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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 08-14-2009, 12:29 AM
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Default turbo,twin turbo, supercharge????

i have a 03 hemi 5.7 and it fun to drive but want some extra fun.
whats the best route to go: turbo, twin turbo, supercharge, something else?

and how much will a turbo or supercharger raise my insurance rate????

any info wud be apperciated
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Old 08-14-2009, 05:46 AM
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all of that depends on how much $$$$ you want to spend. if money is not a problem, i would visit arrington engines and have them build a low compression 440 stroker and set it up with a pair of good sized turbos to get around 800-900 at the rear wheels. most people don't have that much money though. you could just throw a 100 shot kit on it and it would make a big difference for only a few hundred bucks. a little more money and you could do a rebuild with a 392 bottom end and put about 150 shot on it. really, it all depends on 1) what exactly you want to do with it (drag race, show off, mud bog, etc.), 2) how much power you really want to make, and 3) HOW MUCH MONEY YOU HAVE TO SPEND.
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Old 08-14-2009, 07:47 PM
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sts remote turbo kit
http://www.ststurbo.com/dodge_ram_hemi_
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Old 08-15-2009, 01:19 AM
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Default

if you go for a twin turbo, you will need to beef up your top and bottom end if you plan to run any more than 8psi boost. any more than that and you risk blowing out the bottom since HEMIs are a thin block; you also risk lifting the heads which causes it's own world of headaches.

A turbo is the same as a supercharger, just runs off exhaust gasses instead of the flywheel. they generally have some lag, but doesn't run off your engine, hence less HP loss in comparison. Both should be intercooled to lower entrant temps to reduce chances of detonation. A good system should run you around $5K. in this instance, you most definately get what you pay for, so make it worthwhile.

If you want a cheaper route, go-juice is the way.

I can't say I've heard of your insurance going up due to a turbo/supercharger, but i've been surprised before.
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Old 08-15-2009, 01:51 AM
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Certainly, money is a factor here which determines which way you will go.

But, I prefer forged big blocks with low compression and high psi superchargers just for their longevity and the fact a supercharger is on boost all the time. You do lose a bit of HP due to parasitic drag of the belt driven unit but I believe the benefits outweigh that loss.
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Old 08-15-2009, 09:10 AM
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Which ever your choice is don't forget , you have the rest of the drivetrain that will need to be beefed up . Stock tranny won't handle 500 horsepower .
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