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04-05-2009, 05:24 PM | #1 |
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Join Date: Sep 2002
Location: Northwest,Indiana
Posts: 128
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Tough Decision need advice:
About 6 months ago I picked up a 1970 K20 with what appears to be a 73-80 something drivetrain. A 350, th350 and np203 to be exact. In the last month I picked up a 75 or so K20 parts truck with a 350 crate motor (less than 10,000 miles) th400 and np203. Then I bought back my old plow truck a 1987 chevy blazer 350, 700r4 and np 208 with 165,000 miles. I want to keep the 1970 K20 as it is a classic, but use the best drive train. This is my work truck and will be used as a utility vehicle plowing, hauling dirt and supplies etc. I really liked the fuel injection on the blazer but it is probably the weakest engine of the bunch and absolutely hated the overdrive of the 700r4. The early 700's kicked in and out of overdrive all the time. The other thing I loved about the blazer was the shift on the fly 4wd of the np208. What would be the strongest most reliable drive train for a seldom driven 3/4 ton 4x4 work truck thats going to be worked when used?
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67' Chevy C10 Lwb small rear window 71' Gmc 1500 custom 4x4 72' Gmc Grande Sierra |
04-05-2009, 08:29 PM | #2 |
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Join Date: Oct 2006
Location: Evans, Colorado
Posts: 530
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Re: Tough Decision need advice:
Put the TBI on the 10k engine, backed by the 700r4 with a shift kit ( that will eliminate the kicking in and out) and the 208... If you really hate the 700r4 then the th400 would be the strongest, but I would use the np208 for the weight savings, plus the shift on the fly is nice when plowing.
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04-06-2009, 06:14 PM | #3 |
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Join Date: Jan 2009
Location: gilboa ny
Posts: 91
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Re: Tough Decision need advice:
X2 the 700 is a good trans with a shift kit. the 208 should fit the 400 or 700 they both have the same spline out put.
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