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370 truck motor

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Old Nov 22, 2012 | 09:01 PM
  #21  
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Lol Ill almost have the same motor as you have anyway. Other than yours being forged which I dont need.
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Old Nov 24, 2012 | 12:21 AM
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My 370 is very close to your build. I have PRC stage 2.5 5.3 heads (58cc), LS7 lifters, same rods, I have forged flat tops pistons with 1.7cc valve reliefs, stock MLS headgasket, LS6 intake, no Maf (sd tuned) with a cam spec'd by Pred Z at 230/232 .613/.595 with 111 LSA. I have ran it with my stock 3.23 gears and now with 4.10's with my S60. I will say that my LS7 clutch wouldn't hold it, but my Monster Level 3 does great with the setup.
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Old Nov 24, 2012 | 11:41 AM
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How well does it run? Did you happen to dyno it?
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Old Nov 24, 2012 | 12:19 PM
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I have not had a chance to dyno it yet seems I am always breaking something in (motor, clutch, rearend). It makes tons of torque and makes great power "under the curve" as the cam was designed to do. It is a very fun setup to use when running redlight to redlight.

I was given predictive numbers by Predator Z, but nothing definitive yet. I read that the LS7 clutch is good up to 450wrhp in these cars and mine would hold this setup.

I have ran a procharged, stock bottom end LS1 T/A on 8lbs of boost and was side by side with him with my LS7 clutch slipping. We both had 6m and 3.23 gears at the time. Also ran a modded Charger SRT8, did not end well for him doing pulls from 50-130. This was all in Missouri summer heat/humidity, similar to what you experience in Arkansas.

Only thing I would be concerned about is what gas is available in your area.
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Old Nov 24, 2012 | 12:30 PM
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We can get 93 here. I'm running a spec stage 2 clutch. But this is going in a truck so isn't like it will hook anyway. I ran this clutch on my h/c/i ls1 and it held together fine.

I'll be using a Chrysler 9.25 with a Detroit true trac and maybe some 4.10's or 4.56's.
This size of cam should benefit me since I'll be moving so much weight. Though It should be around 4000-4200 lbs, and it being aerodynamic as a house.
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Old Nov 24, 2012 | 12:35 PM
  #26  
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Originally Posted by 87DodgeD150
We can get 93 here. I'm running a spec stage 2 clutch. But this is going in a truck so isn't like it will hook anyway. I ran this clutch on my h/c/i ls1 and it held together fine.

I'll be using a Chrysler 9.25 with a Detroit true trac and maybe some 4.10's or 4.56's.
This size of cam should benefit me since I'll be moving so much weight. Though It should be around 4000-4200 lbs, and it being aerodynamic as a house.

Sounds fun. Let us know how it goes.

I have the Tru Trac in my S60 and really like it.
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Old Nov 24, 2012 | 12:39 PM
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I just want it to be faster than a stock srt10 ram. Which was like a 12.7 truck with a good driver. But it weights 1000more lbs. So if I can make around 510 at the motor I'll be happy.
What size push rods and head gasket did you run?
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Old Nov 24, 2012 | 12:48 PM
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I ran the stock GM MLS headgasket and Comp 7.375 pushrods.
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Old Nov 24, 2012 | 02:52 PM
  #29  
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How lopey does your cam sound? I know its on a 111lsa.
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Old Nov 24, 2012 | 03:03 PM
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It has 9 degrees of overlap, so it is def noticeable. Overlap is the same as a TSP Torquer V2 on a 112 LSA.
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