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51 Posts
Is there a supercharger for the 5.7 Hemi C?? If so what kind of gains do you get and what are the prices?? Thanx
5.7 Supercharger??
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http://www.gsmotorsports.com/
6lb kit on a stock Hemi motor produces:
389rwhp = 123rwhp added (47% increase)
387rwtq = 97rwtq added (35% increase)
HMI-20004-PO GS Motorsports 5.7L 300C Supercharger Kit $5,400.00
6lb kit on a stock 6.1L Hemi motor produces:
500 rear wheel hospower & 507 rear wheel torque
Price:$5,650.00
6lb kit on a stock Hemi motor produces:
389rwhp = 123rwhp added (47% increase)
387rwtq = 97rwtq added (35% increase)
HMI-20004-PO GS Motorsports 5.7L 300C Supercharger Kit $5,400.00
6lb kit on a stock 6.1L Hemi motor produces:
500 rear wheel hospower & 507 rear wheel torque
Price:$5,650.00
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106 Posts
Has anyone installed this kit? Do we have any track numbers from members yet?
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159 Posts
http://www.300cforums.com/forums/search.php?
my god :wave: they have a search button!!!!!!! :nutkick:
j/p :newangel:
my god :wave: they have a search button!!!!!!! :nutkick:
j/p :newangel:
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51 Posts
Thnx!! I appreciate the input!! yeah I almost might as well get an srt-8..wouldn't that be nice!!
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4,544 Posts
Maybe someone has newer information, but I'd heard that there were problems supercharging the 5.7 hemi relating to the computer not allowing enough fuel at WOT and engines running lean and burning up pistons... my brother did some preliminary research a while back because he was considering a supercharger for his 2004 Ram 1500 4x4 that has the Hemi. Now I realize the "C" probably has different computer parameters and has the MDS while the Ram does not, but does anyone know if this issue still exists? Or have the aftermarket companies found a workable solution?
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8,982 Posts
kevenj said:
This isn't a "Problem," this is just "NORMAL" for all supercharged cars.
Any car adding power with a supercharger or Turbocharger needs to increase fuel flow. That's just the physics behind it.
Yes, any reputable supercharger installer will do this in some form or another.
Bottom line---You have to add more fuel to make more power. That's how it works.....more fuel = more power. There's no short cut with regards to boost.
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4,544 Posts
Yes I understand that this is normal that a supercharged engine needs more fuel - I own one - however the "problem" that I'm referring to is that on the 5.7 hemi ( at least in the truck applications) the major companies such as Kenne Bell have not been successful in reprogramming the computer to allow for enough fuel...thus the lean condition. What I've been told is that while most OBD 2 computer systems still go into open loop mode under WOT, the chrysler system does not, and there has been problems figuring this out. My brother saw and ad for Kenne Bell selling superchargers for the Ram's with 5.7 but when he checked their website they had not released it for the 2004 or 2005 yet...only 2003. Again this is on the truck but there's definitely an issue here....or was - - maybe it's been solved. That's what i'm wondering. the cost would still be considerably under an SRT8, though admittedly there's more to the SRT than just the different engine. I paid $30k even for my "C" with 1100 miles on it ( from my Dad so I got a deal....) his SRT8 is costing him about $45k so that's a big difference. I could put supercharger on my "C" and still be under what the MSRP was.... Anyway thanks for any info anyone has on this subject. Also not trying to argue with anyone, all this may be pure Bulls**t but that's what I've heard.
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