What's your 4R70W's 3-4 Shift (Into Overdrive) Like? - TCCoA Forums
View Poll Results: What's your 4R70W's 3-4 Shift (Into Overdrive) Like?
Quick, Firm, Perfect while shifting into OD 15 42.86%
Kinda Mushy, Slight Lag while shifting into OD 15 42.86%
Dreadfully Slow, Engine RPM's rise while shifting into OD 4 11.43%
Other, Please Describe 1 2.86%
Voters: 35. You may not vote on this poll

 
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post #1 of 12 (permalink) Old 04-29-2004, 10:16 PM Thread Starter
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What's your 4R70W's 3-4 Shift (Into Overdrive) Like?

How does your 4R70W car accomplish the 3-4 shift at light-medium throttle? My car has an awfully slow 3-4 shift, and it jumps ~500rpm's during this shift. The 1-2 & 2-3 shifts are very quick and nice otherwise.

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1994 XR7 - Intake Tube, LMAF, March Underdrive Pulleys, J-Modded '00 Mustang Trans, Marauder T/C,
TruBendz 2.5" SS True Duals, Apten Flip Chip, FRPP 4.10s & Trac Lock, etc.

[email protected] with 3.27 gears
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post #2 of 12 (permalink) Old 04-30-2004, 01:37 AM
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It's a little bit mushy, but not unusually. I think my 2-3 would have to be the softest shift. I refuse to vote though until I get my manual valve body installed though.

1994 Thunderbird LX 232
Discarded air silencer. Gutted cats. [email protected] mph at this point. 8.8" Trackloc differential with polyurethane bushings. PA manual valvebody. Sport springs.

1989 Thunderbird SC 5-speed
ESM ported supercharger. Performance exhaust.

2005 Yamaha YZF600R
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post #3 of 12 (permalink) Old 04-30-2004, 07:37 AM
 
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It was pretty slow, then when I got my tranny fluid flushed.. Man that got fixed real quick.

It's kind of mushy / mediocre right now, I'm sure with the proper mods that can be fixed.
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post #4 of 12 (permalink) Old 04-30-2004, 11:19 PM
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Mine shifts perfect, but then again I dont have a stock transmission....

Or stock computer programming....

-Andrey

96 LX 4.6L
13.215 @ 103.09
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post #5 of 12 (permalink) Old 04-30-2004, 11:43 PM Thread Starter
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Quote:
but then again I dont have a stock transmission.... Or stock computer programming....
Oh, like I do?



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BlackCat94 - The Revolution.
1994 XR7 - Intake Tube, LMAF, March Underdrive Pulleys, J-Modded '00 Mustang Trans, Marauder T/C,
TruBendz 2.5" SS True Duals, Apten Flip Chip, FRPP 4.10s & Trac Lock, etc.

[email protected] with 3.27 gears
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post #6 of 12 (permalink) Old 05-01-2004, 09:31 AM
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you really should not be ever shifting at wide open throttle into overdrive.

Just click overdrive on when you are ready to cruise on the highway, and don't beat up your OD band.

JH
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post #7 of 12 (permalink) Old 05-02-2004, 05:06 PM
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Well I have the J-Mod and a manual lockup switch to force the torque converter clutch to lock and stay locked. If I leave the switch in the unlocked position so the converter won't lock, then you can barely feel OD engage. In Auto position you can feel it pretty good, it's soft unless you modulate the throttle just right. If I have the converter clutch manually locked then it'll hit pretty good, feels like the 2-3 shift does at light throttle.
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post #8 of 12 (permalink) Old 05-03-2004, 08:37 PM
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Does a chip make it lock up for the 3-4 shift.

1997 Ford Thunderbird, Built NA 2V/ T-45
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2003 Lincoln LS V8 Bolt Ons
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post #9 of 12 (permalink) Old 05-05-2004, 01:48 PM
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A chip can do anything you want it to do. Most of the time, when shifting the converter should be unlocked. stock programming will keep it unlocked in first and second, then slip the clutch in third, and fully lock it in forth. It unlocks between gears. I don't like the slipping, or unlocking when the throttle is returned to idle, so I put a switch in to force it to do what I want. When I can afford a chip I'll just have it lock only in forth, and keep my manual override in case I want to lock it in any other gear.
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post #10 of 12 (permalink) Old 05-05-2004, 05:56 PM
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I ordered my Apten Chip 11 days ago. I live in MT, has anyone else had it take this long?

1997 Ford Thunderbird, Built NA 2V/ T-45
1997 Ford Explorer AWD 5.0L
2003 Lincoln LS V8 Bolt Ons
2009 Yamaha VMax
2011 F-150 Lariat Limited 6.2L 4WD
2015 Ford Mustang GT Premium, Performance Pack, Recaros
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post #11 of 12 (permalink) Old 05-07-2004, 06:20 AM
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I can now say that my 3-4 shift, along with the rest of them, is quite firm. I have now voted.

1994 Thunderbird LX 232
Discarded air silencer. Gutted cats. [email protected] mph at this point. 8.8" Trackloc differential with polyurethane bushings. PA manual valvebody. Sport springs.

1989 Thunderbird SC 5-speed
ESM ported supercharger. Performance exhaust.

2005 Yamaha YZF600R
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post #12 of 12 (permalink) Old 05-12-2004, 09:41 AM
 
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Mines quick and somewhat firm, similar to the 2-3 shift. '97 Mark VIII (91k), 300+ Jmod, no lower springs, upgraded 1-2 upper, Mercon V, B&M 28000 gvw cooler, SCT standard PCM reflash.

It was good before JW's tune, but drivability went way up after the tune...holds the gears and controls the TC lock/unlock functions a lot better.
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