Coast Resorts Open Roads Forum: General RVing Issues: Manifold Replacements


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Gjac

Milford, CT

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Joined: 08/16/2006

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Posted: 04/30/23 06:35am

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After 2 cracked manifolds I replaced the cast iron manifolds with Thorley headers, not only do they reduce the heat to prevent cracking, but your HP will be increased also. I think the total cost was about $1200. Looking back I wish I went to the headers after the first manifold cracked.

JoeH

Apollo Beach,FL

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Joined: 02/21/2001

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Posted: 05/11/23 05:25am

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I had a 1999 first gen v-10. Had it for over 125,000 almost trouble free miles, all pulling a toad. The 2 problems I had during this 13 yrs period were the serpentine belt idler pully bearing went bad and the starter relay died.
I did replace the manifolds shortly after i bought it with SS headers.... never had an issue as a result.

Joe
2013 Dutch Star 4338- all electric
Toad is 2015 F-150 with bikes,kayaks and Harley aboard