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Old 01-07-2010, 02:44 PM   #1
my67chevytruck
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Re: Project 71 k20 retro

Doug,

looks like your making progress. post pics of the '72 as well. best of luck with your build.
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1956 Chevy Apache
1967 C10 SWB FleetSide (under construction)
1969 K10 SWB FleetSide (Future Build)
1972 C10 SWB Stepside (Future Build)


56 chevy truck :
http://www.cardomain.com/ride/2955823/1

67 truck build:

http://www.67-72chevytrucks.com/vboard/showthread.php?t=281357/1


69 k10:
http://67-72chevytrucks.com/vboard/s...d.php?t=389470
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Old 01-07-2010, 08:47 PM   #2
doug70
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Re: Project 71 k20 retro

ok, pretty cold today, but got the ho52 and springs removed. got the latest corporate torn down. Looks ok, but not a posi. removed the hood too, weather permitting should have the front clip removed tomorrow and maybe a little more. Should have the frame ready for blasting this weekend. I have the paint ready for the frame and differentials.

Doug
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Old 01-08-2010, 04:36 PM   #3
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need some nv4500 help

I found a 1993 k3500 with a nv4500. I have not gone to see the truck yet, but someone was telling me that I can't use the 93 Tcase because it is on the wrong side. Can someone tell me if this is true? What can I use from the 93?

I have a np205 27 spline and the adapter costs more than the 93 truck.

Thanks,

Doug
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Old 01-10-2010, 09:16 AM   #4
doug70
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Re: Project 71 k20 retro

ok, I think I have a plan for the trans.

1993 NV4500, 1993 bellhousing with passenger side slave, clutch and brake pedals from 93, flywheel from 93, new clutch,pp,flywheel,pilot bearing
1971 NP205 8 bolt style(racetrack)
1983 TH400 to NP205 adapter with integrated mount and new special gasket
rebuild np205 and machine for large bearing, install 32 spline input shaft

Put it all together and hope for the best. I have read there may be some driveline clearance issues with the passenger side slave, but not everyone has experienced this problem. I will have to deal with that if it is a problem.

I expect it will tank driveshaft modification.

Did I miss anything?

Doug
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Old 01-10-2010, 12:34 PM   #5
doug70
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Re: Project 71 k20 retro

I think I found a name for the project. Since it will be the lime green, I will call it "grasshopper".

Doug
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Old 01-10-2010, 06:42 PM   #6
doug70
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Re: Project 71 k20 retro

Quote:
Originally Posted by my67chevytruck View Post
Doug,

looks like your making progress. post pics of the '72 as well. best of luck with your build.
Here is a pic of the 72 before it was taken apart.

Doug
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Old 01-10-2010, 06:48 PM   #7
doug70
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Re: Project 71 k20 retro

Ok, a little warmer the last couple of days. The plumbing still hasn't thawed in the shop, but I got a little done. Completely disassembled the 2 corporate 14 bolts. I took the springs apart. The 3/4 ton had 5 leafs with overloads and I think the 1 ton had 9 springs. I am doing some swapping and building new spring packs from the 2 sets. Cleaning up the 81 14b and using that case. It had the broken posi in it. Still looking for a replacement. May have to buy a new Detroit locker.

I can put it in the open carrier that was good.

Tomorrow I go after the nv4500 so little will get done.

Doug
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