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Post by Tortured Soul on Sept 24, 2005 12:47:10 GMT -6
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Post by stevensolds on Sept 24, 2005 13:02:34 GMT -6
That was on Domestic Performance as well, people that are not good business and should be sued. Anyway, if you want your trans to last, increased line pressure is going to kill it faster.
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Post by Marc on Sept 24, 2005 13:09:25 GMT -6
Whenever I see something like this, I always wish that
I had a beater to use as a guinea pig.
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Post by SupaStealth on Sept 24, 2005 13:47:55 GMT -6
Anyway, if you want your trans to last, increased line pressure is going to kill it faster. actually that's not true, slipping kills your tranny, firm shifts makes less slipping and less wear, a good friend of mine went to UTI, an automotive tech school and told me this. |
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Post by Aurora40 on Sept 24, 2005 14:19:02 GMT -6
Anyway, if you want your trans to last, increased line pressure is going to kill it faster. What?? Where'd you hear that? |
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Post by stevensolds on Sept 24, 2005 15:37:26 GMT -6
Well, teh guy at Cottman Transmission told me that, lol. Guess i will have to think twice about going there when the time comes, hehe.
Bob, when you put the selector into manual 2nd, doesnt that bump up the line pressure a bit? It snaps the shifts really hard if you floor it in 2nd. Thats what im going to do when i go to the track tomorrow night. Its not a agood sound though...
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Post by kobalt on Sept 24, 2005 15:39:28 GMT -6
Increasing line pressure within reason not only increases performance but can be beneficial to transmission longevity as well. Faster, firmer shifts allow for less clutch pack slippage which in turn results in less wear and heat.
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Post by Tortured Soul on Sept 24, 2005 15:51:45 GMT -6
So far it sounds like I will be getting one of these...
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Post by Aurora40 on Sept 24, 2005 15:53:26 GMT -6
Bob, when you put the selector into manual 2nd, doesnt that bump up the line pressure a bit? It snaps the shifts really hard if you floor it in 2nd. Thats what im going to do when i go to the track tomorrow night. Its not a agood sound though... Yeah, that's what I do. It seems to run a bit closer to the redline and shift a bit faster/harder that way. It shouldn't really sound any different, just shift a bit harder. |
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Post by SupaStealth on Sept 24, 2005 17:53:40 GMT -6
yup, tomorrow afternoon i'm goin' to the track, it will be 2nd gear, performance shift, and traction off for me  i only get one run, so i better beat my 15.7 time i had last year. i don't remember if i had the misfire this time last year though, but i guess we'll see. |
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scottydl
Super Moderator 
There's nothin' like an American V-8...
Posts: 7,373
Staff Member
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Post by scottydl on Sept 24, 2005 20:48:24 GMT -6
So far it sounds like I will be getting one of these... Just out of curiousity, why are you so determined to do a jet chip mod? It seems like a pretty high price for a couple hp, especially when you don't *really* know what effects it may have on your Aurora's electrical/mechanical systems....  |
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Post by Aurora40 on Sept 25, 2005 7:05:54 GMT -6
So far it sounds like I will be getting one of these... Have you done anything else to the car? For $135, you could be on the way to getting your exhaust system changed. Or you could have a K&N, an airbox mod, and a lot of spare change. You can stick the shifter in 2nd gear for free...  Seriously? What a weird track. What's up with that? |
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Post by SupaStealth on Sept 25, 2005 7:26:39 GMT -6
it's an audio competition, they're sharing the track with Hot import nights today, but our main deal is doin spl levels, although, i might run with hot import nights instead so i can get a few runs in, it's 45 bucks though, for 15.0+ any other day it's 25 for all day.
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Post by Letitroll98 on Sept 25, 2005 7:32:30 GMT -6
I haven't used one and don't know anything about this particular company, but these products have been used for some time now. I've never heard of anybody complaining. If adjusted properly it should give a slightly firmer shift, cutting off a few hundredths on your 1/4 time. Our cars are luxury models and as such are tuned for invisible shift points in normal driving, one of the things I love about Auroras, something I personally wouldn't adjust, but it's your car. As for Steven's Cotman guy's comment (did you make that up?), it is theoretically possible on some trannies to over boost the adjustments and cause damage (blow out the seals), but again, I don't know if this unit would be capable of boosting pressures high enough on 4T80E's to do so, but the installation guide warns against it. kobalt is quite right that generally increased line pressure would be beneficial to an automatic tranny's service life. I don't know about lengthening the torque converter lockup delay though (an option with this unit), keeping the TC slipping longer in overdrive doesn't sound prudent to me. |
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Post by kobalt on Sept 25, 2005 12:56:03 GMT -6
... I don't know about lengthening the torque converter lockup delay though (an option with this unit), keeping the TC slipping longer in overdrive doesn't sound prudent to me. Im not famillair with this feature but I can't quite figure out what benefits it would serve in terms of performance. TCC lockup plays a crucial part in highway gas consumption. |
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Post by Aurora40 on Sept 25, 2005 17:07:44 GMT -6
Yeah, that seems odd. If you are flooring the gas, the torque convertor is not going to lock up... Even while cruising it unlocks pretty easily.
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Post by Letitroll98 on Sept 26, 2005 21:20:38 GMT -6
... I don't know about lengthening the torque converter lockup delay though (an option with this unit), keeping the TC slipping longer in overdrive doesn't sound prudent to me. Im not famillair with this feature but I can't quite figure out what benefits it would serve in terms of performance. TCC lockup plays a crucial part in highway gas consumption. I didn't completely understand it either, but it's in the installation guide for the product. It's a performance application, so I can only assume it's for keeping the rev's up a bit longer? |
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i only get one run, so i better beat my 15.7 time i had last year. i don't remember if i had the misfire this time last year though, but i guess we'll see.
