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Project Blue Truck: '83 C20 - Rolling Chassis
- Thread starter FrostBite
- Start date
y5mgisi
1 ton status
Nice update!
chevysmithz71
1/2 ton status
Great build. Did you ever find out the issue of the 2wd to 4wd motor mounts?
FrostBite
1/2 ton status
I just chalked them up to buying with out doing enough research. I've decided to just build some, though if someone were to tell me of a factory 4WD pair that would swap in, I would probably use them.
FrostBite
1/2 ton status
Check out the tail housing.
That's also a 4L80e adaptor peeking out the back.
y5mgisi
1 ton status
Gawd that pretty!
FrostBite
1/2 ton status
Thanks dude. I saw "205 from a 91 crew cab" on CL, called and asked the dude about the tailhousing, and said "SOLD!"
Here are some more detailed shots of the adaptor. I'll have a for sale thread up once I get it cleaned up some.
I just need a short 32 spline case to pop up now and I will have all the parts I neeed for my doubler, minus yokes, and you know, the actual doubler adaptor.
Last edited:
FrostBite
1/2 ton status
Got the adaptor all cleaned up and on eBay. Its my first time listing something so I decided to see just how far I can push my luck with the price.
FrostBite
1/2 ton status
Yay or nay on cutting "speed holes" in the slider arms? If I do I will sleeve them with tube.
I don't know what is wrong with the one you have but the factory mounts 2wd and 4wd will interchange, the difference is the height of the bolt hole from the base plate is about 1/4" more on the 4wd.
From your pics it looks like it did fit, I don't see what the problem is?
Only 3 bolts are actually used if you were expecting all 4 bolts to fit, that i snot the case.
Reread the post:
The 4wd plates will fit with minor trimming, for some reason the are a tight fit and most times they will fit, but sometimes they need some trimming and sometimes just some massaging of the frame area.
FrostBite
1/2 ton status
I shelved them, but from memory there was no way to trim them to fit without trimming off the metal that has the bolt holes through it. I will dig them back out when I go to the shop.
Anymore updates? This is the first time I have ever seen this thread. Looks interesting.
Martin
Martin
andyblack
Registered Loser
Don't cut the holes in the arms. You know they're just going to stay packed up with mud if they have holes anyway. Man this is going to be one cool truck when you're done. 
My parents live in Berrien County, btw.
My parents live in Berrien County, btw.
y5mgisi
1 ton status
I dont think i would bother with the speed holes.
technically it would add strength, but to me that's a fair amount of labor for something that is mainly about esthetics... my effort would go elsewhere...
Cut the holes and sleeve em with tube. It will look ballin everytime your under the truck
FrostBite
1/2 ton status
Thanks everyone for weighing in and the compliments. I showed the Grand Judge (my girlfriend) the picture and she liked it so now I'm stuck with doing it. I tried free handing the 2" hole with the torch (which came out looking like asshole), then a holesaw for the 2.5", and then I rigged up a crude circle cutter for the 3" hole.
I decided to use a holesaw for both of the small holes and the circle cutter for the 3" only.
I also got my motor mounts made up and am just waiting on some DOM to make the frame side mounts.
I tried free handing the 2" hole with the torch (which came out looking like asshole), then a holesaw for the 2.5", and then I rigged up a crude circle cutter for the 3" hole.
I decided to use a holesaw for both of the small holes and the circle cutter for the 3" only.
I also got my motor mounts made up and am just waiting on some DOM to make the frame side mounts.
Nice speed holes 
