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Speedmaster or under Pro-max Oval port
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BP758
DRR S/Pro
posted
Anyone use these heads. My son bought for a lake boat project.
Oval port 305/119.

This message has been edited. Last edited by: BP758,


California Screaming!
Raceless in California!
 
Posts: 4685 | Location: Vacaville  | Registered: January 07, 2004Reply With QuoteReport This Post
Busted Knuckles
DRR Sportsman
Picture of Busted Knuckles
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Speedmaster is the old ProComp.
ProMaxx 290 is a copy of the AFR oval port.
Google Weingardner's video analysis of both, they're night and day. VortecPro also has a video out of the problems with the chambers of the Speedmasters and issues with head gasket fitment.


Organized people are just too lazy to look for their $h!t.
 
Posts: 497 | Location: Texas USA | Registered: November 09, 2002Reply With QuoteReport This Post
BP758
DRR S/Pro
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Thanks!


California Screaming!
Raceless in California!
 
Posts: 4685 | Location: Vacaville  | Registered: January 07, 2004Reply With QuoteReport This Post
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