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Re: Charger SRT8 engine mods = Challenger SRT8 engine mods
Originally Posted by 425hpChargerSRT8
I believe its due the tuning, better rear end, and more efficient use of the accessories (a/c, alternator, etc.) on the SRT. I also think the 6.1 makes a little better than 425hp, maybe more like 450hp.
Wouldn't be the 1st time a car company underrated the power of their engines. 
The IRS on SVT vehicles from 99 to 04 seemed to work well for open track racing but did not hold up to the rigors of drag racing. Wheel hop was an issue along with lots of broke half shafts when sticky tires and power adders were used. Seems to me even the so called heavy duty after market half shafts were failing at the CV joints just like the stock pieces. Numerous companies sold braces along with a lot of other junk that was supposed to fix all the problems but at the end of the day it was still a light weight aluminum axle set up. Most serious street/drag racers were ditching the IRS in favor of the Ford 8.8 live axle (SRA suspension), that bolted right up. I'm not sure if MOPAR offers a live axle for the Challenger, Charger, C300 & Magnum platform.
Also be aware of chassis flex that can occur with unibody vehicles. If it is a problem I'm sure the aftermarket will come up with a solution.
Just trying to give you all a heads up.
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2002 Dodge Ram 2500 (Yeah, it’s got a CUMMINS) 1998 Supercharged SVT Cobra Rag Top (470 RWHP) with 3 link, Pan Hard Bar & Torque arm SRA Suspension & major chassis stiffening 1966 Plymouth Belvedere, 383 4-bbl, 4-speed, Sure-Grip SRA (Gone but not forgotten)
Last edited by G. Craig : 05-29-2008 at 08:25 PM.
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