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  #1  
Old 10th May 2009, 12:44 PM
Chris Gibbs
 
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Google "Dax Quadra", this was a Sierra 4 x 4 based car.

The problem with the system is that the transfer box on the gearbox for the front prop/differential is on the drivers side of the gearbox and therefore takes up space in the drivers footwell.

There's also a 4 x 4 Locost, try a search on the Locostbuilders forum.

Cheers

Chris
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  #2  
Old 10th May 2009, 04:59 PM
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AshG AshG is offline
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my question to all is why would you want a 4x4 roadster?

im building a roadster because i wanted a small fast rwd car. why? because they are more fun that way!

i dont think its impossible to do and i would be very interested to see how someone goes about it. i just can't see the major advantage on such a small light car compared to all the extra weight and the time/effort put into developing it.

you never know one day they may start off roading roadsters then it will be a great idea
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  #3  
Old 10th May 2009, 07:29 PM
fabbyglass
 
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RWD much better and a lot more fun especially in the wet

I have my own section of "hillclimb" on the way to grp suppliers so drive it like a complete knob but boy is it fun and a damn fine way of relieving stress..I arrive with a smile everytime
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  #4  
Old 10th May 2009, 08:34 PM
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Bonzo Bonzo is offline
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Quote:
Originally Posted by fabbyglass View Post
RWD much better and a lot more fun especially in the wet

I have my own section of "hillclimb" on the way to grp suppliers so drive it like a complete knob but boy is it fun and a damn fine way of relieving stress..I arrive with a smile everytime

A lovely bit of road Mark

Lets hope we never meet when I am driving like a bell end
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  #5  
Old 11th May 2009, 11:56 AM
DaveW DaveW is offline
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Quote:
Originally Posted by AshG View Post
my question to all is why would you want a 4x4 roadster?

im building a roadster because i wanted a small fast rwd car. why? because they are more fun that way!

i dont think its impossible to do and i would be very interested to see how someone goes about it. i just can't see the major advantage on such a small light car compared to all the extra weight and the time/effort put into developing it.

you never know one day they may start off roading roadsters then it will be a great idea
200 km daily to my Works
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  #6  
Old 4th November 2009, 08:21 PM
chrisunwin chrisunwin is offline
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Dave

I have pondered the 4X4 option, the only way I can see to do it is to use the engine and box from a front wheel drive car, turn the whole lot through 90deg, then mate the drive shafts to dfis front and rear. BIG problem is that the diffs will need a 1 to 1 ratio. Good luck finding them.

Regards

Chris
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  #7  
Old 4th November 2009, 08:26 PM
londonsean69 londonsean69 is offline
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Quote:
Originally Posted by chrisunwin View Post
Dave

I have pondered the 4X4 option, the only way I can see to do it is to use the engine and box from a front wheel drive car, turn the whole lot through 90deg, then mate the drive shafts to dfis front and rear. BIG problem is that the diffs will need a 1 to 1 ratio. Good luck finding them.

Regards

Chris
You have confused the hell out of me there. Why would you need a second gearbox? Just use 4x4 running gear from, oh lets see, a Sierra 4x4??

I asked this question some time ago on the LB forum, and whilst it can be done (and has been - although not a Haynes) it is a lot of work, involving inboard shocks to avoid front driveshafts etc.

Link to LB discussion on 4x4 locost/haynes
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  #8  
Old 4th November 2009, 08:37 PM
flyerncle flyerncle is offline
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As Bonzo say's Audi/VW is probably the easiest route as the length from crank pulley to front driveshaft is relatively short. I have seen a MK 3 Escort converted to 4x4 rear engine V8,it was done by making a 1:1 transfer gear on the g/box output feeding two shortened Atlas axle's,the front with two short driveshafts.
Handled like a kart and went like kaky through a goose !

Why is still a good question as its a lot of hard work ?
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  #9  
Old 6th November 2009, 06:38 PM
chrisunwin chrisunwin is offline
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Sean

Didnt mean to confuse anyone. No second gearbox required, just use the engine and box from a fwd car turned through 90 degs. you then have one rive shaft pointing forwards and the other backwards. Connect these to the front & rear diffs, (which need to be 1:1 ratio). Just an idea.

Chris
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  #10  
Old 6th November 2009, 06:50 PM
londonsean69 londonsean69 is offline
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Quote:
Originally Posted by chrisunwin View Post
Sean

Didnt mean to confuse anyone. No second gearbox required, just use the engine and box from a fwd car turned through 90 degs. you then have one rive shaft pointing forwards and the other backwards. Connect these to the front & rear diffs, (which need to be 1:1 ratio). Just an idea.

Chris
I understand what you mean now.
  • Take an engine from a FWD car, say a Focus.
  • Rotate the whole engine/gearbox assembly through 90 degrees. You will then have the 2 drive shafts acting as front and rear propshafts.
  • Front and rear fit 1:1 diffs, just to transfer the movement.

Actually quite a nice idea, not too sure where you would get the diffs though.

I'm sticking with RWD, much more fun
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