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  Soarer Central * Mechanical - TT * General Mechanical * Highest RWKW using standard auto trans in a TT?? * Archive through June 02, 2010 Previous Previous    Next Next  

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James Wilson
TryHard
sa
TT

Posts: 218
Reg: 10-2008

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Tuesday, May 18, 2010 - 04:26 pm, by:  James Wilson (Ser493) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi,

Just finishing my project and have a spare engine and trans. I will be hopefully making around 300kw and am going to see how long the factory trans will hold up. Just wondering if any other members have tried this before, and what sort of power are we talking. I would assume this would really depend on driving styles too?
Neil Griffiths
Goo Roo
NSW
I have a Cadillac and a Supercharged Manual V8

Posts: 4968
Reg: 07-2005

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Tuesday, May 18, 2010 - 04:59 pm, by:  Neil Griffiths (Aussiesc) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have been putting a stock V8 auto through the tests.
Has been drag raced for about 2years.
Currently putting 300kw through it. Doing 11's
I have so far run 3rd gear out to 208 kph. 3.75 diff.
BUT,
I run Full Syn ATF, with a Shift Kit and 2,800 Stall.
Has a big cooler.
Ryan Rankovic
Goo Roo
Victoria
Soarer TT GT-TL

Posts: 1568
Reg: 07-2005

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Tuesday, May 18, 2010 - 08:07 pm, by:  Ryan Rankovic (Ryan1j) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

my auto seemed to be ok at 230rwkw on 16psi

but then after running it at 20psi at unknown power, it started slipping fairly badly, to the point you couldn't put your foot down for a bit of boost.
Jeff Bedsor
DieHard
QLD
TT

Posts: 828
Reg: 10-2006

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Wednesday, May 19, 2010 - 08:07 am, by:  Jeff Bedsor (Jeff_bedsor) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

If you put a shift kit in it and a good cooler it should handle close to 300kw. I've got 290ish and running 11's and it has never had any problems. Mine was flogged by a young bloke before I bought it so they are pretty tough trannies.
Marc Hoffmann
TryHard
Vic
Soarer TT

Posts: 229
Reg: 07-2009

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Wednesday, May 19, 2010 - 01:44 pm, by:  Marc Hoffmann (Rushed) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

in transmission sub-forum, like 10 topics down :-)

http://soarercentral.com/sc-forum/messages/31678/311821.html?1268696040
Boris Siljanoski
DieHard
Western Australia
Soarer GZ20 TT

Posts: 906
Reg: 11-2007

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Thursday, May 20, 2010 - 01:30 am, by:  Boris Siljanoski (Z2tt) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Shift kits sort of make the transmission not very standard.

General consensus is 240rwkw many people seem to break their trans going past that point. Somebody ran his at 300rwkw for a while a few runs then it broke.
Allan Langford
Newbie
Vic
UZZ31

Posts: 3
Reg: 05-2010

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Thursday, May 20, 2010 - 06:26 am, by:  Allan Langford (Allan) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

mate uses a a340 (MV built) behind his T04z equipped 7M-GTE and now its behind a T04z equipped L98 chev, it did 50,000km behind the 7m at over 300rwkw
James Wilson
TryHard
sa
TT

Posts: 227
Reg: 10-2008

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Thursday, May 20, 2010 - 07:39 am, by:  James Wilson (Ser493) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah think i might keep my spare as a spare and go see MV's. Shift kit and cooler seems to be the standard precautions. Never had to modify an auto trans before, what sort of bucks should I be charged to get the shift kit installed, cooler i would do my self :-)
Allan Langford
Newbie
Vic
UZZ31

Posts: 4
Reg: 05-2010

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Thursday, May 20, 2010 - 03:05 pm, by:  Allan Langford (Allan) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

check on supraforums.com there was a post on diy a340 shift kitting... costs you about $2 worth of washers in the accumulators!

good thing about autos is they are typically free to pickup another!
Boris Siljanoski
DieHard
Western Australia
Soarer GZ20 TT

