Technical Tips > Transmissions - Differentials

Manula to Auto questions

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demonx:

--- Quote from: gtc link=topic=7828.msg1045937853#msg1045937853 ---
--- Quote from: demonx link=topic=7828.msg1045937852#msg1045937852 ---I was talking to a guy at work about this tonight and he suggested I dog box the Muncie and install a verticle gate. I may have to research what is involved in this and how practicle/streetable/durable it is and compare it to the auto option.
--- End quote ---


What's your objective?

Don't like clutches?
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It's been about 15 years since I had a manual - I've become lazy!

So yes. However since I bought my HQ ute which has a powerglide with a manual shift kit, I've become a fan of the setup. I'd just like more gears on the vette for long trips etc.

mick:
Get a Keisler 5 speed, dont get a Auto(IMO).


http://keislerauto.com/

A guy thats coming to a car show i host has put one in his vette, Ill let you know if he is happy with it.

87Z51:

--- Quote from: Scott link=topic=7828.msg1045937848#msg1045937848 ---
Will requiring re-wiring so that the car won't start whilst in gear.  I have bypassed this going from auto to manual, but I'm not sure how it works going the other way.
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Stock and aftermarket shifters have provision for the neutral start switch

--- Quote from: Scott link=topic=7828.msg1045937848#msg1045937848 --- T700's have a lock-up torque converter which can be tricky to incorporate, depending on who you ask.
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As simple as having a manual switch to operate the lockup or installing a different switch in trans so it locks up automatically whenever in 4th gear (O/d )


--- Quote from: Scott link=topic=7828.msg1045937848#msg1045937848 --- I can't remember exactly, but if you don't do it right top gear will burn out or break.
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Pre '88 T700's (27 spline input shafts ) only have full flow to the trans cooler when convertor locked.
Running these without lockup can lead to trans overheating.
On later models; running without lockup is no different than running a TH400 where you have a certain % slippage with a non locking convertor

87Z51:

--- Quote from: demonx link=topic=7828.msg1045937854#msg1045937854 --- I'd just like more gears on the vette for long trips etc.
--- End quote ---

T700 Pros
Low 1st gear
T700 with 3.08 rear gives equiv of TH400 w/3.73's  (23% more torque )
With 3.5 rear equiv to TH400 w/ 4.11's

With 3.08 rear ,T700 .70 4th (O/d ) gives equiv of TH400 with 2.16 rear; great for cruising economy
Best of both worlds

Cons.
T700 is p#iss weak in stock form. May break if you look at it
Can be built but will cost.
I have had one behind my 410RWHP 383 for 4 years but it cost me $3500 plus core back then

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