First gear is really steep as it is, like 4.70:1 or so. 3.06 gears = 14.38:1 torque multiplication in first gear off the line. 3.90 gears = 18.33:1 torque multiplication in first gear off the line. 14:1 off the line is already insane as it is, but bumping that to 18:1 while also considering you have a supercharger is just going to make it worse. It still wont be a V8 but so many SE / SXT's would be a more affordable and viable option. As for the swap of the 3.6 to a 5.7 like many vehicles there is going to be a massive Suspension Upgrade, Struts Springs, Sway Bars, Tie Rods. The Cooling system for a v8 would have to demand upgrade especially if your going to build up that 5.7. 63382 posts · Joined 2010. #3 · Jan 31, 2021. Owned a 5.7 Challenger for almost 9 years and over 80,000 miles no lifter or cam problems . I have almost 26,000 miles on the 6.4 and no cam or lifter issues. A8, catch can, headlight to airbox tube, Abs cover, Scat Pack puddle lights, Scat Pack rear panel vinyl, Coolant tank cover. In this video I go over a common problem with the 3.6L engine found in the dodge charger, challenger, ram 1500, jeep, promaster and Chrysler vehicles. for co Video today just explaining the ticking noise that many Chrysler/Dodge 3.5L V6 engines have (usually from 2006-2010). These engines are found in a bunch of d marielauber said: Yes, very common problem it seems. My 2013 Charger was at the dealership for 6 consecutive plus months because the every time they replaced the water pump it failed. I filed a lawsuit with Chrysler to receive cash out payment. As of October 8, 2019, my Charger is on water pump number 8. In this article, we will mention the most common problems, explain what their causes are, and what you as the owner of a 3.5 engine can do to fix or even prevent them. Some of the most common problems that this engine has are oil sludge issues, ticking noise, failure at low milage, leaking coolant, rough idle, and overheating problems. Rockster. 5812 posts · Joined 2015. #2 · Jul 14, 2020. A fuel pump not working is not a symptom of a bad TIPM. Symptoms of a TIPM problem: The fuel pump not turning off and burning out. The airbags not deploying OR deploying randomly. The engine stalling while driving. The starter cranks but won't start. i5Y7dOt.