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Unread 03-05-2013, 01:48 PM   #1
Jakes93yj
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1993 YJ Wrangler 
 
Join Date: Mar 2013
Location: Mount Holly, North Carolina
Posts: 42
Question on a supercharger

Hi, Im new to the forums but ive been browsing it for awhile, finally made a account to ask a few questions. I have a bone stock 4.0L in my 93 YJ. I want to supercharge it because it lacks the power that I want and will need in the future(mudding and trailing). I want to run around 5-7psi and was wondering what motor mods I need to do to make this run stable without cracking a piston or blowing a head gasket. I plan on making a pvc pipe snorkel because im 16 and cant afford one(I know the supercharger and other things will cost a lot) and I know how to make a simple working snorkel. Thanks for helping me in advance.

-Jake

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Unread 03-05-2013, 02:15 PM   #2
cstone94
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1995 YJ Wrangler 
 
Join Date: May 2011
Location: Martinsville, VA
Posts: 725
Confused on how you'll even mount a supercharger...... I'm gonna go ahead and say, not gonna happen. You're gonna break the crank.
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95' YJ - Warn Bumpers/Tire Carrier/Winch - 2.5L - 6" Skyjacker Suspension Lift - 4.10's - Locrite Locker - Dana 35/30 - 35" BFGoodrich KM2's

11' F250 - DD

1982 Toyota Pick-Up - Spray-On Yellow Rhino Lined - Chevrolet 305 H.O. - SM465 - NP208C - All-Pro Off Road 5" Springs - 35x15.50x15 Super Swampers
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Unread 03-05-2013, 02:45 PM   #3
Jakes93yj
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1993 YJ Wrangler 
 
Join Date: Mar 2013
Location: Mount Holly, North Carolina
Posts: 42
something like this guy
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Unread 03-05-2013, 03:00 PM   #4
YJ4LIFE
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1989 YJ Wrangler 
 
Join Date: Dec 2011
Location: , San Angeles
Posts: 709
you can get a m90 off a old t-bird or 3.8L GM FWD V6 in a junkyard. also lots of foreign cars have turbos
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'89 YJ, 4.2L, ax-15, B&M shifter, 1" BL, TJ flares, '99 intake, '91 EFI, 5.0L explorer injectors, GenRight tank & stretch, 35" ProComp Xtreme muds, 52" chevy springs rear, 44044 Ranchos front.....
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Unread 03-05-2013, 04:23 PM   #5
Jakes93yj
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1993 YJ Wrangler 
 
Join Date: Mar 2013
Location: Mount Holly, North Carolina
Posts: 42
I was planning on getting the m90 but what other mods do i need to support the boost? crank? pistons? pushrods? ECU? etc
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Unread 03-05-2013, 04:47 PM   #6
Old4X
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1990 CJ7 
 
Join Date: Nov 2008
Location: Ga
Posts: 4,615
Do a 4.7 stroker. Easier, cheaper, and you won't be chunking rods through the block. You will have plenty of power
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