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03-29-2004, 11:41 PM
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#1 |
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MY TRUCK IS FOR SALE!!
Join Date: Sep 2003
Location: Pasadena, TX
Posts: 292
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My Tranny went out!!!! WTB a New (used) one
I have a 1979 Chevy Pickup Longbed with a 350 in it...
Tranny went out today, I think. Wont shift out of first gear. I need a new(used) one... Anyone near Pasadena or Houston, TX that might have one????
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1979 Chevy LWB 350ci / 700R4 Edelbrock under the hood F O R S A L E OR T R A D E 
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03-30-2004, 12:30 AM
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#2 |
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Registered User
Join Date: Jan 2004
Location: Oklahoma
Posts: 1,057
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did you make sure the vacuum line is still hooked to the modulator? that is what my th350 acted like then the hose came off.
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Youth soon passes away, but immaturity can last a life time. |
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03-30-2004, 01:14 AM
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#3 |
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Senior Member
Join Date: Aug 2003
Location: Sugar Land, TX
Posts: 1,007
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if you want to attempt to diagnose yourself and to get more info, look at:
www.netgearhead.net I rebuilt my 700r4 myself thanks in part to that site. |
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03-30-2004, 02:40 AM
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#4 |
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Professional Grade
Join Date: May 2003
Location: Fort McMurray, Alberta
Posts: 7,915
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Hey aggiedave98
I'm gonna be rebuilding a 700r4 in the next couple of months and I'm gonna be needing help... I wanna build one that can stand up to a mild 355 putting out at tops around 300 - 340 HP off the flywheel, and around 350 - 400 ft lbs of torque or so The one I have has a lot of km on it, and a blown seal so it needs a total overhaul. I've never done anything like this, and thats the reason why I am getting it so I can rebuild it 
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1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap) |
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03-30-2004, 09:46 AM
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#5 | |
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MY TRUCK IS FOR SALE!!
Join Date: Sep 2003
Location: Pasadena, TX
Posts: 292
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Quote:
And the hose did come off... so when I re-attached it the trannsmission still wouldnt shift out of first... Kinda pisses me off!!
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1979 Chevy LWB 350ci / 700R4 Edelbrock under the hood F O R S A L E OR T R A D E
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03-30-2004, 10:54 AM
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#6 |
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Professional Grade
Join Date: May 2003
Location: Fort McMurray, Alberta
Posts: 7,915
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Anothering thing to check
How is your ATF level? If it isn't totally full of fluid, it won't shift properly...
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1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap) |
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03-30-2004, 11:34 AM
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#7 |
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Registered User
Join Date: Oct 2001
Location: Pittsburgh, Pennsylvania USA
Posts: 461
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Trans Trouble
I may have missed the transmission type, but each has its irregularities. On an older unit I couldn't get the upshift, and it was the govenor. This was a powerglide.
On a 79 camaro with a 350, it was the TV cable being "stuck" on a barb or nick in the cable, the TV happened to be at the near wide open throttle setting, due to my big foot, and did not retract as designed for a lighter throttle shift, hence it might have shifted out of first at 5000 RPM. The short term cure was to disconnect, and manually push it back in the sheath, then lay it on the manifold until I got it home and changed the TV. You will not have kick down. This may be suitable for a 350 turbo, but I would not drive a 220r4 or 700r4 like this. They will consume the clutch paks if the TV is not exactly where it has to be. Hope this helps. |
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03-30-2004, 11:14 PM
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#8 |
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MY TRUCK IS FOR SALE!!
Join Date: Sep 2003
Location: Pasadena, TX
Posts: 292
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Today a friend of mine with the same truck told me that it could be the vacum modulator.
I got one for $2.99. Pulled out the old one and got dosed with trans fluid... I KNEW that must have been it, I didnt think that was right. Kinda got happy and mad at the same time.... Put the new modulator on, fired up the truck, and took it for a spin ...................... STILL WILL NOT SHIFT OUT OF FIRST!!!!!!!!!!!!!!!! CRAP!!!! 
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1979 Chevy LWB 350ci / 700R4 Edelbrock under the hood F O R S A L E OR T R A D E
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04-01-2004, 10:06 PM
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#9 |
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Registered User
Join Date: Nov 2002
Posts: 272
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I live over here in Beaumont there is a guy that is always on www.southeasttexas.com I think he is rebuilding them for $400.00 He is in the auto parts section. If you want to up grade to a 700R4 I have one that works great for $200.00
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04-01-2004, 10:41 PM
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#10 |
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MY TRUCK IS FOR SALE!!
