Iron Eagle rear seal

bozo · 11-12-2008, 03:53 PM

I have the Iron Eagle Ford 302 SB. The spec sheet lists the rear main seal as Fel-Pro #2922 or #2941. Is there some cross-reference to newer part numbers? The one-piece seals that are easiest to find are
Fel-Pro FEL-BS40644 and FEL-BS40620.

The spec says 4.250" x 3.625", but the Fel-Pro 375-2922RS seal lists an inside diameter of 3.542" and says that 302 engines in this application had either 3.493" or 3.542" seals.

Is the 375-2922RS the same as the specified 2922 seal?
Will the FEL-BS40644 or the FEL-BS40620 work well?
The 40644 is polytetrafluoroethylene rubber and the 40620 is rubber. Which will work better? (I'm thinking the 40644 might last longer without cracking.)

I have been unable to find the 2941 seal.

malihoochie · 11-18-2008, 02:56 PM

The prefix "375" is part of a Jegs numbering system much like Summit uses "FPP" - both mean Felpro or Felpro Performance. The 2922RS is the seal you are looking for. You could use pretty much any rear seal that is designed for a later model (5.0) type block.
I checked Summit for the 2941 (FPP-2941) and it came up without any problems - but it was about 3 times as expensive.

Awesome Bill · 06-28-2009, 12:35 PM

we use the Fel Pro with no problems

11-12-2008, 03:53 PM	#1
bozo Status: New Guy Join Date: Nov 2008 Location: Los Gatos, CA Posts: 6	Iron Eagle rear seal I have the Iron Eagle Ford 302 SB. The spec sheet lists the rear main seal as Fel-Pro #2922 or #2941. Is there some cross-reference to newer part numbers? The one-piece seals that are easiest to find are Fel-Pro FEL-BS40644 and FEL-BS40620. The spec says 4.250" x 3.625", but the Fel-Pro 375-2922RS seal lists an inside diameter of 3.542" and says that 302 engines in this application had either 3.493" or 3.542" seals. Is the 375-2922RS the same as the specified 2922 seal? Will the FEL-BS40644 or the FEL-BS40620 work well? The 40644 is polytetrafluoroethylene rubber and the 40620 is rubber. Which will work better? (I'm thinking the 40644 might last longer without cracking.) I have been unable to find the 2941 seal.

06-28-2009, 12:35 PM	#3
Awesome Bill Status: Venerable Member Join Date: Oct 2007 Location: Ocean City, MD Posts: 1,873	we use the Fel Pro with no problems __________________ - Bill Cannon - - Custom Drag Racing Engines & Transmissions - Awesome Engines -

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11-18-2008, 02:56 PM	#2
malihoochie Status: Moderator Join Date: Oct 2007 Location: Detroit Suburbs Posts: 50	The prefix "375" is part of a Jegs numbering system much like Summit uses "FPP" - both mean Felpro or Felpro Performance. The 2922RS is the seal you are looking for. You could use pretty much any rear seal that is designed for a later model (5.0) type block. I checked Summit for the 2941 (FPP-2941) and it came up without any problems - but it was about 3 times as expensive. Last edited by malihoochie; 11-18-2008 at 03:05 PM.