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How much PS spilt case gearbox can survive?
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gti1977
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PostPosted: Tue Nov 25, 2014 1:41 pm    Post subject: How much PS spilt case gearbox can survive? Reply with quote

Is it posible for this gearbox to not fall apart with power over 150ps and over 200Nm.Car will be about 550kg weight.
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Slow 1200
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PostPosted: Wed Nov 26, 2014 1:31 am    Post subject: Reply with quote

maybe if you dont drive it Laughing
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spencerfvee
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PostPosted: Thu Nov 27, 2014 8:06 am    Post subject: Re: How much PS spilt case gearbox can survive? Reply with quote

Hi years ago there was a guy that had a buggy that had a 78 x 92 motor that had 48 Ida's big cam he ran it with a split case trans on the street how much HP he was putting out with that motor I don't know he ran it for years I used to street race him with my bug .i would be burning the tires on my bug leaving the line and he would baby it off the line .no tire burning .maybe if you drive your car with care and you don't smoke the tires showing off to your friends .and only get on it when the car is moving down the road on a free way to pass some one I think your trans would live .but shop around and find a newer trans to replace the split trans .i think maybe you spent all your money on your motor and you just want to see how it runs .lol maybe not I say go for it run it all that can happen is you blow up the split case trans .lol just my two cents spencerfvee
gti1977 wrote:
Is it posible for this gearbox to not fall apart with power over 150ps and over 200Nm.Car will be about 550kg weight.
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Kjell Roar
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PostPosted: Sat Nov 29, 2014 3:39 pm    Post subject: Re: How much PS spilt case gearbox can survive? Reply with quote

gti1977 wrote:
Is it posible for this gearbox to not fall apart with power over 150ps and over 200Nm.Car will be about 550kg weight.


You dont build that engine, and then drive like a priest.
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gti1977
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PostPosted: Sat Nov 29, 2014 4:52 pm    Post subject: Reply with quote

Thanks Smile

I think I`ll better use new type trans Smile
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grueni
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PostPosted: Sun Nov 30, 2014 6:12 am    Post subject: Reply with quote

I don't understand the question. You asking for a Maximum but say "over" 150ph and 200nm. That could be 1000hp and 1000nm torque.
I know in the 80s some drag guys used the split case transmission.
Hp is at all nothing "torque" that makes the problem. It's torque and grip and weight.
550kg car and 200 nm should be work fine with a we'll build split case
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Last edited by grueni on Sun Nov 30, 2014 10:24 am; edited 1 time in total
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gti1977
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PostPosted: Sun Nov 30, 2014 10:09 am    Post subject: Reply with quote

Grueni,

Let`s say it will be 170hp and 220Nm
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grueni
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PostPosted: Sun Nov 30, 2014 10:34 am    Post subject: Reply with quote

so at first i thing the split case is as strong as the tpy1.
i would say it so, if you want that torque in your car you could be ok with a rebuild typ1 or split case. but on the save side you are with a pro street.
with typ1 you also have much more options to change in gearing and co.
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henry roberts
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PostPosted: Tue Dec 02, 2014 4:07 pm    Post subject: Reply with quote

this is a little off topic, but certainly interesting...
from a Canadian custom thread in the 58-67 forum. http://www.thesamba.com/vw/forum/viewtopic.php?t=407138&start=40

Helfen wrote:
1965 Canadian Custom's come with a 36 hp fresh air engine with 40hp exhaust, a fully sync. tunnel type transaxle but uses the old 4.43 ring gear instead of the 40hp 4.375,


a very short R&P from the factory, for a tunnel box could be useful.
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