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09-03-2016, 10:20 AM
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#1 |
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Registered User
Join Date: May 2012
Location: S.E. MI
Posts: 168
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Any luck with 700r4?
Has anyone had good luck with a "built" 700r4 Trans in a mildly built 4x4? I have a 72 blazer with a mild 355/700r4/np205 35" tires with 4.56 gears and a stock converter. Everything is all fresh and I'm having nothing but problems. I'm running a summit 600 carb with the correct brackets and the tv cable has been set at wot. At first it was shifting up and down nice but as soon as you're in the shift it was like driving through a mud pit. So I put a little more pressure on the cable and it seemed a little better but it still short shifts, and downshift before passing was extremely inconsistent (rarely worked). On my way to a buddies to set my total timing and put a pressure gauge on the Trans it didn't want to let go of 3rd so I just took it home. Most of the problems are at part throttle driving. At wot from a stop the things a beast. Is it a matter of recalibrating the governor? I've heard people love them when they're built and tuned right.
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1968 k10 lwb-swb stepside 1936 chevy truck 1977 corvette My 68 lwb-swb 4x4 http://67-72chevytrucks.com/vboard/s...d.php?t=527176 1972/68 blazer 4x4 http://67-72chevytrucks.com/vboard/s...d.php?t=641824 |
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10-26-2016, 11:47 AM
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#2 |
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Registered User
 Join Date: Jul 2007
Location: slc, ut
Posts: 318
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Re: Any luck with 700r4?
You definitely need to tune the govenor
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Phil '70 Longhorn 421 700r4 tach 4 wheel disc hydroboost daily driver '72 short super build 4wd '72 Suburban LT4 coming soon!! |
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10-27-2016, 12:38 AM
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#3 |
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Registered User
Join Date: Oct 2013
Location: Palisade Colorado
Posts: 172
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Re: Any luck with 700r4?
I'm not expert, but I would look at the governor. TV cables have a lot to do with the operation of the 700. look at bowtie overdrives. they have really nice TV kits, and they offer great support. I'm sure they could help you out.
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10-27-2016, 07:04 AM
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#4 |
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Registered User
Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,545
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Re: Any luck with 700r4?
I built my own in 2000. Been good and strong ever since.
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70 swb 4x4 406sbc 700r4 203/205 d60/14blt locker yadda yadda http://67-72chevytrucks.com/vboard/s...88#post6935688 Yeller 72 Blazer 2wd conversion project "No Daggum Money" http://67-72chevytrucks.com/vboard/s...d.php?t=550804 LS1-T56 3.73 LSD super budget build Blanco-2014 Sierra SWB https://67-72chevytrucks.com/vboard/...d.php?t=810350 |
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11-03-2016, 02:17 PM
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#5 |
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Registered User
Join Date: Sep 2010
Location: Lake Tahoe, Nevada
Posts: 755
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Re: Any luck with 700r4?
And it's important to know that the TV cable on the 700R4 isn't like the TH350, it's not just a kickdown. The setup is extremely important, because regulates a lot of the fluid pressures inside the transmission, clutch pressures, shift points, ALL of it. It needs the proper movement at ALL throttle positions, not just WOT.
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I know a little about cars, but if you have a question about electricity or sport quads, I'm your man!!! |
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11-03-2016, 02:39 PM
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#6 |
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Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: Any luck with 700r4?
That, and 700R4 (and 200-4R) are known for sticky TV valves.
I have a 700R4 in my Suburban. It's shifting great.
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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