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#1 |
Registered User
Join Date: Jan 2014
Location: Tulsa, OK
Posts: 360
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Considering an OD tranny
Can someone explain the how/why regarding the lock up on an OD transmission? Wanting to get away from the TH350 for lower revs on the open road.
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-Jason USN Retired |
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#2 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Considering an OD tranny
The torque converter locks in 3rd and 4th (maybe other gears also) under light-no load and slips like a normal torque converter the rest of the time and when you apply the brakes. It almost feels like you are shifting into another gear when the converter locks.
Not slipping = better mpg.
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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#3 |
Registered User
Join Date: Jan 2014
Location: Tulsa, OK
Posts: 360
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Re: Considering an OD tranny
Thanks. Is this a hard thing to setup if I were install an OD transmission? I have seen the lock up kits.
__________________
-Jason USN Retired |
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#4 |
Registered User
![]() Join Date: Oct 2013
Location: Stockton, CA
Posts: 475
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Re: Considering an OD tranny
search for one that does the work automatically and not have to touch brake or hit a switch. lots of info here and online.
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#5 |
Registered User
Join Date: Oct 2008
Location: Marianna Arkansas
Posts: 7,270
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Re: Considering an OD tranny
Hugh, It is a real simple deal the General used a deal on the S-10's in the real early 80's that was a little [I mean small] vac switch that turned it on[locked up], was mounted on the left fender that and a brake lamp switch type thing to turn it off when you tapped the brake so it worked seamlessly like you never knew it was there. That is about how the aftermarket kits are set up, don't settle for a toggle flip switch. Jim
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