Needing Advice for a Future XJ Setup
Thread Starter
CF Veteran
Joined: Oct 2009
Posts: 2,867
Likes: 16
From: Fauquier County, Virginia
Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
The only parts I ordered were the front output shaft because I was pressed for time, and a SYE from JB Conversions because it had the massive 32 spline shaft to handle the increase torque and HP.
The stock linkage can be modified to work, I tried and hated the results. I ended up doing a mod similar To this one:
http://www.bsfab.net/?p=26
Try this:
https://www.cherokeeforum.com/f2/np231-38011/
The stock linkage can be modified to work, I tried and hated the results. I ended up doing a mod similar To this one:
http://www.bsfab.net/?p=26
Try this:
https://www.cherokeeforum.com/f2/np231-38011/
Btw, this is the SYE you were talking about, correct?
http://www.jbconversions.com/product...1j_std_sye.php
Last edited by 1991Jeep_Man; Jun 10, 2011 at 09:42 AM.
CF Veteran
Joined: Apr 2008
Posts: 13,952
Likes: 17
Model: Cherokee
You'll have to modify your existing linkage in order to maintain the stock shift pattern.
This is the kit I used:
http://www.jbconversions.com/product...1c_std_sye.php
See my original thread on NAXJA for installing the correct VSS.
This is the kit I used:
http://www.jbconversions.com/product...1c_std_sye.php
See my original thread on NAXJA for installing the correct VSS.
Thread Starter
CF Veteran
Joined: Oct 2009
Posts: 2,867
Likes: 16
From: Fauquier County, Virginia
Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
Frank, in regards to your overheating issue, do you think this radiator with the addition of the Ford Taurus fan might prove to be a solution?
OPTION 3:
HEAVY DUTY THREE ROW
SpecificationsCore Size:31 X 10-5/16 X 1-13/16Inlet Header:10-5/16 X 2-1/2Outlet Header:10-5/16 X 2-1/2Inlet Connection:1-1/4 PASSENGERS SIDEOutlet Connection:1-1/2 DRIVERS SIDETransmission Oil Cooler: YESEngine Oil Cooler:NONEMounting:TOP CRADLE/BOTTOME PINNotes:THREE ROW, ALL METAL
OPTION 3:
HEAVY DUTY THREE ROW
SpecificationsCore Size:31 X 10-5/16 X 1-13/16Inlet Header:10-5/16 X 2-1/2Outlet Header:10-5/16 X 2-1/2Inlet Connection:1-1/4 PASSENGERS SIDEOutlet Connection:1-1/2 DRIVERS SIDETransmission Oil Cooler: YESEngine Oil Cooler:NONEMounting:TOP CRADLE/BOTTOME PINNotes:THREE ROW, ALL METAL
Thread Starter
CF Veteran
Joined: Oct 2009
Posts: 2,867
Likes: 16
From: Fauquier County, Virginia
Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
I was looking at the Novak radiator that was tossed around a few times. That's a serious amount of coin for a radiator. And I don't see how it would produce the cooling needed for the 350 if the HD 3 row isn't doing it. Plus, that one guy John I think is running a stock XJ rad. How is he getting by with good temps? Maybe the 350 in your XJ has a bad water pump or t-stat? Or needs flushed?
CF Veteran
Joined: Apr 2008
Posts: 13,952
Likes: 17
Model: Cherokee
pump is fine, the radiator is just not up to the task at higher speed.
PAnfd it's 5.3L (325ci) ...not a 5.7L (350ci)
JohnD on NAXJA replaced his OEM radiator with a Becool, but he still gets a bit warm at time as well.
PAnfd it's 5.3L (325ci) ...not a 5.7L (350ci)
JohnD on NAXJA replaced his OEM radiator with a Becool, but he still gets a bit warm at time as well.
Seasoned Member
Joined: Jun 2011
Posts: 419
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From: Wichita
Year: 1987
Model: Cherokee
Engine: 4.0
I am a chevy dodge guy that loves his jeep so I was wondering since the numbers were off to me lol. I'll hit um my contacts and see about this crazy 350 radiator people are talking about that's crazy small. Idk if it will work but ill see. Might help
Thread Starter
CF Veteran
Joined: Oct 2009
Posts: 2,867
Likes: 16
From: Fauquier County, Virginia
Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
I'm an idiot for gettin the c.i.'s mixed. I think I'll just stick with saying '5.3' lol. By the looks of things, I think Novak has some secret heating element in the mounts or something to create need for their rad. Kinda like how you had to buy their headers to clear the mounts lol. But in all honesty, when I do this swap, I think to save some hassle I might just save and save (and save some more) and just bite the big bullet for their radiator. Hopefully it would work well.
CF Veteran
Joined: May 2011
Posts: 1,381
Likes: 0
From: EAFB, SD
Year: 1994
Model: Cherokee
Engine: 4.0 HO
I'm an idiot for gettin the c.i.'s mixed. I think I'll just stick with saying '5.3' lol. By the looks of things, I think Novak has some secret heating element in the mounts or something to create need for their rad. Kinda like how you had to buy their headers to clear the mounts lol. But in all honesty, when I do this swap, I think to save some hassle I might just save and save (and save some more) and just bite the big bullet for their radiator. Hopefully it would work well.
Originally Posted by wiki
The LM4 (VIN code "P") Vortec 5300 is an aluminum block version of the LM7, and had a short production life. It should not be confused with the L33 described below.
LM4 applications:
LH6
The LH6 with Active Fuel Management replaced the LM4 for 2005, and was the first of the Generation IV small block V8 truck engines to go into production. It is the aluminum block counterpart to the LY5.
LH6 applications:
The LC9 Vortec 5300 is the Flex-Fuel version of the LH6, and is found in 4WD models. SUV applications are rated at 310 hp (231 kW) and 335 ft·lbf (454 N·m) of torque.
LC9 applications:
LM4 applications:
- 2003–2004 Chevrolet TrailBlazer EXT
- 2003–2004 Isuzu Ascender
- 2004 GMC Envoy XL
- 2003–2004 Chevrolet SSR
- 2004 Buick Rainier
LH6
The LH6 with Active Fuel Management replaced the LM4 for 2005, and was the first of the Generation IV small block V8 truck engines to go into production. It is the aluminum block counterpart to the LY5.
LH6 applications:
- 2004–2009 Chevrolet TrailBlazer including EXT (through 2006)
- 2005–2009 GMC Envoy Denali
- 2005–2006 GMC Envoy XL
- 2005 GMC Envoy XUV
- 2005–2007 Buick Rainier
- 2005–2009 Saab 9-7X
- 2007 Chevrolet Silverado 1500
- 2007 GMC Sierra 1500
The LC9 Vortec 5300 is the Flex-Fuel version of the LH6, and is found in 4WD models. SUV applications are rated at 310 hp (231 kW) and 335 ft·lbf (454 N·m) of torque.
LC9 applications:
- 2007–present Chevrolet Avalanche
- 2007–present Chevrolet Silverado 1500
- 2007–present Chevrolet Suburban 1/2 ton
- 2007–present GMC Sierra 1500
- 2007–present GMC Yukon XL 1/2 ton
Last edited by cdawall; Jun 12, 2011 at 11:10 AM.
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