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Old 01-26-2019, 06:13 PM   #51
slimjim66
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Re: Slammed 1966 GMCummins 12v

Finished the motor mounts, what a pain they were. Glad it’s over. Also welded the oil pan back up and checked for leaks. One leak that needed fixed but other than that it held some slightly dirty mineral spirits for 24 hours without a drop. Now I have to install a drain plug.
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Old 01-26-2019, 06:18 PM   #52
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Re: Slammed 1966 GMCummins 12v

Aired out and full of air, all the way up I got about 11” of clearance from the bottom of the chassis. So I should be good to pick my perfect ride height. I’m really hoping the weight of the truck slams it a bit more than it is aired out. There’s another inch there which is perfect. I don’t want it directly on the ground in case of a air failure while driving (which I’ve had with my Lincoln) it’s nice to be able to steer it and load it on a flat bed if need be.
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Old 01-26-2019, 06:23 PM   #53
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Re: Slammed 1966 GMCummins 12v

For those keeping score, when I bought the Cummins it came with a 727 torqflight trans (3 speed non lock up converter) which wasn’t going to cut it for me, so I searched and searched for a 2 wheel drive 47rh from a 95 Cummins. Fairly rare item up here in Canada since everything is always 4 wheel drive. I’ll be doing a full rebuild and some slight mods to this in case I throw some power at it down the road.
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Old 01-26-2019, 06:28 PM   #54
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Re: Slammed 1966 GMCummins 12v

Wire wheeled the block after it came back from the machine shop, full rotating assembly is ready to roll. I think I’ll start the rebuild next weekend.
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Old 01-26-2019, 06:33 PM   #55
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Re: Slammed 1966 GMCummins 12v

So, now that I’m at this point I’ll ask for some advice. The truck will be the OG patina (silver) it already is, interior colour probably gun metal grey or black, engine bay will also be gun metal grey or black soooo what colour should these guys be. The block will be black and these pieces here will be my only source of colour if any.

Your looking at the 6 rocker covers, turbo and intake tube

What you guys think???
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Old 01-26-2019, 07:04 PM   #56
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Re: Slammed 1966 GMCummins 12v

Chevy orange?
Are you concerned about the smaller capacity of oil the pan now holds?
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Old 01-26-2019, 07:27 PM   #57
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Re: Slammed 1966 GMCummins 12v

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Chevy orange?
Are you concerned about the smaller capacity of oil the pan now holds?
I’ve never thought of Chevy orange. Kinda of a oxymoron but I kinda like it too.

As for the oil pan, I measured the volume I took out by filling the cut off piece with water. I’ll be loosing 1.5 litres. But I will have the pick up tube half inch closer to the bottom of the pan than stock sooooo, I’m guessing I’ll only be out about .5 litres/quarts for you Americans when it’s all said and done. So I’m sure I’ll be able to “over fill” the capacity buy half a litre and not notice any difference. This isn’t a high performance build so sucking the pan dry “shouldn’t” be a problem.
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Old 01-26-2019, 07:53 PM   #58
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Re: Slammed 1966 GMCummins 12v

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Chevy orange?
Are you concerned about the smaller capacity of oil the pan now holds?

also i should have mentioned, the factory capacity is 12 quarts/liters so at most loosing half or a full quart shouldn't be a problem........ i hope lol


my buddy did mention if its to much of a lose an axillery oil tank coming off the side of the pan can be added, i hope it doesn't come to that but it is an option. i have the room.
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Old 01-26-2019, 08:21 PM   #59
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Re: Slammed 1966 GMCummins 12v

You dont want to overfill the pan and have the crank spinning in the oil.
Doesn't sound like, at 12L capacity, that you will be missing too much oil from the factory design.
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Old 01-26-2019, 11:26 PM   #60
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Re: Slammed 1966 GMCummins 12v

Beauty! You should definitely get those engine parts in the Cummins red! That’s what I would suggest. Good looking work! Keep at it

Last edited by AJCK87; 01-27-2019 at 12:16 AM.
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Old 01-27-2019, 10:58 AM   #61
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Re: Slammed 1966 GMCummins 12v

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You dont want to overfill the pan and have the crank spinning in the oil.
Doesn't sound like, at 12L capacity, that you will be missing too much oil from the factory design.
ya you're right, we will see i guess. ill have to take it slow, if only i could stick your head in there while its running to see how much im working with haha
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Old 01-27-2019, 11:00 AM   #62
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Re: Slammed 1966 GMCummins 12v

