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Old 08-05-2007, 09:49 AM
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6BT Cummins in 87 V3500

Hey all,

Been a while, but I have another project going. I thought I would drop in and see if any of you have tinkered in this area.

I bought an 87 V3500 that had a 6.5T transplant. After spending a good deal of money getting the bugs worked out from the crappy installation, the power steering pulley broke and overheated the engine. So, I am working on a 6BT (5.9 cummins) transplant.

I have a deal working on a 190HP P pump engine from a F700 Ford. It will have as much potential as the truck can handle. Anyhow, I am planning to keep the TH475 for now since it is freshly rebuilt and seems to work well. There are a couple of issues with this; handling the low RPM torque, and no OD with 4:10 gears out back. I am planning to go to 3.42 front and rear gears. With the 35"s It would cruise at 2300RPM at 70MPH.

I am using the engine/transmission components from a 4BT/TH475 powered bread van for the conversion. The issue with this is that it is clocked 7 degrees to the passenger side. I am debating on whether the front drive shaft will be okay if I put the angle in the transmission and keep the engine straight up. The issue is it clocks the NP205 up in the back. I have it clocked and chocked up and the driveshaft still turns free. I am thinking this should be okay?

Anyhow, if any of you have messed with this or have any ideas I am open. I have everything but the engine at this point.

Chris
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Old 08-06-2007, 07:37 AM
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Turbo, good to see you back up and going. I have not had any experience with the Cummings, but have watched a one ton Dually keep on ticking for the last sever years in SW Ks with a transplanted Cummings. It is owned and operated by a small town salvage yard guy that uses it for about everything you could do with a 4WD dually. I'll get more info this fall and send the details of his conversion if I can remember!!

Trees
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Old 09-14-2007, 12:50 PM
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Almost Finished

Well, the project is almost finished and I hope to bust it off for the first time this weekend. I still have a good deal of plumbing and fabrication to do, but it is getting close. I got the chevy A/C compressor mounts made and the alternator fitted as well. It is nearing the final stretch.

You can see the S10 sitting beside this one in the last pic....hehe....it looks like a toy truck.
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Old 09-14-2007, 01:23 PM
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Nice truck So when do we get to see the burnout photos
Shane
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Old 09-14-2007, 02:20 PM
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Originally Posted by Chevrolet4x4s
Nice truck So when do we get to see the burnout photos
Shane
Hehe...well, lets get the Cummins runnin first
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