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04-18-2008, 11:01 PM
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#1 |
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Registered User
 
Join Date: Jan 2005
Location: Illinois
Posts: 1,006
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350 tranny with overdrive
I found a 350 tranny with overdrive. How will this compare to the 700r4 tranny?
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04-18-2008, 11:12 PM
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#2 |
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Registered User
Join Date: Nov 2007
Location: Rives, TN
Posts: 362
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Re: 350 tranny with overdrive
You mean a 4L60?
__________________
'11 Z71 '88 V-30 Crew Cab '87 V-10 '69 Camaro SS '52 M38 '46 Rat Rod Word of the wise should be sufficient! |
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04-18-2008, 11:15 PM
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#3 |
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Registered User
Join Date: Sep 2007
Location: Blanchard oklahoma
Posts: 95
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Re: 350 tranny with overdrive
didn't know that they ever came with overdrive? when did they make em and how many?
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04-19-2008, 12:04 AM
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#4 |
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Registered User
Join Date: Dec 1999
Location: Old Mission, MI, USA
Posts: 2,507
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Re: 350 tranny with overdrive
Maybe you are thinking of a 350 with a lockup converter. They did make those for a couple of years.
__________________
Tim |
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04-19-2008, 01:30 AM
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#5 |
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Registered User
Join Date: Jan 2005
Location: Illinois
Posts: 1,006
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Re: 350 tranny with overdrive
Yeah its a 350 with a lock up converter which kinda acts like an overdrive from what I'm being told...Heck I know nothing about it...I was hoping the tranny wizzards on here would know something....
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04-19-2008, 02:15 AM
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#6 |
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Registered User
Join Date: Mar 2002
Location: Forney TX
Posts: 4,512
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Re: 350 tranny with overdrive
The lockup will make very little difference from what I've been told so I bought a 700
__________________
Troy 1965 Chevy Bagged,361 sbc,voodoo cam,1.5 full roller rockers,patriot 185cc vortec heads 2.02-1.60,vortec weiand polished intake,demon carb my truckhttp://67-72chevytrucks.com/vboard/s...d.php?t=332884 Big Red Dog build http://67-72chevytrucks.com/vboard/s...d.php?t=572274 |
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04-19-2008, 03:32 AM
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#7 |
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Registered User
Join Date: Jan 2005
Location: Illinois
Posts: 1,006
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Re: 350 tranny with overdrive
I can not find a 700r4 with a mechanical speedometer anywhere....
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04-19-2008, 03:51 AM
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#8 | |
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Weekend Warrior
Join Date: Oct 2004
Location: CT
Posts: 1,787
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Re: 350 tranny with overdrive
Quote:
Make sure that set up the TV cable on the 700r correctly and buy a lockup kit for it or you'll burn the tranny up in a hurry. A TH350C which you were refering to makes no differance really. Your better off continuing to search for a 700R4
__________________
-'07 GMC Sierra K2500HD -'66 C10 Suburban -'68/'71 K20 Service Bed Project -'69 Chevy C30 Mason Dump -'33Ford P/U 396ChevyPowered   
Last edited by arkracing; 04-19-2008 at 03:52 AM. |
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04-19-2008, 04:42 AM
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#9 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: 350 tranny with overdrive
take a look at a 200-4R. it's a easier swap from a turbo350 then to a 700R4 is.
__________________
Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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04-19-2008, 06:11 AM
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#10 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 350 tranny with overdrive
the TH350C is still a one to one final drive ratio. A non lockup verion is one to one, with about 200 RPM slippage. The lock up gets rid of that. You'll see little MPG chainge, if you see any at all.
I'd bet my next 3 paychecks that you wouldn't see any MPG improvements at all. |
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04-19-2008, 06:17 AM
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#11 | |
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Trucks N Tranzams
Join Date: Dec 2002
Location: North Las Vegas, Nevada
Posts: 816
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Re: 350 tranny with overdrive
Quote:
__________________
 Don'68 Chevy LB 383 TH400/GV/373 posi '56 Chevy 4WD SWB '64 Chevy short stepside '79 Trans Am 455/TH2004R/12blt/4whldisc 95 Kia (Wifes car) 2002 S-10 extended cab pickup "God punishes small sins immediately" |
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04-19-2008, 06:30 AM
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#12 |
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Registered User
Join Date: Aug 2007
Location: Bakersfield, Ca
Posts: 538
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Re: 350 tranny with overdrive
I just put in a 200R with lock up and it works great.... maybe too great.
I'm thinking of having a toggle switch to shut off the lock up as it lugs the motor when going 35-45 (won't down shift unless I really put my foot in it or tap the break). I drove the first few days without the lockup hooked up and it drove around town better (downshifting with less throttle). It's cheaper than the 700r as it has the same gear ratio as a 350T except for the OT (the 700r has a lower first gear). I don't have a big HP motor so I'm not worried. Though it was built by a shop that builds them up for Buick Grand Nationals to do the quarter mile. |
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04-19-2008, 07:31 AM
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#13 |
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Registered User
 
Join Date: Dec 2007
Location: Sioux Falls, SD
Posts: 365
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Re: 350 tranny with overdrive
i had a 2004r in my '85 s-10 blazer with a V8 swap. don't know the miles but i put that thing through hell. i'd manually shift it at the track and never before 5k, as far as i know it's still driving around just fine.
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