One thing you have to remember about shift kits, the ones that produce neck snapping, tire screeching shifts are not shifting hard. They are in overlap and have the car in 2 gears at once for a second.
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| Tearing into a 904, need advice !! https://slantsix.org/forum/viewtopic.php?t=32029 |
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| Author: | Volare4life [ Wed Nov 05, 2008 4:13 am ] |
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I always was intrested in putting in a manual VB, but after owning a '91 240SX 5spd, which was an absolute blast to drive !!!, I got annoyed with the constant stop and go traffic, and constant shifting !!! Besides I was reading that TF's shift harder in auto-mode than when they are in manual-mode, true ? yea I will defenitly scan them and post'em up once I get them. I like trans star very knowledgable, especially on TF Lol !! -Mike |
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| Author: | Shaker223 [ Wed Nov 05, 2008 4:16 am ] |
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Quote: Quote: would you even want a full manual valve body on the street?
I have one in my Cuda, but it is not a daily driver. A manual VB in a daily driver, can get tiring in a hurry. |
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| Author: | Charrlie_S [ Wed Nov 05, 2008 5:11 am ] |
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Quote: Quote: Quote: would you even want a full manual valve body on the street?
I have one in my Cuda, but it is not a daily driver. A manual VB in a daily driver, can get tiring in a hurry. |
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| Author: | Volare4life [ Wed Nov 05, 2008 9:20 am ] |
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On the TF-2 it says Quote: Instant full-race shifts; Puts the driver in command.Goes back-to-low at any speed. Fixes 2-3 bindup by "putting the driver in command" does that mean it goes manual, or you can manually shift it ? the TF-3 is full manual, but how much harder does it wear and tear the tranny on the daily driver/weekend brawler ?Charrlie as long as your young at heart brother it all that count's -Mike |
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| Author: | steponmebbbboom [ Wed Nov 05, 2008 2:54 pm ] |
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just dont let anyone else drive the car, you will both be in for a nasty surprise when they accidentally downshift at highway speed. |
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| Author: | slantzilla [ Wed Nov 05, 2008 5:21 pm ] |
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One thing you have to remember about shift kits, the ones that produce neck snapping, tire screeching shifts are not shifting hard. They are in overlap and have the car in 2 gears at once for a second.
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| Author: | steponmebbbboom [ Wed Nov 05, 2008 5:51 pm ] |
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i think you might have that backwards; that is how smooth shifts are achieved, with shift overlap. |
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| Author: | dusterguy225 [ Wed Nov 05, 2008 7:58 pm ] |
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So, in other words, whats the best kit for a daily driver? |
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| Author: | wicked/six [ Wed Nov 05, 2008 10:52 pm ] |
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Quote: i think you might have that backwards; that is how smooth shifts are achieved, with shift overlap.
 No backwards about anyting he stated!!!
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| Author: | wicked/six [ Wed Nov 05, 2008 11:04 pm ] |
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To much overlap causes the tire to LOCKUP not spin which causes the noise that is mistaken for tire spin.... 
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| Author: | Volare4life [ Thu Nov 06, 2008 9:51 am ] |
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So less shift over lap= faster gear changes more shift over lap= locking the trans in 2 gears at once ?!!! How is it possible to lock the tranny in 2 gears at once ? Are the low/reverse, and 2/3 bands applied simultaniously ? should I use steel wool for scuffing the drum, or emery/sand paper ? -Mike |
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| Author: | slantzilla [ Thu Nov 06, 2008 2:23 pm ] |
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I have a Griner full manual with low band apply and trans brake in my 904. Trans was set up by Keith Long of 727specialists. Shifts are lightning quick and you will seldom ever hear a chirp from the tires. One sure fire way to check for overlap is to watch the nose of the car on the shift. If the car is dropping the nose, you've got bad overlap. |
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| Author: | Shaker223 [ Thu Nov 06, 2008 2:44 pm ] |
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Quote: So less shift over lap= faster gear changes
Shift overlap is the delay in the first gear band releasing while the 2nd gear applies. (both applied at the same time) This is why c bodies (especially Imperials have "smooth" shifts) This "smooth" shift is bad for the bands because it is actually in 2 gears at one time. Customers percieve firm/hard shifts as something being wrong with the trans when actually it is better fot it (less heat & wear). more shift over lap= locking the trans in 2 gears at once ?!!! How is it possible to lock the tranny in 2 gears at once ? Are the low/reverse, and 2/3 bands applied simultaniously ? should I use steel wool for scuffing the drum, or emery/sand paper ? -Mike Slantzilla can correct me but this is how a trans break essentially works. The trans won't let the car move until one band is released. (both are applied) You can see overlap on jack stands. Watch the tire on the 1-2 shift. My cheetah has none, the tire picks up speed when shifted into 2nd. |
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| Author: | Joshie225 [ Thu Nov 06, 2008 3:29 pm ] |
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In drive the low/reverse band is not applied. In manual low the low/reverse band is applied. Most shift overlap is on the 2-3 shift when the kickdown (second gear) band is releasing and the direct clutch is engaging. Turbo Action valve bodies and TransGo shift kits both help this greatly. There are others that make good valve bodies, but many shift kits and "shift improver" kits do not help the 2-3 overlap problem. |
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| Author: | emsvitil [ Thu Nov 06, 2008 3:36 pm ] |
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Quote: So, in other words, whats the best kit for a daily driver?
I'm in the same boat you're in (haven't done it yet).My guess is a transgo TF-1. TF-2 if you're racing. |
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