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Jeep Space - dr888
   dr888

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Langhorne PA
35 years old
STATISTICS
Join Date: 09-25-2009
Total Posts: 36 
Last Activity 09-05-2013
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iTrader Rating: (0)/0
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DR888'S JEEP
Year & Model  
1993 YJ Wrangler
Engine  
2.5
Transmission  
AX-5
Front Axle  
Dana 30
Rear Axle  
Dana 35
Gear Ratio  
4.10
Suspension  
stock height...KBY GR2 shocks
Tires  
31x10.50 Courser MT
Wheels  
Outlaw I prior to being stolen
Recovery  
TowChain and Hooks
Accessories  
hardtop, full doors, sailcloth top, half doors,
bikini top, header & exh sys, CD, soundbar
Future Mods  
3.9 Cummins turbo diesel, shortened 3/4 ton
axles, Black Rock Rims, set of 33's, Rhino lined
tub
 
INSTALLED PRODUCTS
Armor
Audio, CB, & Electrical
Axles
Body
Engine
Interior
Recovery
Suspension
Tires & Wheels
Transfer Case
Transmissions

JEEP HISTORY
I've owned my YJ for a little over 3 years
now, but have been wheeling four about 4.
I had an 86 Nissan 4x4 before I upgraded
to a Jeep. I bought it off a friend who
was the original owner. I am currently
pushing 260,000 miles on the body, but
I've replaced the engine, trans, and rear
diff. Money is tight due to being in
school, but after graduation I plan on
restoring and building the jeep. Chevy
small block for sure, beefier axles, trans
and transfer case, but haven't decided
exactly what yet. Any ideas? I've driven
it up and down the east coast wheeling
where I can; mostly on the beach, the mud,
farms and local trails. I lived in WI for
a year and burned a ton of gas ripping up
the woods there. I plan to drive it to
500k miles.

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DR888'S COMMENTS
jonzjeepyj
09/26/2009 7:10 AM


Dan

Your computer is just that, a computer. It senses input from sensors and constantly adjust to changing conditions, like adding a 4.0L TB. Some people say that the computer is set up to constantly readjust itself to obtain certain factory set points programmed in. This theory would suggest that after a period of time, your computer will overcome your modification and readjust back to a stock set point and your new upgrade would no longer perform. This is not true. Your computer (ECU) does adjust to accommodate for the larger airflow but remembers the capability of the upgrade and can now utilize it's extra capacity, when needed.

The short answer to your question of what year vehicle can I use the TB from is...
If you have the MAP on the firewall then you want one from a YJ, XJ, MJ or ZJ up to 1995 with the 4 bolt pattern. For those with the MAP on the TB, you’ll want to look for one from a TJ, XJ, ZJ or WJ from 1997 on.




You will find this website very useful. This is where I started to do research on my YJ back when I purchased it and wanted to start doing mods. The website I used is site specific to the 2.5's. You will find a wealth of info to start modifying your YJ. Go to....

www.4bangerjp.com and register.

Once you register, there are many more fourms to do your research from. Check out this thread **The Facts and nothing but the FAQ** under Technical Forums. On the third page there is 4.0L Throttle Body Conversion article that is very extensive and gives all info needed, along with pictures. This is where I got most of my info from.

Here is a link to it but you won't be able to read it until register and become a member.

http://4bangerjp.com/forums/index. php/topic,8.0.html

Good Luck,
John







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