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#11
11-19-2010, 06:57 PM
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I know they work.Been around big racers for a long time.I just know what happens when the welded head lets go again. To me personally it's not worth risking a motor with a heavilly repaired head to save a few bucks.
Just an opinion. 
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#12
11-19-2010, 07:25 PM
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oh i know..this is really just junk motor..when i go turbo ill probley turn around and sale these heads and get some diff heads probley some sb2.2's or a 15 degree head..
this motor im doing now ill only have 2k into if i dont end up putting rods and pistons in her
__________________
box of ls6 junk an some dope..i wish i new what i was doing 
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#13
11-19-2010, 07:29 PM
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RFD 15* would be sick. For what you plan to do I dont see welds not holding up. I've seen people like Chris U. weld the complete deck before.
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5.3L LSx, Fbody .500 cam, TH400, 4500 Stall, Moser 9"
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#14
11-19-2010, 07:39 PM
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yep if you do the welds right and prep the heads right welds do hold..
the rfd monster 15 are sick heads,,i aint going to toss 5k heads on my turbo engine though..ill be in the 2k range..if i was going to toss that much in heads then it would be a gb2300 head so i could make over 1700hp with out having to worry about the mirror chambers on sb2.2s,sb2s,15,18 or 23 degree heads..with the middle exh ports together they run to hot right there and kill the heads,block,gaskets an so on even when you run water right into the center of them for cooling. thats why you seen bowman,shane stack and others get away from them style of heads because they where having problems with them once they had large turbos an making killer hp.
__________________
box of ls6 junk an some dope..i wish i new what i was doing
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