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Twin Turbo 370 build

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Old 11-03-2009, 08:35 PM
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Default Twin Turbo 370 build
Ok well i pulled the heads off and we couldnt find anything wrong with the gasket or motor. Honestly i dont understand what happened. So my wife says to me "why dont you just build a motor while its all torn down"? Of course what man will argue that soooooo... i went to the local perfromance shop where my buddy Brett builds very fast F-bodies. I told him my goals and desires for the truck and this is what im gonna build.

370ci Iron block

-Wiseco dished 370 Pistons w/ rings
-Eagle Forged H-Beam rods w/ ARP rod bolts
-Clevite 77 Hardened Race series Cam Bearings
-Clevite 77 Hardened Race series Rod Bearings
-Clevite 77 Hardened Race series Main bearings
-Comp Sprayed99 grind cam (still undecided about changing cams)
-Arp head stud kit
-TSP 2.5 6.0 heads (which i believe is PRC)
-Cometic MLS head gaskets .051 thick
-misc gaskets
-machine work balancing and long block assembled

AFA texas speed is concerned i dont care for them but this guy gets a discount and fowarded the savings to me. TSP will NOT be assembling the motor.

Brett is a known builder and has some fast cars running around and he is honest


long block is gonna cost me 5100 bucks including everthing

Next week when i get home from work im pulling the block out and getting this ball rolling
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Old 11-03-2009, 08:43 PM
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going to be a monster, nice... look forward to lots of pictures and videos
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Old 11-03-2009, 08:45 PM
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Gunna be a beast!
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Old 11-03-2009, 08:45 PM
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What comp ratio you going for??
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Old 11-03-2009, 09:12 PM
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Originally Posted by Mangled03gmc
What comp ratio you going for??
9.5 to 1 its a pretty good number for boost
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Old 11-03-2009, 09:16 PM
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I take it your going to hit the **** out of it with meth??
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Old 11-03-2009, 09:18 PM
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Hey, I would get the tfs 220 as cast heads over the tsp heads.
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Old 11-03-2009, 09:57 PM
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He said no meth originally, but now idk?
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Old 11-03-2009, 10:00 PM
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Originally Posted by GMCtrk
Hey, I would get the tfs 220 as cast heads over the tsp heads.
Cast heads are a hit and miss if he is going ot put any kinda boost to it (18psi) Taking a chance of popping one under that kinda boost. But anything less should be ok on a stock head(cast)
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Old 11-03-2009, 10:21 PM
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Originally Posted by Mangled03gmc
Cast heads are a hit and miss if he is going ot put any kinda boost to it (18psi) Taking a chance of popping one under that kinda boost. But anything less should be ok on a stock head(cast)
Huh? The tfs as cast heads are way better for boost than stock gm heads. They are cast the same as any other trickflow head but aren't cnc'd. They still flow 300 cfm
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