Transmissions and Drivetrain Need help with your trans? Problems with your axle?

i just got a quote for a tranny rebuild...need tips

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Old Jul 5, 2006 | 02:01 PM
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valve body/shift kit options

i really want to have control of my shifting with the automatic. what is the thing that will allow me to do this? is it simply the shifter or is the actual shifting body on the tranny? i understand that b&m megashifters will allow me to bump up the gear when i want to, or is the hurst dual gate the thing i want? will the dual gate simply let me keep it in the gear i want it to be in, or does it allow me to change the gears in that other gate to whatever one i want? any help would be greatly appreciated

Last edited by seymourless; Jul 8, 2006 at 11:20 PM. Reason: i need answers lol
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Old Jul 7, 2006 | 12:02 AM
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plz if u help me out with my confusion i will be ure best friend lol
i really need to know what to ask for so i dont sound like a loser to the mechanic guy
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Old Jul 7, 2006 | 12:48 AM
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
you want a full trans-go shift kit, boost valve, and vette servo installed. get a 98 S10 converter for a 4.3L engine and it'll stall 2200 behind your motor. As for a shifter, I have the megashifter and it's alright, but i'd rather have something better if it was available, which there isn't
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Old Jul 7, 2006 | 01:17 PM
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...sounds to me like you're asking about a manual valve body, meaning full-on manual only gear changes, no auto up/downshift. - If this is what you want, and this isn't a race-only car, then don't.
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Old Jul 8, 2006 | 12:30 AM
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na not full time manual.....does the hurst dual gate let u change gears without a new valve body? does that dual gate with the 1-4 gears keep it in that gear like the 1 and 2 on a standard shifter, just it doesnt have a button u have to push down? if you dont have to change the valve body, will a shift kit like that eventually ruin my transmission?

thanks for all ure help!
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Old Jul 9, 2006 | 11:03 PM
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bump yo
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Old Jul 10, 2006 | 12:06 PM
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From: Indiana
Car: 87 trans am
Engine: 350 TPI bored .040 over
Transmission: modified 700r4
Axle/Gears: stock spline, 3.73 Eaton posi
no, the life of the tranny should live longer if you have a shift kit, less slippage
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Old Jul 10, 2006 | 12:47 PM
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does that dual gate with the 1-4 gears keep it in that gear like the 1 and 2 on a standard shifter
Think about it..... how's it going to do THAT? All it is, is a handle that moves the cable. All a shifter can do, is to put the trans in P, R, N, OD, D, 2, or 1. That's IT. Now it might have various snazzy features for controlling exactly HOW you move it from one of those selections to another; but it doesn't re-design the innards of the transmission and make it behave differently somehow.

The dual-gate is terrible. It's a "look cute" part, not a "go fast" one. Back when GM was buying those from Hurst and putting them in their cars (GTOs, 442s, etc.), in the late 60s and early 70s, we called them "his & hers" shifters; because on the one side (the "hers" side) it was just a regular shifter, but on the "his" side, it had the little steps so it was supposedly less likely to miss a gear or shift into neutral or something stupid like that. Or that was the idea anyway. They sucked. It didn't work very well.

The Megashifter is what everybody says is the best auto shifter on the market. I wouldn't know, because I don't drive an auto. But FWIW, that's just what "they" say.

If you want a full manual transmission, you have to change the valve body. No way around it. A shift kit won't do that. It can do things like allow you to hold it in a gear for as long as you want (basically, just defeat auto upshift), but it's still going to shift if you put it in drive.
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Old Jul 10, 2006 | 01:20 PM
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thats what im lookin for....i would like to be able to keep it in the gear, but also use it for regular driving when in D. would this be a fully manual valvebody or just an upgraded one?
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Old Jul 11, 2006 | 04:53 PM
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From: Indiana
Car: 87 trans am
Engine: 350 TPI bored .040 over
Transmission: modified 700r4
Axle/Gears: stock spline, 3.73 Eaton posi
to keep it in a certain gear longer is just an upgrade, dont need a manual valve body
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Old Jul 12, 2006 | 02:06 PM
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to not allow up shift without up-shifting the shifter can be done simply by modification, but to enable you to "manual" select a gear requires a manual vb.
- basically you can mod the vb/shift programming to allow you to hold it in lower gears, but if you're doing 5mph and you're shifter is in 3rd/OD, it's still gonna be in a lower gear.
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Old Jul 12, 2006 | 02:07 PM
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an upgrade of the shifter??? i just want a tranny that shiofts normally b/c for the time ive had my camaro it has had a bad tranny...it seems to me that it shifts into the lowest gear whenever possible to save on gas or whatever...will it still do this with a new rebulit one or does a new valve body or shifter correct this?
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