This is a mild HT383E crate motor from GM. Factor in a 24% drivetrain loss and the numbers on the motor are pretty stout. Add a few bolt ons to really bring it to life and top off with a tune.
Dyno Sheets, if you have them post them
- Thread starter bowtiefreak
- Start date
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Whippled2dr
Stock
This is before the A2W intercooler and smaller s/c pulley.
Dyno mods:
- Stock L31 (stock bottom, heads and cam)
- Whipple Supercharger w/ 2.75" pulley, 9 lbs of boost
- Mercruiser vortec intake manifold w/ 42lb injectors
- Alkycontrol meth injection (injected pre blower)
- Dual 3" MagnaFlows X-piped
- 3" Magnaflow metallic cats
- ****** Competition Long tube Headers
- Built FLT Level 4 4L60E
- PI 10.5" 3-disk 2800 RPM Torque Converter
- MSD 6A ignition + MSD plug wires
- NGK TR6 plugs gapped @ 0.040
- Stock Intake with K&N drop in filter
- 9.5" 14 bolt SF w/ 4.10s & Auburn LSD
- electric fans
Dyno mods:
- Stock L31 (stock bottom, heads and cam)
- Whipple Supercharger w/ 2.75" pulley, 9 lbs of boost
- Mercruiser vortec intake manifold w/ 42lb injectors
- Alkycontrol meth injection (injected pre blower)
- Dual 3" MagnaFlows X-piped
- 3" Magnaflow metallic cats
- ****** Competition Long tube Headers
- Built FLT Level 4 4L60E
- PI 10.5" 3-disk 2800 RPM Torque Converter
- MSD 6A ignition + MSD plug wires
- NGK TR6 plugs gapped @ 0.040
- Stock Intake with K&N drop in filter
- 9.5" 14 bolt SF w/ 4.10s & Auburn LSD
- electric fans
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