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Mummert Ram Horn Exhaust Install/Bolts

Posted By Outlaw56 11 Years Ago
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Y block Billy
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Now as my memory is coming back, I had to whittle/file a contour in the manifolds over the spark plugs in order to get a plug socket on the plugs in some locations.

55 Vicky & customline

58 Rack Dump, 55 F350 yard truck, 57 F100

59 & 61 P 400's, 58 F100 custom cab, 69 F100, 79 F150, 82 F600 ramp truck, 90 mustang conv 7 up, 94 Mustang, Should I continue?

stuey
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just finished installing ram horn manifolds, these are on ally heads. i found i needed 3 at 1.5" and 4 at 1.75"  i tried 3 at 1.75" and 4 at 2" but these bottomed out.  
stuey 
Outlaw56
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Ted,

If I understand correctly, you favor no gaskets when using cast iron exhaust manifolds on cast iron heads. John Mummert recommends (4) 1 1/2" bolts and (3) 2" bolts to install his manifolds. Would this not using a gasket change this length?

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's
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Outlaw56 (4/28/2014)
When installing intake manifolds without a gasket, how would you block off the port under the carberator to minimize heat damage to the paint on the intake manifold when not using a gasket?


I don't think anyone is referring to the intake manifold.  I think we're just talking about the exhaust manifold aren't we?


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1955 F-600/272/E4OD// Disclaimer: No animals were injured while test driving my F-600 except the ones I ran over intentionally!

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Outlaw56
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Your right, I got off track on that one. Looks like I hijacked my own thread. I will clean that post up with the "edit option".

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's
Ted
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Outlaw56 (4/28/2014)
Ted, If I understand correctly, you favor no gaskets when using cast iron exhaust manifolds on cast iron heads. John Mummert recommends (4) 1 1/2" bolts and (3) 2" bolts to install his manifolds. Would this not using a gasket change this length?

Bolt length will not change if gaskets are not used.  A thin film of red high temperature RTV in lieu of a gasket wouldn't hurt.
Here's the link to a previous thread discussing the truck exhaust gaskets which did not use any sealer on them.
http://forums.y-blocksforever.com/FindPost5884.aspx 

Lorena, Texas (South of Waco)


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Thanks Ted! I have a really hard time with the search options and posting pictures with the new software. If I could navigate thru the search better, I would not have to post so many "new topics" that are already covered.

Darrell Howard Whitefish, MT Outlaw 56 Ford F-100's


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