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Another Ramcharger Cummins Build... but with a twist.

Old 09-10-2016, 11:10 PM
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I was able to get the 2wd front assembly off after removing the remaining rivets and the 4 top bolts. I did have to cut the 2 support brackets allowing the assembly to drop down off the frame. I then moved everything forward allowing the front crossmember to clear the frame. I tried to surgically remove the brackets just in case someone wanted to weld everything back together again.

I started mocking up the new 4x4 front end parts. I will set the motor crossmember tomorrow and share more pics of everything coming together.
Old 09-10-2016, 11:23 PM
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Old 09-11-2016, 09:16 AM
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Lookin good
Old 09-11-2016, 07:38 PM
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Okay guys. I used the 88 RC 4x4 to cut out a template. Using a 15/16 socket in the frame guide hole, i located the 4 motor crossmember rivets on a 1/4 piece of plywood.



Here is the template that I will transfer the d250 frame. It should work out prefectly as a carbon copy of the RC 4x4 frame. More of an update tomorrow. :-)


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Old 09-11-2016, 11:47 PM
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Good thinking....And remember the factory tolerances were 1/8" to 3/8"....
Old 09-15-2016, 07:28 PM
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More demo work and then the build up begins. I also ordered the new GM 56" rear springs. I hope to get the front suspension done this weekend and the rear at least mocked up.

Old 09-16-2016, 04:13 PM
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I bet the FedEx guy/gal was not too happy with me today...


Old 09-16-2016, 11:54 PM
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Those look friggin heavy! Surprised that they even brought them out to you for delivery...not make you come to the warehouse to pick them up.
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Old 09-20-2016, 06:32 AM
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When I put my 318 on the scale, it weighs in at 642.5 lbs with all the accessories on it. The 4bt is running around 713lbs with no accessories. With A/C, alternator and all the good stuff it comes in around 751.8 lbs. It's a 100lb difference really. 6bt weighs around 1200 lbs? So you're adding around double the weight.

With the leaf springs you cover a huge surface area so the RC frame would handle the 12V easily. The surface area funnels to a point, the axle. I don't think the stock RC axles can handle the 6BT. You might be able to run it for awhile.. but overtime it's not a reliable solution. A dana 60 would increase the point by a much larger tube. King pins are stout and can handle the down/side2side pressure. The ball joints from the dana 44 would take a huge beating.

The other point of failure is the side 2 side motion when you hit a pot hole or a frost heave in the road. I would tend to the cross member, beef it up
Old 01-10-2018, 12:59 PM
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While doing some brain storming for my RC build, I re-read this thread.
Whatever happened to the project?
I see the OP was on DTR just last week... Any progress?
I am interested in how you liked those 56 GM springs on a RC.
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