C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Question for owners with automatics

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Old Feb 19, 2004 | 10:31 PM
  #21  
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Default Re: Question for owners with automatics (SunCr)

Yep it sure was and I was surprised too, I expected well not sure what I expected but was definitely surprised with what I saw. I wished now I had remembered to have the digital cam in the car I could have snapped several pictures. There was a hint of a film in the bottom of the pan that when he wiped it with his finger you could barely tell it was a little dirty. The fluid flush was neat to watch, you can see when the old darker fluid change over to the new bright color fluid. I think it was like $120. for the flush and filter. And no extra charge for getting to watch and ask questions.

:chevy :party:
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Old Feb 19, 2004 | 11:46 PM
  #22  
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Default Re: Question for owners with automatics (87vette)

I installed a trans-go shift kit in my 86.I shift mine because of the constant shifting it does on it's own really annoys me.Plus it is so much more responsive and sounds better when I shift.
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Old Feb 20, 2004 | 09:33 AM
  #23  
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Default Re: Question for owners with automatics (jlsru75)

I also leave it in "3" which is actually "drive" below ~43 mph.
The constant shift/downshift is unnecessary and as stated several times responsiveness and engine braking are enhanced at these slower speeds. RPM's do not change much because with my loose convertor, slippage is greater in OD below 43-45 mph.
Plus mashing the gas at these speeds only requires one gear change to second, unless I'm only going about 30 which results in a whiplash like shift into first. :D
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Old Feb 20, 2004 | 08:02 PM
  #24  
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Default Re: Question for owners with automatics (HeeHaw89)

Someone asked about manually shifting. If there any performance gaines manually shifting? It seems like if your trans was set right it will shift at the right time the only thing you would get out of manually shifting would be to shift early or late.

Just curious. I have been known to manually shift it myself but I usually put it in second because that is all the gear I need to get from the drive way at work to my first turn around. ( Michigan turn arounds gotta love them.)
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Old Feb 20, 2004 | 08:26 PM
  #25  
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Default Re: Question for owners with automatics (BookSmart)

I'm not sure that there is much of a "performace gain" from shifting it manually. I have an L98 and the powerband really starts to tail off as the rpms climb past 4,500. If I let the transmission shift "automatically" from 1-2 I believe the no real gain is derived from shifting 1-2. However, I like to hold onto second gear a little longer than the "auto" 2-3 shift will allow. I'm not sure of the reduction in ET from running a bit deeper in 2nd, but it feels a little quicker (or maybe it's just the Borla Stingers screaming at 4,900 that makes it "seem" faster).

Has anyone with an automatic noticed a difference in ET/mph when shifting manually as opposed to leaving the car to shift automatically?
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Old Feb 20, 2004 | 11:11 PM
  #26  
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Default Re: Question for owners with automatics (vader86)

leave it in D until getting over 45mph and staying there

town driving would force it to shift more 3-4, and those are the first to go when the tranny dies
So you are saying that I've been pretty much been doing it the right way?
Also I've yet to bring my car to the shop to inspect my tranny due to shifting problems especially getting into 3rd gear. I changed the fluid twice in the 4 years I've owned the car. It was dark brown when I bought it and when I changed it .. it pretty much stayed red. Although I don't drive the Vette much. until recently I've been having tranny problems. I read that changing the tranny fluid on a car that hasn't been serviced like it should would be a bad thing. Something about the fluid acting as a detergent?
Although I did adjust the Tv cable and it shifts better but irregular. I guess I won't really know the whole answer until I get it inspected.
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Old Feb 20, 2004 | 11:19 PM
  #27  
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Default Re: Question for owners with automatics (87vette)

After I got my transmission done, the tranny guy told me that I should drive in OD. Ive had a couple of other experts on transmission tell me that as well. So, thats what I do most of the time right now. Its hard to break old habbits and I do like driving at higher rpms. (You probably wont wanna buy my car if it goes up for sale.) :crazy:
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Old Feb 21, 2004 | 02:29 AM
  #28  
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Default Re: Question for owners with automatics (McShagger)

:iagree:
When I got my stage 2 BowTie tranny rebuild, I asked the same qustion. The answer was leave it in OD for normal driving.
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Old Feb 21, 2004 | 02:42 AM
  #29  
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Default Re: Question for owners with automatics (87vette)

My tranny builder told me that it doesn't matter how I abuse my trans...

A broken tranny means a free rebuild (where I shop).. so I imagine that a well built auto tranny can take the "daily abuse" of "whatever" you'd like to do to it.

I'm sure he said this knowing that it'll be 10 years before I could kill my tranny with "granny" driving. Maybe 2 years with hard driving and nitrous.

You must TRY to ruin your transmission. Just make sure you've got $1K in the bank to back up your fun. I'll bet it takes much longer than you think with stock power.

Don't be a kitty when driving your car. It was meant to be driven at more than 12% throttle.
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Old Feb 21, 2004 | 10:21 AM
  #30  
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Default Re: Question for owners with automatics (87vette)

I read that changing the tranny fluid on a car that hasn't been serviced like it should would be a bad thing. Something about the fluid acting as a detergent?
Service for normal driving conditions calls for its first service at 100,000 miles, and to change fluid and filter. I did mine at 98,000 figured that was close enough. It says if you drive and have one or more conditions like: heavy city traffic with temps above 90F, mountainous terrain, or taxi or police car service then it gets new fluid and filter every 15,000 miles. Of course with the standard mileage useage where average cars do say 12,000 a year and you are in the latter category, that means you'd be doing this service nearly every year.

If I'm granny driving, I pretty much just leave it in OD. Otherwise its easier to hold say 30mph in D then it is in OD. I had a sheriff following me one afternoon coming into the subdivision and in OD it was tough to hold 30 on the nose. I just dropped it back to D and said to myself go bother someone else. :)
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Old Feb 21, 2004 | 11:18 AM
  #31  
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Default Re: Question for owners with automatics (93JetJocky)

I was married once. :jester For about 25 yrs. Anything my blushing brides father said...I did the opposite. :steering: :lolg: :lolg: :lolg:
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