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Author Topic: Performance 2.5 FINALLY done!  (Read 25170 times)

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officer mike

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Re: Performance 2.5 FINALLY done!
« Reply #45 on: August 02, 2007, 02:40:35 PM »
YJmechanic you said that your machine will rock up to 6500 rpms. I want to know if you did something electrical to get those numbers.... I know that comes from evreything u did internally.. but im saying did you ALSO have to change something electrical to get that high rpm? thanks. Also whats a 10/10 crank? is that something that the machine shop does to your crank?   Thanks MIke
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YJmechanic

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Re: Performance 2.5 FINALLY done!
« Reply #46 on: August 04, 2007, 08:40:52 AM »
i run large wires and a hot coil with a wide gap but the ignition is factory.  10/10 crank means the crank was machined and balanced out to make it run smoother.  10/10 means 10 off the rod journals and 10 off the main journals.  it is just a measurement of the machine work.  remeber if you do that though you need to adjust the bearings accordingly
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Offline Bounty Hunter

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Re: Performance 2.5 FINALLY done!
« Reply #47 on: August 04, 2007, 11:28:27 AM »
How did you get around the oem rev limiter?
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Oilsmoke

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Re: Performance 2.5 FINALLY done!
« Reply #48 on: August 04, 2007, 01:26:51 PM »
What is The OEM Rpm limit anyway?
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YJmechanic

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Re: Performance 2.5 FINALLY done!
« Reply #49 on: August 05, 2007, 08:37:24 AM »
honestly mine has never had one or it has never worked and i have had mine since almost new
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Offline Jeffy

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Re: Performance 2.5 FINALLY done!
« Reply #50 on: August 06, 2007, 05:04:39 PM »
Quote from: YJmechanic on August 05, 2007, 08:37:24 AM
honestly mine has never had one or it has never worked and i have had mine since almost new

IIRC, it's supposed to be at around 5500rpm.  Although it doesn't seem to kick in if you happen to downshift.  :uhoh: :whistle:
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YJmechanic

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Re: Performance 2.5 FINALLY done!
« Reply #51 on: August 06, 2007, 05:11:42 PM »
i don't know i just know that mine doesn't exist and never has.  i guess i lucked out on that one.  it can't be that hard to over ride anyway.
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oakey

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Re: Performance 2.5 FINALLY done!
« Reply #52 on: October 25, 2008, 03:34:11 PM »
Im fixing to start a new build and would like the spec on this engine build if possible...

Thanxs,


Oakey
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Offline jfrabat

  • Gargantuan Mango Tree Mechanic®
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Re: Performance 2.5 FINALLY done!
« Reply #53 on: October 26, 2008, 04:14:11 PM »
Quote from: oakey on October 25, 2008, 03:34:11 PM
Im fixing to start a new build and would like the spec on this engine build if possible...

Thanxs,


Oakey

Talk about digging up an old thread!  Oakey, make sure you take notes and post them along the way.  I would be interested in following if it works out nice.
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'94 YJ 2.5L with 4" RE lift, Superwinch EPi9.0, FoMoCo e-Fan, SD30 and SD35 w/ARB-5.13, 165A alt., 33" BFG KM2 on 15" AR wheels, Sony sound system, Pavement Ends Hardtop, Hydroboost

jason 00 tj

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Re: Performance 2.5 FINALLY done!
« Reply #54 on: October 26, 2008, 04:43:59 PM »
Please let us know how your build is going because there are many of us that would like to be able to pass our six cylinder friends on the way to the trail. thanx :thumb:
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jrollings

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Re: Performance 2.5 FINALLY done!
« Reply #55 on: October 26, 2008, 07:57:12 PM »
yes i have to agree with everyone else oakey please keep us posted 
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95yjman

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Re: Performance 2.5 FINALLY done!
« Reply #56 on: October 27, 2008, 01:14:35 PM »
Would my 95 YJ have a rev limiter on it?  I've never really rev'ed it up that high and don't really plan to heh
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jrollings

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Re: Performance 2.5 FINALLY done!
« Reply #57 on: October 27, 2008, 02:09:05 PM »
Quote from: 95yjman on October 27, 2008, 01:14:35 PM
Would my 95 YJ have a rev limiter on it?  I've never really rev'ed it up that high and don't really plan to heh

id think it would
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Papahoot

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Re: Performance 2.5 FINALLY done!
« Reply #58 on: October 27, 2008, 02:23:59 PM »
Mine kicks in at 4200 and have no idea how to get rid of it or at least get it up to 5500.
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95yjman

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Re: Performance 2.5 FINALLY done!
« Reply #59 on: October 27, 2008, 03:52:14 PM »
Quote from: Papahoot on October 27, 2008, 02:23:59 PM
Mine kicks in at 4200 and have no idea how to get rid of it or at least get it up to 5500.

Why would you need that high amount of RPMs?
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