Posts: 909
Reg: 11-2007

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Thursday, May 20, 2010 - 10:17 pm, by:  Boris Siljanoski (Z2tt) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

From what i read in that thread it just makes the shifts harsher and not quicker, guess MV wouldn't be making shift kits if that mod was effective.
Jeff Bedsor
DieHard
QLD
TT

Posts: 829
Reg: 10-2006

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Monday, May 24, 2010 - 08:12 am, by:  Jeff Bedsor (Jeff_bedsor) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Allan Langford wrote on Thursday, May 20, 2010 - 03:05 pm:

check on supraforums.com there was a post on diy a340 shift kitting... costs you about $2 worth of washers in the accumulators!



And will probably f**k up your tranny quicker, MV Automatics do a hell of a lot more than that in their shift kits.
Sebastian Grant
Goo Roo
nsw
soarer TT

Posts: 1080
Reg: 01-2008

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Monday, May 24, 2010 - 10:39 am, by:  Sebastian Grant (Saabg) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Cihan did it ages ago and doesn't recommend doing it and he is one guy you should listen to.
Allan Langford
Tinkerer
Vic
UZZ31

Posts: 11
Reg: 05-2010

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Monday, May 24, 2010 - 11:29 am, by:  Allan Langford (Allan) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have had a fully MV built auto striped out in parts next to a stock a340 besides a few extra clutches and a couple of holes drilled for an oiling mod (that is a bit questionable) there is not much done outside of the valve body!

while shimming the accumulators and turning up the base line pressure is probably not all of the valve body mods its at least 90% of it.

and there is no difference between quick shifts and harsh shifts! of you don't want harsh shifts you let the clutch slip for a smooth engagement

see the planetsoarer article note stage 4 is referred to a "dash cracker"
James Wilson
TryHard
sa
TT

Posts: 233
Reg: 10-2008

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Monday, May 24, 2010 - 11:42 am, by:  James Wilson (Ser493) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have now decided i am going to see how long it will take to smash my standard trans. MV's quoted $2850 for a stage 2 trans, this was the bare minimum they said for the power output. I will keep you all posted as to how long it lasts :-) Stage 2 trans included upgraded clutches + shift kit and did not include removal or refit of trans. So it's not what I would call a cheap mod :-(
Allan Langford
Tinkerer
Vic
UZZ31

Posts: 12
Reg: 05-2010

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Monday, May 24, 2010 - 12:49 pm, by:  Allan Langford (Allan) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

make sure you have fresh fluid in it and a big trans cooler will help keep it alive.

Photos of IJ's new trans and my old 7m-gte trans

http://img179.imageshack.us/i/lsx367.jpg/
http://img22.imageshack.us/i/lsx366.jpg/
James Wilson
TryHard
sa
TT

Posts: 234
Reg: 10-2008

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Monday, May 24, 2010 - 12:56 pm, by:  James Wilson (Ser493) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah I will definately run redline auto trans fluid (if the do it?) and the biggest cooler i can get my hands on. I will also make sure I always wear light shoes when driving it :-)
Jeff Bedsor
DieHard
QLD
TT

Posts: 830
Reg: 10-2006

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Monday, May 24, 2010 - 01:03 pm, by:  Jeff Bedsor (Jeff_bedsor) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Allan - so you could build a box that will handle 500rwkw all day for less than $3000? You have been on here for a couple of days and you are criticising one of the best known and proven transmission builders around. Great start.
Allan Langford
Tinkerer
Vic
UZZ31

Posts: 13
Reg: 05-2010

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Monday, May 24, 2010 - 01:56 pm, by:  Allan Langford (Allan) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

MV's autos work and work well, his oiling mod at the back of the trans is interesting (is probably a better word then questionable) but we will see how the new auto go's with just the Kevlar clutches and MV valve body... well me and a few mates will anyway...

no I would not build an auto to handle that power for less then $3k there is lots of labor involved!

