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Mast heads

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Old Sep 12, 2009 | 09:41 AM
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Default Mast heads
Anyone using the mast medium bore l92/ls3 heads?
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Old Sep 16, 2009 | 03:58 PM
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I am using their large bore ls7 cnc 'd heads on my 440". The heads flow 390 cfm at max lift. Cant wait for the dyno.
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Old Sep 19, 2009 | 03:38 AM
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From: howell mi
Default med bore heads
They will be released in a couple weeks or so.
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Old Sep 19, 2009 | 12:26 PM
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Cary,what about the small bore l92's.
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Old Sep 19, 2009 | 12:47 PM
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Default sb l92
Those will be available in mid october. All the L92/LS3 configured heads will be available through Mast Motorsports.
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Old Sep 20, 2009 | 11:40 AM
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Any chance of the price coming down some ? They look great but cost as much and more as other assembled options when they're bare , assembled they're well over $3k .
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Old Sep 20, 2009 | 03:16 PM
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Originally Posted by v8pwr
Any chance of the price coming down some ? They look great but cost as much and more as other assembled options when they're bare , assembled they're well over $3k .
those are top notch heads, and a bargain at 3k$
oe l92 are less than 1k assembled and were designed for budget type builds
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Old Sep 20, 2009 | 09:15 PM
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So are AFR's , TrickFlow's . & the original ET's . All of which are are aftermarket castings with the same relative amount of machining . Edelbrock & GM offer a HIPed casting for that much (although not CNC ported) , I just think that these could be offered for a little less money , be very profitable , and sell a lot more .
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Old Sep 21, 2009 | 04:27 PM
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What are the advantages of these over the oe castings?
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Old Sep 22, 2009 | 12:38 PM
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I would like to see how these heads flow being a 12* cnced LS3 style head vs what the stock GM 15* cnced LS3/L92 heads flow.
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Old Oct 22, 2009 | 08:26 AM
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I'm curious about the results of these heads on a LS1/6
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Old Oct 22, 2009 | 09:14 AM
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They wont fit on an ls1/6 they need a 4" bore. You would have to go with the small bore Ls3 head.
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Old Oct 23, 2009 | 08:51 AM
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Will a 4-barrel style open plenum manifold be available for these heads other than the GMPP or Vic Jr.?
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Old Oct 23, 2009 | 11:39 AM
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Originally Posted by melsie68
Will a 4-barrel style open plenum manifold be available for these heads other than the GMPP or Vic Jr.?
Perf-Inductions. I will be running a set of MAST med-bore heads and Cary's manifold on a 408 deal. If you want more info or are looking to buy a some heads pm me.
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