High Horse Performance, Inc.Answer
Dec 23, 2022 - 01:13 PM
No other supporting upgrades are required other than PCM tuning to raise all engine rev limiters to 6800rpm.
Are upgraded valve springs needed for this and would it be safer to do a custom tcm option for dodge just bolt ons Hemituner Performance Premium NAG1 TCM for 11-14 Charger & 300 5.7L VVT HEMI
Nag1 tcm question
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Open Dec 23, 2022 - 11:54 AM
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Hemituner Performance Premium NAG1 TCM for 11-14 Charger & 300 5.7L VVT HEMI
At HHP, this HEMITUNER Transmission Control Module is our choice for an aggressive performance based TCM. The most noticeable change users will see are the higher than expected shift points. Features optimized shift schedule and performance tuned AutoStick¨ calibration with automatic upshift in...
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