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Cooper stt pro
- Uncle fester
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24 Mar 2019 09:52 #204992
by Uncle fester
Cooper stt pro was created by Uncle fester
Just a thought, I’ve just got another jimny 2003 jlx in silver, completely standard but I have plans to modify it.
My question is I’ve got a set of new 265/75/16 cooper stt pro tyres, could I fit these to my jimny and if so what would be needed?
My question is I’ve got a set of new 265/75/16 cooper stt pro tyres, could I fit these to my jimny and if so what would be needed?
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24 Mar 2019 17:05 #205006
by Riccy
J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp
Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...
www.youtube.com/user/riclemus
Replied by Riccy on topic Cooper stt pro
They are essentially the same size as the 31x10.5r15 I have on the trayback project, but fractionally larger. They are also the cooper stt pro tyre.
To get them to a) fit and b) work will take a bit of doing as Lambert says. Firstly different wheels will be needed as they are 16" rim, not 15".
The trayback has a 2" trailmaster lift kit, 2" body lift (for whats left of the body), severe front wing chopping and custom front bumper (rear gone obviously, but that would also need major trimming if still there). Less trimming would be needed with more lift, but then you need to sort out the castor correction, etc and it all just snowballs quickly into a money pit. Chopping stuff off costs less :laugh:
Then, also as Lambert says, the gearing needs altered to suit the increased tyre size. This depends on where you are starting from (what year jimny with what engine/gearbox). Both of mine are VVT (2005 onwards), which have the R72 gearbox from factory. This needs changed to the earlier R7me gearbox, then a rocklobster transfer box (custom made thing from an old SJ box and new gearset). 4.16 is fine for 31" tyres. As they are VVT I have also had to swap the diffs to the earlier 3.9 ratio. Then the shafts will be too weak to reliably turn the 31" tyres, so theres another fortune in parts for HD shafts & CVs. Might as well fit a locker while your there :laugh: and theres another fortune gone.
Some pics for an idea:
31" coopers...
and these are 285/75r16 on the other one (7" lift):
To get them to a) fit and b) work will take a bit of doing as Lambert says. Firstly different wheels will be needed as they are 16" rim, not 15".
The trayback has a 2" trailmaster lift kit, 2" body lift (for whats left of the body), severe front wing chopping and custom front bumper (rear gone obviously, but that would also need major trimming if still there). Less trimming would be needed with more lift, but then you need to sort out the castor correction, etc and it all just snowballs quickly into a money pit. Chopping stuff off costs less :laugh:
Then, also as Lambert says, the gearing needs altered to suit the increased tyre size. This depends on where you are starting from (what year jimny with what engine/gearbox). Both of mine are VVT (2005 onwards), which have the R72 gearbox from factory. This needs changed to the earlier R7me gearbox, then a rocklobster transfer box (custom made thing from an old SJ box and new gearset). 4.16 is fine for 31" tyres. As they are VVT I have also had to swap the diffs to the earlier 3.9 ratio. Then the shafts will be too weak to reliably turn the 31" tyres, so theres another fortune in parts for HD shafts & CVs. Might as well fit a locker while your there :laugh: and theres another fortune gone.
Some pics for an idea:
31" coopers...
and these are 285/75r16 on the other one (7" lift):
J999 MNY, ULYSSES M18 VVT with ITB's Dyno tested at 130hp
Pickup/tipper, R7me gearbox & 6.4 Rocklobster, 31" Toyo MT, 2x ARB air locker 3.9 diffs in braced axles, 6" total lift, Floating rear conversion, Raptor painted, CB, Recaro's, Caged, etc, etc...
www.youtube.com/user/riclemus
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- Uncle fester
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- Uncle fester
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