v/b and tc ??? sorry im oblivious to this stuff.....kinda new
well, im sure you know that there are extreme differences between your 5AT and a 6MT........basically, a down and dirty description:
the manual transmission has a set of gears on a selected number of shafts, usually 2, which are the main shaft and counter shaft. You control which gears are being used based on where you locate the shifter (it is alot more in depth than that, cause you have sycros, all types of bearings, idler gears, etc....but thats pretty basic).
in an automatic transmission, there is a whole new world of complicated stuff. The v/b or "valve body" is something that every automatic transmission has. Basically imagine a maze with lots and lots of little channels spread all throughout it. Well, basically, this is what your valve body is, along with alot of springs and shockingly enough VALVES!! When you are driving, your automatic transmission is doing alot of work based on what your foot is doing. for instance, if your driving and decide to give it WOT (wide open throttle), your transmission will downshift to the necessary gear, usually one gear below what you are in. Or just driving regular, your transmission bases your speed, the throttle posistion, etc...on where it needs to be to properly shift and to be in the proper gear. And for all of this to happen, you need a good valve body. Basically hydraulic or transmission fluid is routed through this maze of channels i was telling you about, and based on what you do with the gas pedal and gear shifter bases where this fluid goes and activates the proper gear. the vlave body controls how smooth your tranny shifts and everything like that.
What they mean by upgrading your v/b they mean basically getting one that is already upgraded or having yours sent in to be upgraded and sent back for you to reinstall. They will usually port the channels and install better/stiffer springs into it so it will handle more power and shift smoother with this added power. With a SC or TT setup, this is probably a pretty wise idea. It will prolly be expensive, but if you plan on spending 10k, you may be able to afford it.
A tranny cooler is important to and relatively inexpensive. It simply keeps your transmission more cool, and with added power being introduced to it, it is real important to keep it running as efficent as possible. When metal heats, it breaks easier, so keeping your transmission cool with the power that any FI will give you is pretty key.
the toque converter is what acts like an manual transmissions clutch, except it is controlled by hydraulic fluid. ive never seen anyone upgrade a torque converter, but im guessing they are just stronger.
i hope this helps
Last edited by theg35show : 05-08-2008 at 03:21 PM.
You should do a writeup on what you did to your AT to make it last for you. Two of my close friends with ATs had lots of problems, even with a Vortech, tranny cooler, and valve body.
I really havent done much to it besides the vb,tc and cooler but i have flushed the fluid every 15000 miles and i have 54,000 now.I really dont beat on the car much but do occasionaly hit the drag strip and give it some spirited runs .I think the main thing is never to really get into boost hard when you are up in the higher gears as this shocks the trans when it trys to downshift so when im about to go full boost i make sure im in the lower gears then let her rip.
__________________
Greddy twins and a whole lot more.
well, im sure you know that there are extreme differences between your 5AT and a 6MT........basically, a down and dirty description:
the manual transmission has a set of gears on a selected number of shafts, usually 2, which are the main shaft and counter shaft. You control which gears are being used based on where you locate the shifter (it is alot more in depth than that, cause you have sycros, all types of bearings, idler gears, etc....but thats pretty basic).
in an automatic transmission, there is a whole new world of complicated stuff. The v/b or "valve body" is something that every automatic transmission has. Basically imagine a maze with lots and lots of little channels spread all throughout it. Well, basically, this is what your valve body is, along with alot of springs and shockingly enough VALVES!! When you are driving, your automatic transmission is doing alot of work based on what your foot is doing. for instance, if your driving and decide to give it WOT (wide open throttle), your transmission will downshift to the necessary gear, usually one gear below what you are in. Or just driving regular, your transmission bases your speed, the throttle posistion, etc...on where it needs to be to properly shift and to be in the proper gear. And for all of this to happen, you need a good valve body. Basically hydraulic or transmission fluid is routed through this maze of channels i was telling you about, and based on what you do with the gas pedal and gear shifter bases where this fluid goes and activates the proper gear. the vlave body controls how smooth your tranny shifts and everything like that.
What they mean by upgrading your v/b they mean basically getting one that is already upgraded or having yours sent in to be upgraded and sent back for you to reinstall. They will usually port the channels and install better/stiffer springs into it so it will handle more power and shift smoother with this added power. With a SC or TT setup, this is probably a pretty wise idea. It will prolly be expensive, but if you plan on spending 10k, you may be able to afford it.
