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12-03-2009, 12:23 AM
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#1
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Registered User
Join Date: Oct 2009
Location: Blossburg, Pennsylvania
Posts: 292
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any way to get more power out of the 2.5 4 banger??
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12-04-2009, 03:06 PM
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#2
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Registered User
Join Date: Jul 2007
Location: pennsylvania
Posts: 677
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maybe a v8. There are a bunch of mods, but I dont think most of them are worth the time or money.
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12-04-2009, 05:13 PM
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#3
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Registered User
Join Date: Jul 2009
Location: philadelphia, Pennsylvania
Posts: 713
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put in two 4 bangers?....I got the same problem
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12-07-2009, 02:48 PM
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#4
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Registered User
Join Date: Dec 2009
Location: Cincinnati, OH
Posts: 29
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Not really, I bought a CAI from Tire Rack since they were trying to get rid of them and put it on clearance. My butt dyno didn't feel a difference from stock.
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12-07-2009, 05:14 PM
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#5
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Registered User
Join Date: Jul 2009
Location: philadelphia, Pennsylvania
Posts: 713
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electric fan made a big diffrence, when you only got 100 horse(on a good day, and thats not even at the wheels) 2 or 3 extra seems noticeable. 4.0 throttle body couldnt hurt. ditch the a/c if you got it, thats another useless pulley to spin(unless you use it for an onboard air comp.). good distributor/or msd could help. fresh plugs. synthetic oil.some kind of better air intake, Id keep that plenum box on top of the t-body for volume. lost all my low end with a tube type(I put a cone filter thru the wall to the cowl and fabbed a metal box to keep water out) headers seem to kill bottom end power and thats what you need 80% of the time. just do the little cheap stuff as needed and save for a swap if you really want some cajones under the hood.
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12-18-2009, 08:19 PM
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#6
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Registered User
Join Date: Dec 2009
Location: Peoria IL
Posts: 32
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You have to get a new chip - or reprogram what you have. Even then you still have a 4popper.
__________________
2000 TJ
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12-30-2009, 07:31 PM
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#7
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Wot's...uh The Deal?
Join Date: Nov 2005
Location: Roseville, Ca.
Posts: 2,888
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There's a couple of air restrictors in the filter box intake you can remove. It helps a little.
__________________
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White '94 YJ 2.5L 5 speed, 35" BFGs KM2's, 5" lift, Mark VII 2 speed fan, Milemarker PE8000, Front Aussie Locker, Power steering conversion, '98 Cavalier seats, MORE Boomerangs in front, 136 amp ZJ alternator, JB conversions SYE, Tom Woods custom drive shaft, 8.8 with ARB, 4.88 gear ratio, Teralow
My Jeep
'89 XJ Laredo Bone Stock
Member:The Wrecking Crew
Ham license:
KB6(tooeasytosearch)
Everyone is Welcome
www.rubiconramblers.com
Quote:
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Originally Posted by Major Sanderson
You have no respect for excessive authority or obsolete traditions. You're dangerous and depraved, and you ought to be taken outside and shot!
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Quote:
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Originally Posted by Beefstew
I may have proven that I am in fact an idiot, by all of your standards...
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Quote:
Originally Posted by ritjobbie
Mr.B's post gets you as close to Buddha as you can get on JF...
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01-01-2010, 12:42 AM
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#8
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Registered User
Join Date: Oct 2009
Location: Blossburg, Pennsylvania
Posts: 292
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good luck is all I can say lol... but the restricters actually do make bit of a difference
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01-01-2010, 08:06 AM
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#9
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Registered User
Join Date: Jun 2007
Location: Green Bay, WI
Posts: 391
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If you really want more power sell your Jeep now. Your profile says that you are still stock so if you know that power is a problem you should find a Jeep with a 4.0 before you start to dump money in the one you have.
__________________
95 YJ
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01-04-2010, 08:31 AM
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#10
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Registered User
Join Date: Nov 2009
Location: Texas
Posts: 26
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 4 banger is still a 4 banger
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01-24-2010, 03:19 PM
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#11
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Registered User
Join Date: Apr 2008
Location: scranton pa
Posts: 48
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my 4 cyl has loads of power hahaha no im kidding it sucks esp with the stock gears that came in my 44s i think there like a 273? the worst motor ever put into a jeep was the 2.5 =)
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a 360 or 350 for the yj..?? hmmm what do you think?
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01-28-2010, 12:24 AM
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#12
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Registered User
Join Date: Oct 2009
Location: Blossburg, Pennsylvania
Posts: 292
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I love my jeep dont plan on selling it anytime soon... if I wanted a bigger motor I would have put one in instead of completely rebuilding my 2.5... I was just wondering if there are any mods that I can do to it to help the power/fuel economy
__________________
My mom:
- "put your damn wipers down, their bugging me"
- "This thing drives too trucky"
- "Its been a while since something broke on your truck"
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01-29-2010, 12:58 AM
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#13
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Registered User
Join Date: Jan 2007
Location: East Bay Northern CA
Posts: 1,691
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GEARS 
__________________
Not here for a long time, were here for a good time
White Jeep Club #224
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01-29-2010, 08:58 AM
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#14
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Registered User
Join Date: May 2008
Location: n. manchester, in
Posts: 111
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ford 19 pound injectors help alot also. i have a set of 4 ill sell ya for 45.00 plus shipping. my for banger has 33s stock gears soon to be 4.88s, elc fan, after market plugs wires, and coil. New cap and roto button. cool air intake with a tornado in it, a 4.0 thottle body, another big helper, no cat and a flow master 44. one more thng i run 94 octatine with lucas fuel aditve every fill up. i love the little thing. would take it for anything has never let me down. But i now a have everthing for my 4.3 swap so when she goes that will go in.
__________________
92 yj 355 sbc holley pro jection 700r4 231 hd D30/8.8 4.88 gears 4in RC 1.5 booms 3in body tummy tucked on 35s + goodies
98 zj 4.0 2in pucks on 31s her DD
89 mj 4.0 stock for now my DD
71 76 cj5 sold
72 cj5 forsale to fund mj build
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01-30-2010, 06:55 PM
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#15
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Registered User
Join Date: Jan 2010
Location: virginia beach, va
Posts: 182
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Where do you get ford injectors from? oh ad this is my first post
josh
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>
2.5 mods??
