HemiTruckClub.com HTC.com Forum Forums HEMI performance Superchargers/Turbo ATI Procharger Supercharger Kit
HTC.com Forum Forums HEMI performance Superchargers/Turbo ATI Procharger Supercharger KitModerators: MrHemi
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First off, what do you all think of this setup?
Secondly, and please excuse my ignorance, can the stock HEMI motor handle a supercharger without additional mod's ? I have been told that the HEMI can not handle the additional horsepower? Little help would be great, Thanks Oh Yeah, I have a 2009 5.7L Hemi Quad Cab "There comes a time when every man feels the urge to spit on his hands, hoist the black flag, and start slitting throats." "I hold it that a little rebellion, now and then, is a good thing, and as necessary in the political world as storms in the physical. It is a medicine necessary for the sound health of government. " TJ |
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Vice President, California Chapter  |
it can handle up to 6psi is the safe zone anything above that and your risking it i dont know much about the ati setup but some on the prochager
08 Hemi Ram Sport Added: DSP, 4.56 gears & DTT, WickedFlow Dumped, K&N air Charger, Pacesetter LT's, Spartan Max, 6.1L Pushrods, Badlanz E-Cutout, E-Fan, 6.1L Springs, Jet Stream Scoop, de-badged Ram and Sport badges    |
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HTC Sponsor Henson MotorSports |
Just make sure whatever kit you are looking at uses 8 larger injectors for fueling and not auxillary injectors in front of or right after the throttle body. I've seen quite a few people with engines that went rich on one end and lean on the other w/ catastrophic results.
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Good information,
Thanks "There comes a time when every man feels the urge to spit on his hands, hoist the black flag, and start slitting throats." "I hold it that a little rebellion, now and then, is a good thing, and as necessary in the political world as storms in the physical. It is a medicine necessary for the sound health of government. " TJ |
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"Bill" President FL Chapter Florida Chapter Truck of the Year 2008  |
 Keep it under 5 psi unless you change out the internals.2005 1500 QC Thunder Road Slightly Tweaked          |
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The problem with the 5.7L is the bottom end is really weak. It will handle the 6lbs of boost but the question is for how long. I wouldn't expect to get 100k out of a stock boosted Hemi. The 5.7L crank is junk. The best bet would be to install a 6.1L crank. It is basically the same crank as the 5.7L but is a forged steel crank and not the cast crappy 5.7L crank. The stroke is identical to 5.7L. I have been thinking about the Procharger myself. Just my 2 cents.
05 Hemi QC Sport ThunderRoad White HomeBrew MIT Intake Stock Air Box/ K&N drop in Custom Tuned ECM Gibson 3" SI SO cat back MSD Super Conductors 1/4= 14.83 @91.54 MPH |
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eveything I have read about says the 5.7 has no problems witht the procharger at 6psi, but your right, I in fact plan on installing a 6.1 crank, if anything else its a better bet for adding horsepower and torque, oh and yeah bigger injectors are a must, very bad for engine if hey aren't changed
 The best are soon forgotten, but the worst plague us everyday  Who ever said that knowledge is power, didn't have a HEMI   led tailights |
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So... Just out of curiosity why would it break the crank? The one hot rod tested made like 7?? with a stock bottom end but the author did warn about the piston strength? So just curious is it a tune problem or just plain weak?
 2004 std cab 1500 Black w 20"s. Cai,flowmaster muffler,Hypertech programmer NEED MO POWA! |
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"Jay" HTC Man of the Year - 2009 President, South Carolina Chapter HTC.com Engine Specialist  |
You have to remember, this motor was designed to replace the old 360 A motor. It was designed to reliably pull a 5,000+ lb. truck. Nothing more! And as most of us can attest, it'll go 100k, and more, quite reliably. Any engine, and I guess anything made by man, has design perimeters. Exceed those parameters, and eventually it'll break. The 6.1 was designed to be a performance motor, thus, the heavy duty components. A lot of the time, the part that fails, is the end result, and not the root cause. A crank that spins a bearing, is NOT the fault of the crank. 2003, Std. SWB, SLT, 20", 4:56 gear, AFE CAI, Superchip, 6.1 cam, 6.1 heads, Manley springs, retainers, pushrods, Edelbrock Hedders, 195 T-Stat, 8.2 Taylor, AEM, Power Wire, ARC-1,Amsoil Everything, and more. Veni Vidi Vici HTC.com Titan Killer Club            |
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 HTC.com Audio Consultant  |
so the 6.1 crank is a stronger direct replacement for the 5.7?
 Black 2004 Qc 4X4, Superchips,comp 260 cam,home ported & milled heads,6.1 spring and pushrods, PSC1, Taylor Thundevolt 50, Edelbrock TES headers, true duals with Magnaflow, K&N C.A.I., Innovate LC1, MarkVIII E Fan, 180* t stat,Hellwig RSB, 6 X HID,sport running boards and bed accents,lund rool pan, Kenwood KNX7100 nav., R camera, 80G hard drive, 9" flip down monitor, Phoenix gold Tantrum 600.4 for Diamond Audio 4.5" dash and R.F. 5" R doors, Orion Extreme 500.4 for HCCA 6S comps front door, Precision Power DCX 1500.1 for 2 X 10" RE Audio SE, Oxygen Audio 20 Farad cap, Rammat sound deadner, tons of wires |
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"Jay" HTC Man of the Year - 2009 President, South Carolina Chapter HTC.com Engine Specialist |
Yes, but the rotating assembly should be balanced. 2003, Std. SWB, SLT, 20", 4:56 gear, AFE CAI, Superchip, 6.1 cam, 6.1 heads, Manley springs, retainers, pushrods, Edelbrock Hedders, 195 T-Stat, 8.2 Taylor, AEM, Power Wire, ARC-1,Amsoil Everything, and more. Veni Vidi Vici HTC.com Titan Killer Club |
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HemiTruckClub.com HTC.com Forum Forums HEMI performance Superchargers/Turbo ATI Procharger Supercharger Kit
HTC.com Forum Forums HEMI performance Superchargers/Turbo ATI Procharger Supercharger KitCopyright HemiTruckClub.com 2009