Pro Rock Stock Class XJ Build

Hardline Crawlers - Rock Bouncer Builds, Tech & Off-Road Trail Talk

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It’s getting very close, waiting on some steering parts now. New suspension and fuel system are in. Doubt it’ll be at the race in 2 weeks, but should have it together and out in the woods soon.
 
ridered3 said:
How’s about some updates?
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Got it all together and entered my first race at windrock. The Jeep did good, had a couple fuel pump issues. I jumped off the oe harness for power and I believe the walboro pumps I put in need heavier gauge wiring and relays. Had to swap power wires between pumps manually. Ran out of time to add a switch on the dash. That’s going to get reworked soon. The new steering worked great, Psc delphi box, cbr pump and 8” assist cylinder. 2.25 turn lock/lock and 40* of steering. Will need to swap the front spool to a selectable at some point, it pushes through corners pretty bad. Remade the drag link to get rid of the bind the heims were in at full droop. Added some air bumps to the front that took a beating, will need to reinforce them some more before the next race. Also gutted the interior and added an interior cage around the driver compartment

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ridered3 said:
Thanks for the updates. How’d the race go?
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2nd place...or last place since it was only 2 of us. Zaboth got me by about a min or so on a 1.5 hr race. 8.5 mile course, 4 lap race and had to stop on the second and fourth lap with fuel pump issues.
 
ToyotaTom said:
Yes! Glad this thing is racing, good luck beating Zman.
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Yeah I had a good time racing him. I figured I had it lost when I had to stop on lap 2, ended up passing him on lap 3 with a flat then he got around me on 4 when we stopped again.
 
You are racing U4 stock class with your rear shocks mounted through the cab?
 
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Some more stuff done. Spare tire mounted, battery cover, gps, interior cage finished up

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TBItoy said:
proud yer still runnin the mud wompers :cool:
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I looked hard at getting the MRT tires a lot of stock guys run because of the toughness but these have the same sidewall ply thickness, deeper tread depth and only weigh a few pounds more. So figured what weight I was giving up they’ll make up for when we do east cost races. Plus they look good!
 
Jduck said:
I looked hard at getting the MRT tires a lot of stock guys run because of the toughness but these have the same sidewall ply thickness, deeper tread depth and only weigh a few pounds more. So figured what weight I was giving up they’ll make up for when we do east cost races. Plus they look good!
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I never had any complaints on them. They hook up well and they do look good on that thing
 
Man what an experience. Tons of work to get it ready and to the lake bed and then a ton of work on the lakebed. But we lined up and raced. We didn’t have the time we hoped to pre run and honestly I doubt it would’ve made much of a difference. Ultimately we didn’t have the suspension that was required to run the speeds to keep up with everyone else so we just ran as fast as we could and decided to knock down as many miles as possible. We finished lap 1 and headed out to do the big rock section and lost the clutch coming into pit 1. Found the line from the clutch master to the slave cylinder had gotten into something hot and melted hole in it. We did a bush fix and made it to roughly mile 112 or so before it failed again and we decided to call it before getting into the big trails. Super thrilled with how we did, we raced our race, had a lifetime of fun in 8 hours and made a ton of memories.

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Nice recap! What other races are you planning on for this year?

What needs to change in the suspension setup?
 
ridered3 said:
Nice recap! What other races are you planning on for this year?

What needs to change in the suspension setup?
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More uptravel. Most of the Xj’s racing are real tall. I feel like this set up would be competitive on the east coast but it just couldn’t handle the 3’ whoops that we were hitting out there. We were running between 30-35mph most of them time and the faster guys that passed us I’d guess were in the 45-50 range. The shocks were overheated and non existent around mile 50 or so and it got violent.

I knew it was a tough race, been told it’s tough, but until you experience it first hand you don’t truly understand just how hard it is. My hats off to the guys that race it year in and out and are successful at it.
 
Jduck said:
More uptravel. Most of the Xj’s racing are real tall. I feel like this set up would be competitive on the east coast but it just couldn’t handle the 3’ whoops that we were hitting out there. We were running between 30-35mph most of them time and the faster guys that passed us I’d guess were in the 45-50 range. The shocks were overheated and non existent around mile 50 or so and it got violent.

I knew it was a tough race, been told it’s tough, but until you experience it first hand you don’t truly understand just how hard it is. My hats off to the guys that race it year in and out and are successful at it.
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Makes sense all around there suspension wise.

Stock class is by far my favorite class to watch, which is shame due to lack of livestream coverage and usually lack of in-time finishers for a race like KOH.
 

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