A tranny cooler is important to and relatively inexpensive. It simply keeps your transmission more cool, and with added power being introduced to it, it is real important to keep it running as efficent as possible. When metal heats, it breaks easier, so keeping your transmission cool with the power that any FI will give you is pretty key.
the toque converter is what acts like an manual transmissions clutch, except it is controlled by hydraulic fluid. ive never seen anyone upgrade a torque converter, but im guessing they are just stronger.
i hope this helps
yeah this for sure did help and i appreciate alot!!! But im not the person who said they lookin to spend 10K......as of right now i cant do much of anything, i just got the car and still paying it off. Im looking into stuff now so I now what im doing in the future and so maybe i can get started and just buy things that i will need that i can afford. And i also just want some ideas so when it comes down to the time to do it, ill know what will be better for me and what is really going on, ya know?
yeah this for sure did help and i appreciate alot!!! But im not the person who said they lookin to spend 10K......as of right now i cant do much of anything, i just got the car and still paying it off. Im looking into stuff now so I now what im doing in the future and so maybe i can get started and just buy things that i will need that i can afford. And i also just want some ideas so when it comes down to the time to do it, ill know what will be better for me and what is really going on, ya know?
oh, im sorry. i should have looked at the user name of the poster that said that......
but anyways, best of luck on whatever you decide to do. I advise you to keeping asking questions like you already are whenever you are unsure. Im new here as well, but they are very very helpful here and are always willing to help you out.
just curious how much does a valve body upgrade cost or do they make a part that fits the transmission // also when u say dont go into boost in the higher gears what gears do u avoid 4th and 5th and also when u launch do u go into manual mode and shift or let the car shift for u // sorry lot of ?s but i just got a 07 350 with auto and im want to know whats out there for it
just curious how much does a valve body upgrade cost or do they make a part that fits the transmission // also when u say dont go into boost in the higher gears what gears do u avoid 4th and 5th and also when u launch do u go into manual mode and shift or let the car shift for u // sorry lot of ?s but i just got a 07 350 with auto and im want to know whats out there for it
What i am talking about is when you are cruising down the road in full auto mode dont floor the pedal and let the trans downshift it self.The shock of all that torque is what kills the trans.What you need to do is to go into man mode and downshift yourself when nailing the throttle.
A vb will set you back about a grand but GTM and Forged performance are selling the Transgo kits that any competent trans shop should be able to install for $250.
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Greddy twins and a whole lot more.
dayum!! if wanna go FI and do the " man mode ", why just don't get the 6mt? or get a nice AT cars like bimmers with all the money you are spending & spent ?
one of my friend just bought 335 bimmer and its quick as hell. i raced him the other day and we gunned from 60 ~ 120 and i lost by 1-2 car length.
dayum!! if wanna go FI and do the " man mode ", why just don't get the 6mt? or get a nice AT cars like bimmers with all the money you are spending & spent ?
one of my friend just bought 335 bimmer and its quick as hell. i raced him the other day and we gunned from 60 ~ 120 and i lost by 1-2 car length.
race a TT or SC g coupe with either AT or 6MT and see how much you lose by.............
oh, im sorry. i should have looked at the user name of the poster that said that......
but anyways, best of luck on whatever you decide to do. I advise you to keeping asking questions like you already are whenever you are unsure. Im new here as well, but they are very very helpful here and are always willing to help you out.
yeah im finding that out, it seems to be the same people that help (which they do very well) but there are only a few. most of the others are just smarta**s and say useless crap.
dayum!! if wanna go FI and do the " man mode ", why just don't get the 6mt? or get a nice AT cars like bimmers with all the money you are spending & spent ?
one of my friend just bought 335 bimmer and its quick as hell. i raced him the other day and we gunned from 60 ~ 120 and i lost by 1-2 car length.
Bring your buddy my way and see how bad he gets spanked.
__________________
Greddy twins and a whole lot more.
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When you are driving, your automatic transmission is doing alot of work based on what your foot is doing. for instance, if your driving and decide to give it WOT (wide open throttle), your transmission will downshift to the necessary gear, usually one gear below what you are in. Or just driving regular, your transmission bases your speed, the throttle posistion, etc...on where it needs to be to properly shift and to be in the proper gear. And for all of this to happen, you need a good valve body. Basically hydraulic or transmission fluid is routed through this maze of channels i was telling you about, and based on what you do with the gas pedal and gear shifter bases where this fluid goes and activates the proper gear. the vlave body controls how smooth your tranny shifts and everything like that. 
.I think the main thing is never to really get into boost hard when you are up in the higher gears as this shocks the trans when it trys to downshift so when im about to go full boost i make sure im in the lower gears then let her rip.
