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Adjusting 700R4 TV cable to taste...

 
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Externet
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Joined: 22 Feb 2003
Posts: 7

300.48 points



PostPosted: Mon Jan 01, 2007 9:50 pm    Post subject: Adjusting 700R4 TV cable to taste... Reply with quote

Hi.
There is strict instructions on how to set the TV cable to click-lock it at full throttle; it is stated that not doing it this way may damage the transmission;
How much truth is in it Question

I find that having it a little tighter, my heavy car runs better, delaying the shifts about 10mph to the speed I want them to happen.
What are the real chances of damaging the transmission?

Miguel
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af2
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Joined: 01 Sep 2003
Posts: 5564
Location: grassvalley, ca
71399.52 points


1933 Willys Coupe

PostPosted: Mon Jan 01, 2007 10:21 pm    Post subject: Reply with quote

All you have is a trans that shifts sooner or later.

Full throttle: adjust TV to it! If you want to change RPM you have to get into the governor!!!!!
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10sec.et
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Joined: 29 Mar 2006
Posts: 3483
Location: Houston,Texas
347028.52 points


1969 Oldsmobile Cutlass

PostPosted: Mon Jan 01, 2007 11:17 pm    Post subject: Reply with quote

af2 wrote:
All you have is a trans that shifts sooner or later.

Full throttle: adjust TV to it! If you want to change RPM you have to get into the governor!!!!!


exactly!!! if its YOUR vehicle then set it where youre happy. there IS an overly complicated adjustment procedure but the only time i had to go to great lengths to adjust one was when i was doing some type of conversion. if that trans is correct for the vehicle then it should be fairly simple.

_________________
af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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clay
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Joined: 24 Nov 2002
Posts: 3209
Location: South Carolina
318129.23 points


1972 Chevrolet Nova

PostPosted: Tue Jan 02, 2007 5:31 am    Post subject: Reply with quote

The TV cable simply controls line pressure of the transmission in relation to engine load or power output like a vacuum modulator used to. It changes shift point by changing the relationship of line pressure to govornor speed. The only thing that will cause damage is if you set up the relationship so that at a certain power level there isn't enough line pressure to provide enough clamping force on the clutch packs and they slip and burn up. I set mine like af2 said, W.O.T. and maximum TV - but really if you don't get carried away and only went a click or two either way, I don't see that as a problem on a stockish vehicle. Clay
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Externet
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Joined: 22 Feb 2003
Posts: 7

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PostPosted: Tue Jan 02, 2007 11:11 am    Post subject: Reply with quote

Thanks, guys.
I do drive like an old fart, so I will be confident in the TV cable set my way will give no trouble. Smile
Miguel
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