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Old 12 June 2014, 06:01 PM
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tom-r33
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Default moving engine/box back

Anyone moved the engine/box toward the rear of the car??
Old 12 June 2014, 09:34 PM
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Alan Jeffery
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I bet a few have done that suddenly, and by accident. I can't see any other explanation.
Old 12 June 2014, 10:31 PM
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RedScoob
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tom-r33, do you mean has anyone relocated their engine and gearbox to a mid or rear mounted position?
Old 13 June 2014, 10:39 AM
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tom-r33
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Exactly that.
With 5spd box looks like 60mm ish move back wouldn't be too hard.
I'm concerned about front driveshadt angles mainly, I think everything else can be sorted fairly easily
Mainly thinking about doing it to balance the car better....
Old 13 June 2014, 12:19 PM
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Mr.Two
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Sounds like more effort than it's worth to me But go ahead, would be interesting to see the result. Can't imagine it'll be great for the driveshafts - plus wouldn't you have to shorten the propshaft too?
Old 13 June 2014, 12:58 PM
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Carnut
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Originally Posted by tom-r33
Exactly that.
With 5spd box looks like 60mm ish move back wouldn't be too hard.
I'm concerned about front driveshadt angles mainly, I think everything else can be sorted fairly easily
Mainly thinking about doing it to balance the car better....
What is the weight distribution as standard? You may in fact make it worse, you need to know what the starting point is first.

you may also be able to achieve the same results but fitting lighter parts such as panels/bonnet and by putting the battery in the boot etc.
Old 14 June 2014, 12:21 AM
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tom-r33
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Sorry not 'exactly that', I misread. I just want to shift it back abit, but concerned about shaft angle mainly.
Looks like major chassic work with a 6speed, but 5speed might be a goer!

Current weight distribution with a 6speed, heavy front mount, fully stripped rally car with spare in boot, half tank fuel and people is fr:rr 64:36

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Old 14 June 2014, 12:33 AM
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tom-r33
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Originally Posted by Mr.Two
Sounds like more effort than it's worth to me But go ahead, would be interesting to see the result. Can't imagine it'll be great for the driveshafts - plus wouldn't you have to shorten the propshaft too?
Yea maybe, but I don't mind putting effort in for small gains. Theres a few things that need doing..
Engine and gearbox cradle modifying or making from scratcj. steering rack geometry and sump might be tricky
Shorten prop and exhaust
Lengthen front shafts
Extend radiator and intercooler pipes
Probably a few more
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