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Beauty! You should definitely get those engine parts in the Cummins red! That’s what I would suggest. Good looking work! Keep at it

you know, I've been told from a few people to do it in the cummins red. i guess what it will come down to is what colour of powder the powder coaters have.
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Old 02-10-2019, 07:03 PM   #63
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Re: Slammed 1966 GMCummins 12v

Started the motor today, cleaning and cleaning and cleaning and...... you get the rest. This is a stock rebuild so I took out the trusty plasti-gauge to check clearances. Nothing to crazy here, stock new bearings/seals rebuild, new turbo cartridge, reman injection pump. Only thing that’s going over board is the injectors. They’re big, lots of black smoke will happen.
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Old 02-10-2019, 07:05 PM   #64
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Thumbs up Re: Slammed 1966 GMCummins 12v

DAP injectors, 7x.016.
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Old 02-18-2019, 01:33 PM   #65
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Re: Slammed 1966 GMCummins 12v

Following.
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Old 02-18-2019, 08:30 PM   #66
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Re: Slammed 1966 GMCummins 12v

Fresh cartridge for the turbo, the one that came with it was damaged so a new one was needed. The idiot (previous owner) put a ratchet strap hook in the comp side and chipped 3 fins.
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Old 02-18-2019, 08:33 PM   #67
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Re: Slammed 1966 GMCummins 12v

KDP (killer dowl pin) mod was done. For anyone who knows anything about these 12 valves is they will run forever, providing the dowl pin doesn’t fall out and destroy everything. I made this myself (25 minutes of work) or you can buy the kit for $80.
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Old 02-18-2019, 08:37 PM   #68
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Re: Slammed 1966 GMCummins 12v

Motor is getting there, I’m gonna get it running and make sure there isn’t any leaks or anything before I paint it. New air filter fits like a glove. I’ll hit up the hardware store tomorrow and grab some metric bolts and NPT plugs to finish some things up. I’m not a big fan of the felpro blue rubbers so I’ll have to track down some black ones to change them out.
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Old 02-18-2019, 08:43 PM   #69
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Re: Slammed 1966 GMCummins 12v

Man!! Cleaning the old paint and crap off these injector lines was a pain. Took me about 2 hours to clean this set. Still got more to go plus another set of 3.

Building an old truck is 70% cleaning/stripping all the paint and old crap off of the stuff your re using.
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Old 02-18-2019, 11:24 PM   #70
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Re: Slammed 1966 GMCummins 12v

Looks great slim.
Yes I too have been guilty of not providing feedback to other builds, but it's what we do I guess. Continue on with the updates we are all watching.
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Old 02-19-2019, 01:29 PM   #71
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Re: Slammed 1966 GMCummins 12v

Looking good Slim, cant wait to see that engine all painted!
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Old 03-10-2019, 08:38 PM   #72
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Re: Slammed 1966 GMCummins 12v

Back at it guys, took some time off for a winter vacation. My wife and I took a Caribbean cruise for our honey moon. It was a blast. The motor is completely back together ready for the first fire. Just need some fluids. I had to notch the front rail to clear the AC compressor. CanÂ’t wait to hear this thing run.
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Old 04-01-2019, 01:49 PM   #73
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Re: Slammed 1966 GMCummins 12v

Motor runs good, fired right up after priming the lines. It’s kinda on the back burner for now. I picked up a new blower kit for my Lincoln so I’ll be working on getting it ready for the summer for now.

Last summer I had a crazy brain fart and sold my blower set-up to only find out that I needed it back lol. I ditched the 2” blower spacer and added a shorty crank trigger distributor. Can’t wait to get it back running.
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Old 04-03-2019, 01:54 PM   #74
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Re: Slammed 1966 GMCummins 12v

Chassis looks great. I have always appreciated people doing it on their own (not to knock the people who buy kits).
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Old 04-06-2019, 10:35 PM   #75
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Re: Slammed 1966 GMCummins 12v

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Chassis looks great. I have always appreciated people doing it on their own (not to knock the people who buy kits).

thanks man, when i started this build i could have just called some major companies and had them ship me all the parts i wanted. but i didn't want another truck at the show that was just a bolt together high dollar truck. i wanted something i can say i built and I'm proud of. sure when i part ways with it, it won't be worth what a full Porter built chassis or whatever is, but at least i can say i did it myself with the tools i own. I've learned a lot and i keep learning from this build. can't wait to keep going on it.
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