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#21
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The controller ignores the upshift command while in the box. This prevents a shift while doing a burnout. |
#22
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I do mine in 3rd anyway so I don't really see a need for that feature. I may do the transbrake that is offered though since I have a 2 step.
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#23
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Yes, I would choose the TCI unit again. The main issue I ran into is that it initially would not shift gears when I did a full throttle blast (scary). Normal driving it shifted fine. In speaking with TCI they said that when you hit full throttle the controller uses the RPM to determine the shift points, which you program in the controller. For some reason the controller wasn't getting the signal from the distributor as to what the RPM was. It would only loose the signal at high RPM. The solution was to bypass the TCI tach filter and it worked perfectly after that.
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62' Lemans, Nostalgia Super Stock, 541 CI, IA2 block, billet 4.5" crank, Ross, Wide port Edelbrocks, Gustram intake, 2 4150 style BLP carbs, 2.10 Turbo 400, 9" w/4:30 gears, 8.76 @153, 3100lbs |
#24
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Hmm You'd think it would use the speed sensor, and a combination of gear and tire height. That's how HPtuner worked for the transmission controls on the OEM stuff.
I'd honestly rather not use the tach signal for a trans controller. But if that's the way they all are I guess you're stuck with it. |
#25
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#26
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Yes that's how Hughes explained it to me. So you actually have full manual control with the shifter if you wish, or you can leave it in overdrive and let the computer take over.
So I can be in the burnout box, start in 1st, manually shift to 3rd and finish the burnout. Then click in overdrive for the pass and let the computer take over the shift points. Which makes for a really nice setup. Plus their transbrake also still allows full computer control and no reverse pattern necessary. It's a pretty slick deal all around. |
#27
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Baumann electronics. I believe I have an earlier US shift called an Optishift. I bought the whole set up a few years ago from Jake as well. Happy camper so far. One thing I haven't seen mentioned or perhaps I missed, is that you can toggle between two shift calibrations. So I have one set up with slightly higher shift points than the other.
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68 Firebird, trying a q-jet now. 434/10.5:1/997's/240-242 HFT/4L80E/2800 Yank/3.42's/ Vintage Air/ 13.0 @105 mph 70 Lemans, 350/350, A/C, mostly stock 14 Ram CC, 5.7 Hemi, 8-speed, 3.92 lsd 97 Trans Am, HPP Aug 2012 http://www.highperformancepontiac.co...tiac_trans_am/ ***Sold*** |
#28
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Interesting. Have you compared a fully automatic pass vs. manually shifted? |
#29
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I'm sure the 4L80E wouldn't be any different and that's one of the big attractions of it for me. Honestly though, once you have the parameters you want programmed, and have the trans shifting exactly the way you want, with both upshifts and downshifts occurring where you want them when you whack the throttle, I rarely find the need to ever move the shifter out of OD. While all that can also be done with a TH400 governor, that process is extremely time consuming, messy, and I usually go through a couple gallons of trans fluid and a few days of my time before I eventually get the trans doing what I want for a particular engine. With an "E" trans you just push a few buttons, and it can be done on the fly as well. Last edited by Formulajones; 09-15-2020 at 09:55 PM. |
#30
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And remember, you can always still shift with the selector and control your shift points. .
__________________
. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#31
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Correction: US Shift Quick 6 is not designed to work with the 4 speed autos, so therefore no electronic T-Brake available.
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#32
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Decided to go with the Compushift- We'll see how it goes! Thanks for all the input.
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The Following User Says Thank You to DarcyL For This Useful Post: | ||
#33
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That's what I'm going to use on the 4L80E. Let us all know how you like it.
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#34
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Will do- I'm just finishing some house reno's before the snow comes, then I'll assemble the trans and get it in the car- probably won't have any news till spring-
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