Hey guys just wondering what is the shortest lenght ppl have had a jack shaft...
at curent it looks like mine will be ruffly about 2 unis just weleded together, now i KNOW already it will viabrate..
im just wondering how much??
i dont know of any one who has had one this short!
and no im not moveing my case back!!
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jack shaft length, for all of you who have done conversions?
mine is very short 190mm from memory and i only get a vibration under full boost and peddel at high speeds ie 140ks + other wise fine but check out the shaft in the picks in the link
http://www.outerlimits4x4.com/phpBB2/vi ... p?t=105423
there just used either end of a tail shaft then added one more so simple may have to get it balanced but could be fixed any where
http://www.outerlimits4x4.com/phpBB2/vi ... p?t=105423
there just used either end of a tail shaft then added one more so simple may have to get it balanced but could be fixed any where
GU Twin cab TD42T compound turbos
lwb sierra ca18det, 37" "CANT HOLD ON"
lwb sierra g16a, daily driver
https://www.suspensionstuff.com.au/shop/
lwb sierra ca18det, 37" "CANT HOLD ON"
lwb sierra g16a, daily driver
https://www.suspensionstuff.com.au/shop/
Just my 2c - I haven't done this myself but I have seen the results...
If you are going to run 2 uni's back to back, try and make sure that the movement between the gearbox and the case is minimised. The issue is not so much the length of the shaft as the misalignment heavily side loading the output shaft of the gearbox when the box is trying to go one way the case is going the other. 4Play built "the cradle" that locked both gearbox and transfer together when the jackshaft came down to two unis.
Don't weld two yokes together - I would recommend machining the spigot off of one and rebating it so the spigot of the other yoke is a tight fit. This should minimise vibration caused by the shaft.
However, if you have issues with jackshaft length, the only "real" way to fix it is with an OTT kicker - this eliminates all possible alignment issues.
Suzuki would have run a shorter jackshaft if they could IMHO so they could run more rear driveshaft... but they are all the same length across all models, gove or take 3/4". That tells me something about the shoftest shaft you can get away with without problems.
Steve.
If you are going to run 2 uni's back to back, try and make sure that the movement between the gearbox and the case is minimised. The issue is not so much the length of the shaft as the misalignment heavily side loading the output shaft of the gearbox when the box is trying to go one way the case is going the other. 4Play built "the cradle" that locked both gearbox and transfer together when the jackshaft came down to two unis.
Don't weld two yokes together - I would recommend machining the spigot off of one and rebating it so the spigot of the other yoke is a tight fit. This should minimise vibration caused by the shaft.
However, if you have issues with jackshaft length, the only "real" way to fix it is with an OTT kicker - this eliminates all possible alignment issues.
Suzuki would have run a shorter jackshaft if they could IMHO so they could run more rear driveshaft... but they are all the same length across all models, gove or take 3/4". That tells me something about the shoftest shaft you can get away with without problems.
Steve.
[quote="greg"] some say he is a man without happy dreams, or that he sees silver linings on clouds and wonders why they are not platinum... all we know, is he's called the stevie.[/quote]
sharft
yes thats what i have in my ute. im about to make another one for my brothers ute and its going to be shorter than mine. This will allow the motor to be freather back inthe engine bay and then we can use an engine fan.
Trent
Trent
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