Headers Vs. HP Manifolds
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Has anyone heard of these manifolds. I spoke with the manufacturer and was told they are aluminum, have individual runners, coated on the inside and will bolt right up to the factory risers. I have a 7.4 MPI looking for a little more low to mid range power. What do ya think?
http://cgi.ebay.com/ebaymotors/ws/eB...3ARTQ%3AUS%3A1
http://cgi.ebay.com/ebaymotors/ws/eB...3ARTQ%3AUS%3A1
#12
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Originally Posted by bghert
Has anyone heard of these manifolds. I spoke with the manufacturer and was told they are aluminum, have individual runners, coated on the inside and will bolt right up to the factory risers. I have a 7.4 MPI looking for a little more low to mid range power. What do ya think?
http://cgi.ebay.com/ebaymotors/ws/eB...3ARTQ%3AUS%3A1
http://cgi.ebay.com/ebaymotors/ws/eB...3ARTQ%3AUS%3A1
Last edited by onesickpantera; 08-18-2006 at 06:04 PM.
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The cutaway shows individual runners, but you would know better than I. Dennis told me they would improve power slightly but not drastically. I think the weight savings might be worth it. I added three extra Optima batteries and I am just trying to make up for the extra weight. Worth the money?
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Originally Posted by bghert
The cutaway shows individual runners, but you would know better than I. Dennis told me they would improve power slightly but not drastically. I think the weight savings might be worth it. I added three extra Optima batteries and I am just trying to make up for the extra weight. Worth the money?
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I think I'll give them a shot. I am not going to have the boat out agian until labor Day weekend but I will follow up with some feedback. Thanks for the info.
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Don't forget about us if you ever are in the market for a nice set of CMI Headers!!
Kirk
Ateco Engine and Dyno Shop
www.atecoengines.com
Kirk
Ateco Engine and Dyno Shop
www.atecoengines.com
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You may want to consider doing a search here in the tech section on Dennis Moore's manifolds. Someone on here bought some and the quality was lacking, missing harware, as well as poor customer service.
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I appreciate the feedback. I think I am going to hold off and spend the extra money on a set of proven performance manifolds. I am not looking for a big gain but just a little better performance out of the hole. I have a 26' Envision open bow and it is very sluggish when full of people and coolers. I am not sure how much a set of manifolds will help the 7.4 mpi. All I have done to this point is a K&N filter. Who makes the best bang for the buck when it comes to manifolds.
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Originally Posted by bghert
I am not looking for a big gain but just a little better performance out of the hole. Who makes the best bang for the buck when it comes to manifolds.
I have always known the Stainless Marine exhaust system to be pretty reasonable, but there are several aftermarket systems available---even more than what I have listed. Maybe some of the other guys can chime in who have had experience with other manifolds.
Stainless Marine
GIL
Eddie Marine
IMCO