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-   -   Intake Manifold Gaskets (https://www.offshoreonly.com/forums/general-q/323617-intake-manifold-gaskets.html)

seafordguy 03-02-2015 01:32 PM

Intake Manifold Gaskets
 
I have Weiand 6130 intake - Gen 6 502 with stock heads.

Which is the right gasket for my application?

Searching on here I found the Fel-Pro 1275S-3 which looks close, but I realized that it has a cutout in both the front and rear for the water passage and I don't believe I want that. http://www.jegs.com/i/Fel-Pro/375/1275S-3/10002/-1

What is the difference between that and the normal 1275? http://www.summitracing.com/parts/FEL-1275/

Is there a proper gasket that seals off the rear water passage?

Thanks,

Eric

Unlimited jd 03-02-2015 01:41 PM

I think you mean you want the water blocked in the rear.

seafordguy 03-02-2015 02:11 PM

Yes - fixed............

Thank you...

seafordguy 03-02-2015 04:02 PM

EDIT - Looks like this is the one I want....

http://www.marineengineparts.com/eng...ines-only.html

Not sure why it is marked as "EFI Only"?!?!?!

F-2 Speedy 03-02-2015 04:54 PM

does your manifold have 6 or 8 holes per side for bolts

seafordguy 03-02-2015 06:21 PM


Originally Posted by 33outlawsst (Post 4272892)
does your manifold have 6 or 8 holes per side for bolts

6......

SB 03-02-2015 06:37 PM

#17341 has open exhaust crossovers.
http://fme-cat.com/LiveImages/Medium...41_P04_TOP.jpg

#17342 has closed off exhaust crossovers (+ rear water ports) and it appears that has slight cutouts for the factory steel lifter valley tray.
http://fme-cat.com/LiveImages/Medium...42_P04_TOP.jpg

SB 03-02-2015 06:41 PM


Originally Posted by 33outlawsst (Post 4272892)
does your manifold have 6 or 8 holes per side for bolts

It appears to have 8 per side.

https://rspimages.holley.com/6130win.jpg

seafordguy 03-02-2015 07:34 PM

Those 2 on the outside are not used on my current intake so it really is 6.

I think the 342 is the one I need.....

Brandonb_05 03-02-2015 07:55 PM

Why Do you block off the back water passages?


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