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383 Stroker EFI HP projections

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Old Nov 13, 2019 | 08:49 PM
  #1  
Slappyjoe's Avatar
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From: Brandon, Manitoba
Car: 88' TA
Engine: 383 EFI stroker
Transmission: T-56
Axle/Gears: 3.45
383 Stroker EFI HP projections

Hi there. As I start to get ready to have this engine built I am trying to get a rough estimation of what the dialed-in HP be so that I can select the proper ECM to apply to the motor. Here's my set up...

Holley stealth ram w/ new fuel rails


AFR heads 76cc 195s


36 lb Bosch 3 fuel injectors


52 mm BBK throttle body


Underdrive pulleys


cold air intake

Scorpion 1.5 rocker rollers

COMP Cams Computer-Controlled Cam and Lifter Kits CL08-305-8

  • Lift: .510"/.510"
  • Advertised Duration: 276°/290°
  • Lobe Separation Angle: 114°

Axle ratio is 3.45


LT1 T-56 6 speed transmission


Properly built and all things considered what should I expect for HP at the crank?


Appreciate your help
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Old Nov 14, 2019 | 07:27 AM
  #2  
Orr89RocZ's Avatar
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: 383 Stroker EFI HP projections

430-450 flywheel. 360-380’s whp as an estimate
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