LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Forged LT4 383 ready next week, what will be my rwhp?

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Old Aug 13, 2003 | 10:33 PM
  #1  
wickdracer's Avatar
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From: Los Angeles, CA
Forged LT4 383 ready next week, what will be my rwhp?

Here is a list not sure if I included everything:

AFR 195 LT4 heads stage 3
LT4 intake port matched
Lt4 block
Forged 383 kit(scat crank, eagle rods, etc)
comp lifters
ARP pushrods 7.400"
1.6 COMP Rockers
BBK 58 TB
Custom CAM: 617/640 244/244 at .050" 114 LSA
30 lb/hr injectors
FLP Long Tub headers
Borla exhaust
95+ opti
hd timing chain

Anyone have and idea of how much HP/Torque I will be making.
Old Aug 14, 2003 | 12:34 AM
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SS MPSTR's Avatar
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From: SoCal
Sweet set-up. I'd guess 410~420rwhp.
Old Aug 14, 2003 | 10:56 PM
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wickdracer's Avatar
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Thanks SS MPSTR, hope your right.
Old Aug 15, 2003 | 01:35 AM
  #4  
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tune

In your situation i think its really all gonna depend on the tune. You are going to need a really good dyno tune if you wanna get all the power the engine is capable of. Im not sure exactly about the numbers cuz your cam profile is looking kinda strange to me. Usually NA LT1's like a duration split of at least 6 degrees. but thats just me.

CR
Old Aug 15, 2003 | 10:11 AM
  #5  
96 WS6's Avatar
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From: Bay Area, CA, USA
430 rwhp +- 5

Stage 3 AFR's w/ big cam 244/244 will make more than low 400's.
Old Aug 15, 2003 | 10:28 AM
  #6  
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Re: tune

Originally posted by car_ramrod
Usually NA LT1's like a duration split of at least 6 degrees. but thats just me.

CR
True for NA LT1's usign LT1 heads. He's using AFR castings based around the LT4 raised runner variation of the LT1 head. If his exhaust numbers are better (a fraction closer to 3/4 of the intake flow) then there is no reason for the extra exhaust duration.

I dunno man, but i hope it makes big numbers and keeps you happy. Good luck.
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