mechanix565

sooo building a boosted drag car and looking to get everyones opinions,

the heads are ported Procomp L92's
Intake valve size: 2.165
Exhaust valve size: 1.600
Intake port volume: 270 cc
Exhaust port volume: 84cc
Chamber volume: 64CC
INTAKE EXHAUST
@.650 383.3 280.7
.500 306.6 263.3


Engine Displacement (cu.in.) 402
Engine Displacement (liters) 6.6
Piston Manufacturer Probe Industries
Piston Part Number 14515
Piston Material 2618-t61 Forged Aluminum
Piston Top Type Dish Top
Piston Head Volume (CC) -24.7cc
Piston Base Bore 4.000
Piston Compression Height (in) 1.030
Ring Type Moly-File Fit
Ring Part Number CR1009
Crankshaft Manufacturer Scat
Crankshaft Part Number 4-LS1-140006125-24
Crankshaft Balance Type Internal
Crankshaft Material 4340 Forged Steel
Crankshaft Stroke (in) 4.000
Crankshaft Main Journal Size (in) 2.558
Crankshaft Rod Journal Size (in) 2.100
Connecting Rod Manufacturer Scat
Connecting Rod Part Number 2-350-6200-2100
Connecting Rod Material 4340 Forged Steel
Connecting Rod Length (in) 6.200
Connecting Rod Type H-beam

Custom Grind Cam
edelbrock Vic jr intake w/ 102mm throttle body

and a single s475 turbo with 1.10 AR on pump with methanol..

can this setup make upwards of 800 rwhp?? otherwise ill just run stock bottom end and shoot for 700whp.

67RSCamaroVette

iTrader: (63)

Turbo is the limiting factor. I would use a T6 exhaust housing to keep backpressure at bay. You should be able to hit 800rwhp pretty easily. That is a stout engine combo.

COPO9560

Depending on the cam you select, the engine combo is capable of supporting more than 800 whp - many getting that with far fewer cubes.

The flow numbers on the L92's look pretty good - only limitation to these will be amount of boost you can hold - probably limited to about 15 psi but that would be over 800 anyway. ARP studs are needed here too.

You might consider doweling the main caps - don't want them walking around which is possible at higher boost levels.