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low hp?

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Old Apr 21, 2008 | 04:47 PM
  #1  
chevyls1's Avatar
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From: where ever i can store my car. (palos hills,il for now)
Default low hp?

ok i was just looking around at what other people have and i think my hp is low. could somone help me please.


ok i have a 383 stroker ls1


callis crank

callis rods

dimond pistons

ms4 cam

hand filled and ported ls6 heads (? they were not done right when i bought them so i had to send them back out.) i think the heads might be hurting me but the motor builder said they flow tested very good.

FAST 90 intake

NW 90 tb

FAST fuel rails

42 lbs inj (i think i would need to find the recipt they are green it that helps)

racetronix fuel system

kooks headers

I AM PUTTING DOWN 413.8@ 6169 rpm / 108.1 mph
442.2 Max power with WFC

410.3@ 4082 rpm/ 72.0 mph
439.3 max torque.

on a mustang dyno.

thanks
cliff
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Old Apr 21, 2008 | 05:20 PM
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damn you should be around 450-460. A stock ls1 can almost put up those numbers cam only. I think it is your heads. Try tSP
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Old Apr 21, 2008 | 05:24 PM
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is that a speed density tune?
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Old Apr 21, 2008 | 06:15 PM
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+1 for heads, sounds like your choking the motor.
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Old Apr 21, 2008 | 08:45 PM
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not speed density tuned, and those are tsp heads that i had to get reworked. long story!
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Old Apr 21, 2008 | 08:49 PM
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From: where ever i can store my car. (palos hills,il for now)
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any suggestion on the heads?
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