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Performance mods for a rock buggy? BACK FROM THE DEAD!

How to make it go fast

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Re: Performance mods for a rock buggy?

Postby Jeep-hauler » Sat Jun 21, 2014 12:05 am

Some updates:

Did a basic gasket match port job prior to installing the exhaust manifold.
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Also cut back and knife edged the divider going into the He351
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The front axle was built from a 78 Ford high pinion Dana 60, narrowed 5", and Solid Dana 70 style C's installed. Also built a simple plate style truss.
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Steering ram support structure and skid plate.
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PSC steering ram.
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Front chassis structure tacked together. Clearances are tight for everything. Probably going to use a air to water IC with a heat exchanger in the grill shell.
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Side profile with the nose together.
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'51 Power Wagon VE Cummins project.
'92 W250 -Got it cheap, it runs, it's ugly, it's a parts truck
'93 W250 -tweaked pump, 4" exhaust, NV 4500HD 5-speed. Jeep tow rig, daily driver. Sold.
Jeep-hauler
fuel screw!!!!
 
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Re: Performance mods for a rock buggy?

Postby DodgeFreak » Sat Jun 21, 2014 6:26 am

You do Awesome work man! love it.
92 D350 Cab and Chassis. Auto stock, wiring gremlins. 330k miles
92 W250 Ext cab rotted completely out. Auto, pump maxed, 215 ppump nozzles, Denny T2 pin.
85 D350 single wheel, converted to cummins, getrag, turned up 2 turns and afc screw flush.
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Re: Performance mods for a rock buggy?

Postby dazedandconfused » Sat Jun 21, 2014 6:54 am

DodgeFreak wrote:You do Awesome work man! love it.


I couldn't agree more! This thing looks better and better every time I see it.
Big Andy
1983 Dodge D150 that has been repowered with a 93 Cummins/518 running gear AKA The Ugly Duck! I would much rather build them then buy them.[
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Re: Performance mods for a rock buggy?

Postby RCCUMMINS89 » Sat Jun 21, 2014 9:06 pm

8)
89 RC on shortened 92 diesel frame - NV4500 w/dual disc/4.10s on 37s. - Self built pump, "hot screw", lots of timing, True high volume low pressure lift pump, 62fmw/68/.7gated, 77lpm SAC Inj., Studs/O-rings,- 423/1220 Mustang - 11/16/2013 http://www.TheHungryDiesel.com full line dealer, if you don't see it please ask.
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Re: Performance mods for a rock buggy?

Postby Jeep-hauler » Sun Sep 14, 2014 1:55 am

Some updates:

Most of the major fab work is done, and I brought it home to finish up in my garage. Here's what it looks like sitting on the bumpstops(no springs). I still have a ton of work to do to get it running.
Image

Image
'51 Power Wagon VE Cummins project.
'92 W250 -Got it cheap, it runs, it's ugly, it's a parts truck
'93 W250 -tweaked pump, 4" exhaust, NV 4500HD 5-speed. Jeep tow rig, daily driver. Sold.
Jeep-hauler
fuel screw!!!!
 
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Re: Performance mods for a rock buggy?

Postby oldestof11 » Sun Sep 14, 2014 7:42 am

Dude, that is sick looking. Best buggy I have ever seen.
Jon
93 D250~ Mismatch of cheap parts, trying to look fast going slow
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Re: Performance mods for a rock buggy?

Postby dazedandconfused » Sun Sep 14, 2014 9:23 am

Sweet! Keep up the good work.
Big Andy
1983 Dodge D150 that has been repowered with a 93 Cummins/518 running gear AKA The Ugly Duck! I would much rather build them then buy them.[
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Re: Performance mods for a rock buggy?

Postby offroad cowboy » Fri Oct 17, 2014 8:27 pm

very nice! I am going to start a 47 Willy's truck build soon. what size of tires you running?
1993 D250, tow rig, build project, lift 35's
1999 Jeep TJ. lots of mods, go just about anywhere! 38.5 Boggers
2008 jeep JK, some mods,37's
47 Willy's truck
offroad cowboy
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Re: Performance mods for a rock buggy?

Postby Knoberman » Sun Oct 19, 2014 9:56 am

Really liking it so far!
92 Cummins& a 518. installed in a 86 cclb f350 4x4
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Re: Performance mods for a rock buggy?

Postby Jeep-hauler » Wed Mar 11, 2015 10:19 pm

Update:

This thing is mostly together and runs. In fact, today was the first day I fired it up. I'm so stoked right now!
Image

Here's a short vid of my daughter going for a ride. Click on the pic.
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I still have tons to do and haven't done any tuning yet. Can't wait!
'51 Power Wagon VE Cummins project.
'92 W250 -Got it cheap, it runs, it's ugly, it's a parts truck
'93 W250 -tweaked pump, 4" exhaust, NV 4500HD 5-speed. Jeep tow rig, daily driver. Sold.
Jeep-hauler
fuel screw!!!!
 
Posts: 80
Joined: Tue Jan 15, 2008 12:26 pm
Location: Pacific North West
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Re: Performance mods for a rock buggy?

Postby dazedandconfused » Thu Mar 12, 2015 3:51 am

That is still the coolest rock buggy I've seen. Great job on it.
Big Andy
1983 Dodge D150 that has been repowered with a 93 Cummins/518 running gear AKA The Ugly Duck! I would much rather build them then buy them.[
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Re: Performance mods for a rock buggy?

Postby Remps » Thu Mar 12, 2015 6:36 am

^^ what he said. 8)
'90 D250 R/C,727,IC,6x.009's,1/8" bump,fuel psi,straight pipe w/5" stack.
'90 W250 R/C,47rh,K@N,HX35,1/8" bump,2nd gen IC,boost,egt,trans temp.3.07's.
'96 2500 S/C L/B,2wd,NV5600,3.54 L/S,cai,egt,pacbrake,mbrp exhaust,10 plate.
Bring back the Bank of Canada, PRE- 1974.
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Re: Performance mods for a rock buggy?

Postby RCCUMMINS89 » Thu Mar 12, 2015 9:49 am

Exactly!
89 RC on shortened 92 diesel frame - NV4500 w/dual disc/4.10s on 37s. - Self built pump, "hot screw", lots of timing, True high volume low pressure lift pump, 62fmw/68/.7gated, 77lpm SAC Inj., Studs/O-rings,- 423/1220 Mustang - 11/16/2013 http://www.TheHungryDiesel.com full line dealer, if you don't see it please ask.
RCCUMMINS89
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Re: Performance mods for a rock buggy?

Postby CumminsPower59 » Sat Mar 14, 2015 2:59 pm

Wicked cool!!!
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
04 VW Jetta Wagon TDI 5speed
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Re: Performance mods for a rock buggy?

Postby Jeep-hauler » Mon Apr 13, 2015 7:42 pm

Thanks for the compliments guys! I don't have any tech to add, but it worked great in Moab last week.

It crawled.
Image

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It hauled!
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Image

Image

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Drive by:
https://www.youtube.com/watch?v=bZhxi0w9QaE
'51 Power Wagon VE Cummins project.
'92 W250 -Got it cheap, it runs, it's ugly, it's a parts truck
'93 W250 -tweaked pump, 4" exhaust, NV 4500HD 5-speed. Jeep tow rig, daily driver. Sold.
Jeep-hauler
fuel screw!!!!
 
Posts: 80
Joined: Tue Jan 15, 2008 12:26 pm
Location: Pacific North West
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