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Old 03-02-2015 | 01:32 PM
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Default 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
Last edited by seafordguy; 03-02-2015 at 02:10 PM.
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Old 03-02-2015 | 01:41 PM
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Unlimited jd
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I think you mean you want the water blocked in the rear.
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Old 03-02-2015 | 02:11 PM
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Yes - fixed............

Thank you...
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Old 03-02-2015 | 04:02 PM
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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"?!?!?!
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Old 03-02-2015 | 04:54 PM
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does your manifold have 6 or 8 holes per side for bolts
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Old 03-02-2015 | 06:21 PM
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Originally Posted by 33outlawsst
does your manifold have 6 or 8 holes per side for bolts
6......
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Old 03-02-2015 | 06:37 PM
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#17341 has open exhaust crossovers.


#17342 has closed off exhaust crossovers (+ rear water ports) and it appears that has slight cutouts for the factory steel lifter valley tray.
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Old 03-02-2015 | 06:41 PM
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Originally Posted by 33outlawsst
does your manifold have 6 or 8 holes per side for bolts
It appears to have 8 per side.

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Old 03-02-2015 | 07:34 PM
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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.....
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Old 03-02-2015 | 07:55 PM
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Why Do you block off the back water passages?
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