jtskips
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posted on 27/2/16 at 03:23 PM |
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mazda rx8 gearbox weight
Just been out to weigh my 6 speed RX8 -
the ford cast 5 speed
Type 9 gearbox without bell housing - 31.5kg
Ally bell housing for duratec/Zetec, xE - 4.5kg
RX8 6 speed box (includes bell housing and clutch fork etc.) - 46.5k, wow thats heavy carn`t belive the alloy rx8 box weighs as much as that, so
thats that project out of the window
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coozer
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posted on 27/2/16 at 05:09 PM |
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The 5 speed mx5 box is much lighter....
1972 V8 Jago
1980 Z750
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jtskips
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posted on 27/2/16 at 05:20 PM |
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I weighed a 5 speed on friday at labtop robs place 46kg , but its a cheap close ratio gearbox cheaper than a type 9 tran x or quaife ,
same input and drive shaft splines ,
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DW100
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posted on 27/2/16 at 05:23 PM |
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But if you have to add more weight it is in the best place, low down right in the centre of the car.
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jtskips
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posted on 27/2/16 at 05:55 PM |
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good point well made
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scootz
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posted on 27/2/16 at 09:00 PM |
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They are heavy buggers. Did it have oil in it? I weighed one years ago and was sure it was in the 50's (was full of oil).
Guess the necessary adapter plate will add a few kilos too...
Like others have said - cheap close ratio (1st gear would pretty much be redundant though).
It's Evolution Baby!
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jtskips
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posted on 27/2/16 at 09:39 PM |
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all gearboxs were bone dry no oil at all,i was hoping that the rx8 box was going to be light.
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sdh2903
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posted on 27/2/16 at 09:59 PM |
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Heavy but v cheap and plentiful. Prob not much use to you but the bmw getrag box I used in my GKD was very light. E36 318is.
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coozer
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posted on 27/2/16 at 10:02 PM |
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Hmm, I read up on PCC about the box and for want I remember the 6 speeder has a lot heavy due to the extra cogs and bigger case....
I'm going to weigh my ford mx75 gearbox and see how much I can get rid off...
1972 V8 Jago
1980 Z750
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jtskips
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posted on 3/3/16 at 07:44 PM |
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quote: Originally posted by sdh2903
Heavy but v cheap and plentiful. Prob not much use to you but the bmw getrag box I used in my GKD was very light. E36 318is.
what engine did the gkd have in it ,any idea which bmw clutch plate was fitted , i had a look at the ratios on this e36 box and there the same as a
tran x
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sdh2903
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posted on 3/3/16 at 08:02 PM |
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It was an m42 4 cyl engine/clutch/box from an e36 318is. I have no actual data of the weight but I just remember it feeling particularly light
compared to type 9 and also the mx5 box I have in the garage. Maybe Google will get you some weight data.
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jtskips
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posted on 3/3/16 at 09:13 PM |
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yep you right 29 to 30 kg
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