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Unread 04-05-2010, 10:37 PM   #1
bigjoe27
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1987 YJ Wrangler 
 
Join Date: Mar 2010
Location: barnegat
Posts: 38
Is 4.10 gears deep enough?

I have a 87 Wrangler with a 4.2 block with 15,000 miles on it, remanufactured 4.0 head 0 miles on it, header , 32/36 weber, msd ignition with team rush upgrade and msd wires, and dynomax catback. I was wondering if this is going to be enough to drive highway speeds without the pedal to the floor? I have not driven it since these upgrades being that I am finishing college and has been a slow build for the past three years also it has 35 inch tires and a ford 8.8 rear end with winch as the only added extra weight. Do you think this will be enough or should I just regear while I am waiting to graduate in May. I go to school in Newark, NJ, so instead of having it stoling its been sitting for a few years while I slowly upgrade but can't wait to drive it once I am done with school and get the hell out of the city. Any suggestions or should I just rejet the carb. A motor swap is out of the question so looking for cheaper alternatives.

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Unread 04-05-2010, 10:46 PM   #2
moonshinefuel
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1995 YJ Wrangler 
 
Join Date: Feb 2009
Location: Los Angeles. California. United States.
Posts: 4,911
Wow, 35'S with 4:10 gears. Wouldn't fly with squirrel engine, that much I know.
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Unread 04-05-2010, 11:02 PM   #3
provinT13
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1999 TJ Wrangler 
 
Join Date: Oct 2007
Location: Colorado Springs, Colorado
Posts: 4,632
It would be do-able, but you'll want 4.88's
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Unread 04-05-2010, 11:13 PM   #4
dest
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2000 XJ Cherokee 
 
Join Date: Jun 2008
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Drive it and you'll find out for yourself.
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Unread 04-06-2010, 12:03 AM   #5
crb577
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1993 YJ Wrangler 
 
Join Date: May 2005
Location: Colchester, VT
Posts: 941
well my 4.0l with 4.10's and 35's doesn't like highway speeds much just not regearing yet.... I don't do enough highway driving with it to make it worth it for me yet but probably will happen within the next year
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1993 Jeep Wrangler
4.0L Tom Woods rear HD shaft
D30 w/yukon alloys, lock right, jb4x4 bracket, Rusty's HD tie rod 8.8w/ LSD,SOA xj rear 100" wheelbase, homemade greasable boomerang shackles, SS braided lines, 1" prothane body lift, 35" TrXus M/T, smitty built XRC.
lots of gen right armor and rear stinger.
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Unread 04-06-2010, 01:32 AM   #6
sailmike83
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1994 YJ Wrangler 
 
Join Date: Jan 2009
Location: NW FL
Posts: 112
I honestly don't know about 35's, but 33's with my 4.10's and 4.0L has been great.
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