Just because i'm new to this forum does not exclude the past 12 years of playing with Toyotas,
That being said seems there are wayyyy to many sensitive people here that can't handle a frank discussion on modifications... i'll return to lurking status and you guys can continue on your merry way
James Wilson
TryHard
sa
TT

Posts: 235
Reg: 10-2008

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Monday, May 24, 2010 - 02:05 pm, by:  James Wilson (Ser493) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I think $2850 is probably reasonable for the trans MV's want to build me, I guess when you think about it there is like 3 clutches stall converter, loads of machining I mean you wont get it done much cheaper than 2850?? Plus I am willing to bet the trans they build would be bulletproof....they do have a very good rep.
Jeff Bedsor
DieHard
QLD
TT

Posts: 831
Reg: 10-2006

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Monday, May 24, 2010 - 02:26 pm, by:  Jeff Bedsor (Jeff_bedsor) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Discussion is good, negative criticism of a proven and in my experience, a very helpful company and their products is not. I am in no way sensitive, but I will have my say if I think someone is talking
I have 35 years working on lots of different cars and bikes, does that make me an expert...
Allan Langford
Tinkerer
Vic
UZZ31

Posts: 14
Reg: 05-2010

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Monday, May 24, 2010 - 03:28 pm, by:  Allan Langford (Allan) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

funny that, i would consider fitting a SC14 to a 1uz a large case of talking and when i declared it so i was offered a smack in the mouth and told i'm a drunken monkey by another forum member...

Now i say an MV auto lasted 50,000km behind a 300+rwkw 7m but the oiling mods to the case are a little bit odd, offer a stop gap solution that will work and help the auto last and you play the "you don't know you have not been on the forum long" card

If shimming the accumulators and turning the base line pressure up will not extend the life of an auto how about you tell us why? or is it a trade secret?
Jeff Bedsor
DieHard
QLD
TT

Posts: 832
Reg: 10-2006

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Tuesday, May 25, 2010 - 10:39 am, by:  Jeff Bedsor (Jeff_bedsor) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


Allan Langford wrote on Thursday, May 20, 2010 - 03:05 pm:

check on supraforums.com there was a post on diy a340 shift kitting... costs you about $2 worth of washers in the accumulators!



This has been proven over and over not to work properly


Allan Langford wrote on Monday, May 24, 2010 - 11:29 am:

I have had a fully MV built auto striped out in parts next to a stock a340 besides a few extra clutches and a couple of holes drilled for an oiling mod (that is a bit questionable) there is not much done outside of the valve body!

while shimming the accumulators and turning up the base line pressure is probably not all of the valve body mods its at least 90% of it.




I read this as MV charges heaps for doing very little work.
Do you know every mod they do to valve body, have you even run down the strip in a Soarer fitted with a MV shift kit?
These are the statements that got up my nose, they aren't about discussion they are insinuating that MV are ripping people of by doing very little work for the money charged.
Daniel Langridge
TryHard
qld
tt

Posts: 124
Reg: 07-2008

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Wednesday, May 26, 2010 - 09:27 am, by:  Daniel Langridge (Daniel_langridge) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Is Cam still doing shift kits? they work well, A lot of members use them and under $500, mine works well and with the foot down there is a little cherp into 2nd
James Wilson
TryHard
sa
TT

Posts: 248
Reg: 10-2008

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Friday, May 28, 2010 - 07:08 am, by:  James Wilson (Ser493) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I think even with a shift kit the trans clutches will give up pretty quickly. I really need to have the box built. I am going to run a big cooler and good quality oil and see how long the first trans lasts.
Chris Davey
Goo Roo
QLD
Corona

Posts: 1753
Reg: 07-2005

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Wednesday, June 02, 2010 - 04:08 pm, by:  Chris Davey (Chris_davey) Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I have shimmed accumulators on mine, 2 trans coolers and it is going fine *touch wood*. This is in the corona making 315rwkw, drag use only.

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