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Old 03-12-2018, 05:05 PM   #1
69gmcummins
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Cummins swap 12 valve

Hello everyone,

First post in a long time. I recently started a cummins conversion in my 69gmc. Motor is In and just started all the tedious small tasks. Currently hooking up the master for the nv4500. Any tips and tricks for mounting and throw? Gotta love pictures I'll start posting some. Any info/advice is greatly appreciated.

Cheers all.
Keep on building!

1969gmc 3/4 ton
93cummins 12 valve
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Old 03-12-2018, 08:25 PM   #2
slimjim66
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Re: Cummins swap 12 valve

to cool man, I'm about to start a 12v swap into my 66 c10. i do have a question for you... how did you do the motor mounts? what did you use? can you show some pics?
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Old 03-12-2018, 09:42 PM   #3
projectking
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Re: Cummins swap 12 valve

Looking good! Check my build thread for the clutch master.
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Old 03-13-2018, 08:20 PM   #4
Dieselwrencher
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Re: Cummins swap 12 valve

Very nice truck and the install is looking nice too.
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Old 03-16-2018, 04:27 PM   #5
69gmcummins
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Re: Cummins swap 12 valve

Hey there, so far it's been pretty smooth. Lots of planning and measuring but when it comes to the engine mounts I decided to have them mount on top of the frame similar to the ford mounts you can purchase online. I drew up my own while I had the motor on the hoist In where I wanted it. Maybe a little overkill but I used half inch steel to fab the mounts. As you can see in the pictures the drivers side is slightly offset to clear the power steering. Good luck it's loads of fun. Can't wait to have it on the road.
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Old 03-22-2018, 10:01 PM   #6
6BT 56
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Re: Cummins swap 12 valve

I like the way you did the mounts . I put the whole 1 st gen crossmember in mine. Yours look like a better approach to me .
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Old 03-23-2018, 12:45 AM   #7
dieseldude4bt
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Re: Cummins swap 12 valve

Those mounts will transfer more vibration to the frame than the first gen crossmember and mounts would.
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