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Small Block Oil Pan Gaskets #2605347
01/12/19 12:55 PM
01/12/19 12:55 PM
Joined: Jan 2003
Posts: 1,412
Johnstown
69dart Offline OP
pro stock
69dart  Offline OP
pro stock

Joined: Jan 2003
Posts: 1,412
Johnstown
I'm building my first small block - 340. Well technically its already rebuilt but I wanted to pull the pan and check it out.

Anyway I learned 360 oil pan gaskets are different than 340 oil pan gaskets.

I ordered the 1 piece gasket - https://www.jegs.com/i/JEGS/555/210495/10002/-1 but it didnt fit.

So whats the best 340 oil pan gasket?


33 Plymouth Roadster - 383 - 5.90 1/8th 9.58 1/4
68 Dart - 340
66 Belvedere - 400

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Re: Small Block Oil Pan Gaskets [Re: 69dart] #2605361
01/12/19 01:32 PM
01/12/19 01:32 PM
Joined: Dec 2004
Posts: 10,554
Rittman Ohio
fourgearsavoy Offline
I Live Here
fourgearsavoy  Offline
I Live Here

Joined: Dec 2004
Posts: 10,554
Rittman Ohio
Call Greg at Superformance gaskets. I use his gaskets and have never been disappointed with service or gaskets.

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
Re: Small Block Oil Pan Gaskets [Re: 69dart] #2605364
01/12/19 01:45 PM
01/12/19 01:45 PM
Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
tubtar Offline
master
tubtar  Offline
master

Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
And I just happen to need a gasket for the 360 and have been curious about the one piece gasket.
I imagine Jegs would exchange it , but if you want to sell it , drop me a p.m.
I haven't seen a one piece for the 340 , but I like the idea.

Re: Small Block Oil Pan Gaskets [Re: 69dart] #2605384
01/12/19 02:10 PM
01/12/19 02:10 PM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
R
RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
R

Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
As you know it is the rear "half moon" that is different. can you alter/change that part for the 318/340 black rear seal part?


live every 24 hour block of time like it's your last day on earth
Re: Small Block Oil Pan Gaskets [Re: fourgearsavoy] #2605441
01/12/19 03:33 PM
01/12/19 03:33 PM
Joined: Jan 2003
Posts: 8,027
Tulsa OK
Bad340fish Offline
master
Bad340fish  Offline
master

Joined: Jan 2003
Posts: 8,027
Tulsa OK
Originally Posted By fourgearsavoy
Call Greg at Superformance gaskets. I use his gaskets and have never been disappointed with service or gaskets.

Gus beer


Yes Greg makes good stuff!


68 Barracuda Formula S 340
Re: Small Block Oil Pan Gaskets [Re: 69dart] #2605494
01/12/19 05:16 PM
01/12/19 05:16 PM
Joined: Dec 2005
Posts: 11,589
Fulton County, PA
C
CMcAllister Offline
Mr. Helpful
CMcAllister  Offline
Mr. Helpful
C

Joined: Dec 2005
Posts: 11,589
Fulton County, PA
Fel Pro 1806


If the results don't match the theory, change the theory.






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