus far .

It's had only a smideg of seepage on front t/cover corners to pan interface thats just enough to pick up some dirt & turn black over time which wipes off easily,but it never seems to leave drips of oil on the garage floor floor.

But i had the std type felpro 4 pc oil pan gasket on the motor from 1979-2001 and it was leaking a lot 22yrs later which was the reason i pulled the motor to fix it.

But since i did an econo rbld on the motor in 1979 for $600 (was only 23yr old kid at the time) i decied to go thorugh the motor again while it was out ,i spent approx $3,600-$3,800 on machine work & parts this time arround & i went through it completely.

But i have to admit the motor was still running fine propr to pulling it to fix leaking oil pan. It was not using much oil ,had 30lbs idle & 58-60lbs at cruise for hot oil pressure but i still didnt trust that if i only fixed the pan gasket that a bearing or head gasket etc wouldnt let loose a yr or 2 down the road having to pull it out again.

BTW,the early version of the felpro 1 pc pan gasket didnt come with any paperwork stating bolt torque and it wasnt on the box either. Back in 2001 when i installed the gasket i didnt have the intranet and tried tocontact felpro to ask what correct trq was for pan bolts but could no get a holdof them so i used stock gm oil pan bolt trq.

The stock trk really crushed/compressed the heackout of the gasket so i backe it off some to where it looked reasonable and went with it.

Then when i got intranet a few yrs later i contacted felpro and long story short found out the bolt torq for the felpro 1 pc pan gasket was approx 1/2 of what the std 4 pc pan gasket bolt trq was .

My early version of the 1 pc felpro gasket of 8 yrs ago didnt have trq limiter sleeves either so if someone was to have over torqued the earlier version 1pc gasket by 2x using stock gm pan bolt trq value thats why it could crumble/split because its been over torqued by 2x what it shold be.

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Last edited by SWHEATON; Jan 29th, 08 at 8:09 PM.
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post #11 of 25 (permalink) Old Jan 29th, 08, 8:03 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

I used the Fel-Pro gaskets on both my 396 and when I changed to the 496 I installed one. No problems with either. I did use silicone sealer at the corners near the crank.
John

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post #12 of 25 (permalink) Old Jan 29th, 08, 8:07 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

Funny, I have the 1 piece gasket and it doesnt leak at all. And, I've had it off/on 3 times. I do hit all four corners, above and below the gasket with RTV. Not sure what make the gasket is, but its black.

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post #13 of 25 (permalink) Old Jan 29th, 08, 8:08 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

Ok,
I dunno what I was smokin, but I could swear I read somewhere round here that the best way to go was using the one piece gasket.
I just ordered the fel-pro one piece and I also have the fel-pro multi piece gasket and will take a WAG at which one to use.

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post #14 of 25 (permalink) Old Jan 29th, 08, 9:16 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

Quote:
Originally Posted by 69-CHVL View Post
Funny, I have the 1 piece gasket and it doesnt leak at all. And, I've had it off/on 3 times. I do hit all four corners, above and below the gasket with RTV. Not sure what make the gasket is, but its black.
Sounds like you have the mr. gasket one. Fel pro unit is blue.

Jeremy

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post #15 of 25 (permalink) Old Feb 25th, 10, 11:20 PM
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Re: Fel-Pro or Mr Gasket one piece oil pan gasket?

Sorry to revive this ancient thread- Just looking for opinions on one-piece vs. the old standard cork & rubber four piece for my 283... I know I need the thick front seal. Thanks-

Rich

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