I have a 2004 dodge ram 1500 5.7L and was wondering if anyone knows if I can replace that engine with the Viper V-10 that goes in the SRT-10? Will I have to change out the transmission and rearend?
Can a 8.3L V-10 be swapped with a 5.7L V-8?
Feb 25, 2006
2 Replies
The trans will most likely need to be swapped... the SRT-10 is available with an automatic transmission, but I doubt they use the 545RFE with it - due to the HP/torque output, it's most likely a 48RE.
You don't HAVE to change out the rear end, however you're going from
375ft.lbs. to 500ft.lbs.In the end, it will be much cheaper to simply trade in your truck on a used SRT-10 (I've seen one recently, low mileage, selling for under $28K).
TRANSMISSION:
Change 545 RFE to A-618
change ECM to operate OD and LU in the 618
change wiring harness
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