2012 Dodge Challenger SRT8 – Whipple Supercharged

Challenger | Dodge : December 11, 2020

Richard brought us his 2012 Dodge Challenger SRT8 to have the 6.4L Hemi and NAG1 transmission built, Whipple supercharged, and bring the power up to Hellcat levels! Modifications performed below:
Better Built Performance 6.4L built short block
ARP main studs
Better Built Performance Big Gas cylinder heads with upgraded PSI 1511 valve springs
Better Built Performance custom-built NAG1 transmission
ProTorque torque converter
Manley Performance Products, Inc. Chromoly pushrods
Cam Motion custom billet core VVT camshaft
COMP Cams phase-limiter kit
• OEM Mopar Hellcat engine oil pump
• OEM Mopar Hellcat lifters
• OEM Mopar non-MDS block valley plug
COMP Cams steel retainer kit
Whipple Superchargers Stage-II 2.9L W175AX twin-screw system
Whipple Superchargers upgraded air-intake system
Whipple Superchargers 3.375" upper pulley
NGK Spark Plugs LZTR7AIX-13 spark plugs
Stainless Works long-tube headers
MotoRad 180° thermostat
MSD Performance fuel pump voltage booster
HP Tuners unlocked ECU
• All the miscellaneous OEM and aftermarket components to bring it all together.
With the mechanical work wrapped up, John strapped her down to the rollers for Vlad to perform a custom calibration via HP Tuners. With the Whipple 2.9L delivering ~12psi, Vlad increased the 392's output to a repeatable 672.71whp & 588.43lbft! With the boost set to such a conservative level, there is plenty more jam in the jar when Richard is ready!

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