Join Date: Sep 2003
Location: Pasadena, TX
Posts: 292
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Please dont loose that 700r4....
Might be very very interested!!
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1979 Chevy LWB 350ci / 700R4 Edelbrock under the hood F O R S A L E OR T R A D E
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04-02-2004, 01:15 AM
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#11 |
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Account Suspended
Join Date: Dec 2003
Location: Texas
Posts: 2,686
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400 is kinda high IMO my local trans shop will build one for around 275 with new convertor and mild shift kit.
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04-02-2004, 09:21 AM
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#12 | |
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MY TRUCK IS FOR SALE!!
Join Date: Sep 2003
Location: Pasadena, TX
Posts: 292
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Quote:
I dont want my 350 rebuilt, unless I do it myself...
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1979 Chevy LWB 350ci / 700R4 Edelbrock under the hood F O R S A L E OR T R A D E
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04-02-2004, 11:08 AM
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#13 |
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Registered User
Join Date: Nov 2002
Posts: 272
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Just e-mail me if you want it. I'm always going to houston so I can help in getting it to you. I just need to get rid of it. Its been sitting for a year all sealed up. Like any good board member should since we have had a few people get taken for a ride
 I'll stand behind the sale of this transmission in writing.
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04-02-2004, 11:32 AM
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#14 |
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Registered User
Join Date: Mar 2003
Location: Northern Illinois
Posts: 2,181
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04-02-2004, 09:02 PM
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#15 |
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Led Sled! Discs R 4 ME!
 
Join Date: Jan 2001
Location: Toms River, NJ, USA (Transplanted Hoosier)
Posts: 7,327
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Ya probably thought of this but check the modulator vacuum line for fluid/cloggs. That will cause the problem as well. If the line was off something could have gotten there.
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04-02-2004, 09:53 PM
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#16 |
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MY TRUCK IS FOR SALE!!
Join Date: Sep 2003
Location: Pasadena, TX
Posts: 292
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Alright here is what I did today....
A friend of mine told me to take out the govener (my spelling sucks) and clean it really really good so that the shaft in the middle doesnt have a problem moving up and down,,, Did that, still wont shift...... "on its own" I tried to shift it manually and it worked... all three gears..... My friend also told me to check the vacum pressure at the carb and that it should be 14 - 17 in of pressure... it wasnt pulling any pressure at all so I moved it to the next post on my edelbrock carb which was pulling 14 - 17 in of pressure.... still wont shift on its own... NEXT I plan to buy a new hose to go from the carb to the metal pipe that goes to the (brand new) rubber hose to the vacum modulator.... Tell me what you guys think.....
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1979 Chevy LWB 350ci / 700R4 Edelbrock under the hood F O R S A L E OR T R A D E
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04-03-2004, 05:27 PM
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#17 |
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Murph
Join Date: Jan 2004
Location: Central Minnesota
Posts: 206
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One thing to remember with that edelbrock is that if you are checking the vaccum at idle, one of the tubes is ported and one is full vacuum. Doesn't make much difference which one the tranny is hooked up to since you will be on the gas when it is shifting, but sure does when you are checking the vacuum pressure.
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Mike Vehicles: 1982 C20 2003 GMC Sierra |
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04-04-2004, 05:16 PM
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#18 |
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91 SWB 383
Join Date: Feb 2003
Location: Crandall,TX
Posts: 643
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if u r close to dallas . the guy that did cost me 250.00 with shift kit . it comes with 1yr or 12,000 miles wirt
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96 2dr Tahoe protruning LS1 347/4L60L, PSI harness, body dropped, 4link, 6lug conv, narrowed rearend, Schoenfeld headers, 2600 stall, 317 heads milled .040, http://photobucket.com/albums/q169/k...ahoe prostreet |
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04-04-2004, 05:20 PM
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#19 |
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MY TRUCK IS FOR SALE!!
Join Date: Sep 2003
Location: Pasadena, TX
Posts: 292
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Alright today I checked to vacum pressure at the vacum modulator and I had no
vacum at the MOD. So what I did was got to the local auto parts store and got some vacum hose... ran it directly from the "tee" on top of the intake straight (bypassing the steel hose) to the vacum modulator... and took the truck for a test run..... That sucker shifted 110% better than when I first bought the truck over a year ago for $500.... thanks to everyone who helped!!!
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1979 Chevy LWB 350ci / 700R4 Edelbrock under the hood F O R S A L E OR T R A D E
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