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Author Polo project- fwd motorbike engine possible????
willhouse
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Registered: 11th Jul 06
Location: Sheffield
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20th Nov 06 at 12:11   View User's Profile U2U Member Reply With Quote

havn't searched or anything yet on the net but wondered if many or any cars had had engine conversions from motorbike but kept front wheel drive in any small hatchbacks etc???



[Edited on 20-11-2006 by willhouse]
Daimo B
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20th Nov 06 at 13:13   View User's Profile U2U Member Reply With Quote

Good post.

Im wondering if the effort required is jaust as hard as putting it in the back and making a dohnut machine.

Bikes also have less torque, its harder to pull than it is to push...

But, No reason why a turbocharged 1000cc bike engine wouldn't work. Will be loads of room, should ahndle quite well too.
xXSpUdXx
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20th Nov 06 at 13:17   View User's Profile U2U Member Reply With Quote

i have seen 205 with hyabussa turbo in it, wether it was front or rear wheel drive i couldnt say
Colin
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20th Nov 06 at 13:19   View User's Profile U2U Member Reply With Quote

Reliant Robin with a turbo'd fireblade engine runnignabout my way...
willhouse
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20th Nov 06 at 13:27   View User's Profile U2U Member Reply With Quote

something along all these lines i was thinking-

only really playing with the idea and i cant afford it at all this year but idea that sprung to mind was my craving for a euro styled 91 polo coupe with a bike engine- possibly hyabusa or similar. they have a massive engine bay-

my thoughts were- it should all work and one of the only major fabrications/custom parts would be a bellhousing converter type thing for the gearbox??
willhouse
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20th Nov 06 at 13:28   View User's Profile U2U Member Reply With Quote

anybody think of any fatal flaws in the idea as i know nothing about bike engines or conversions
Colin
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20th Nov 06 at 13:29   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by willhouse
anybody think of any fatal flaws in the idea as i know nothing about bike engines or conversions


Ask Beardy...he's involved with a company that does them.
Robin
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Registered: 7th Jan 04
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20th Nov 06 at 16:07   View Garage View User's Profile U2U Member Reply With Quote

why would you want to go to the effort of getting the engine it, and having it drive the wrong wheels still?
Daimo B
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20th Nov 06 at 16:33   View User's Profile U2U Member Reply With Quote

Why do people put 400bhp Zetexs in Fiestas?

Why do people put 300bhp LET's in Corsas?

Why do you own a FWD?

Its not the WRONG wheels, its just the slightly less performing wheels to drive. I like the way FWD drives, so in my mind, its not wrong

A project is a project... You could say whyy did that guy build that Spitfire engined car, with like 3 gearboxes mated together to take the power? Why? becuase he could, and becuase its fun to do so

[Edited on 20-11-2006 by VXR]
Robin
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20th Nov 06 at 16:36   View Garage View User's Profile U2U Member Reply With Quote

but the Zetec in a fiesta and the CLET in a corsa does not involve spaceframing the front end.
Daimo B
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20th Nov 06 at 16:39   View User's Profile U2U Member Reply With Quote

With a bike engine being so small, it wouldn't take that much welding to create the appropriate engine and box mount points...

Make it RWD will require a whole rear frame setup, floor cut away etc... Much kmore £££
Eck
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20th Nov 06 at 16:42   View Garage View User's Profile U2U Member Reply With Quote

But why spend all that money on doing a bike conversion when it'll have stupid amounts of torque steer. Have to admit it would be different though.
BabyBlade
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20th Nov 06 at 16:42   View User's Profile U2U Member Reply With Quote

Am with Daimo, what does it matter if its front wheel drive, or requires space framing etc.

Would rather a RWD one but if FWD works out cheaper and easier why not.

As long as you have fun doing it thats all that matters imo

Bit worried how he's said he knows nothing about bike engines or conversions though Could make the job a bit harder
mwg
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20th Nov 06 at 16:43   View User's Profile U2U Member Reply With Quote

It would be interesting to see something like that done.

I've heard much worse ideas than that
Ojc
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Registered: 14th Nov 00
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20th Nov 06 at 16:45   View User's Profile U2U Member Reply With Quote

The only cars worth doing this to are kit cars like Caterhams and Minis and Metros.
willhouse
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20th Nov 06 at 17:11   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by BabyBlade
Am with Daimo, what does it matter if its front wheel drive, or requires space framing etc.

Would rather a RWD one but if FWD works out cheaper and easier why not.

As long as you have fun doing it thats all that matters imo

Bit worried how he's said he knows nothing about bike engines or conversions though Could make the job a bit harder


exactly why i would do it.

i do know a fair bit about conversions and car mechanics, electrics are not my favourite but i can do them with the right diagrams and info and would have plenty of help from a group of knowledgeable mates and contacts if it was to go ahead, plus alot of the answers i may need to find can be sourced from where we are now, a forum. So if i get stuck with anything its not hard to find an answer on the net these days.
BabyBlade
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20th Nov 06 at 17:14   View User's Profile U2U Member Reply With Quote

Good luck, hope it works

Will be interesting how much it costs to do and how long it takes.

Are you thinking to turbo the engine?
Robin
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20th Nov 06 at 17:23   View Garage View User's Profile U2U Member Reply With Quote

tbh, the biggest issue will be the gearbox.
Baskey
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20th Nov 06 at 17:23   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by willhouse
anybody think of any fatal flaws in the idea as i know nothing about bike engines or conversions


In performance GTI mag this month they have a saxo with a civic type r engine in the back built by Z cars, They said they have stoped using bike engines (think they built a 106/saxo with an R1 engine in the back) becasue although they sound good and produce good power there just wasnt enough torque to make them 'quick enough for the effort'

This was only in the rear though, never heard of a front, bike engined car
Eck
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20th Nov 06 at 17:24   View Garage View User's Profile U2U Member Reply With Quote

I read the same article as Baskey, and he does have a point. Bike engines are good in Mini's etc as they are so light the lack of torque isn't really an issue. But I think it would show more in a polo.
willhouse
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20th Nov 06 at 17:25   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by BabyBlade
Good luck, hope it works

Will be interesting how much it costs to do and how long it takes.

Are you thinking to turbo the engine?


im really not sure yet- im getting the polo in the next week or 2.

bodywork and all other stuff will be done first then will be looking at engine next year.

iv not looked at power or torque figures on standard bike engines yet- i will look at them first to see if a standard engine will be good enough to pull it
Engine will probably be run with nos as opposed to a turbo if it goes ahead due to the fact that it will be more bhp and lb/ft per £ note. would probably cost a fortune for a turbo conversion.
but i dont want to get people in a discussion about nos because most people dont like it.
Robin
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20th Nov 06 at 17:29   View Garage View User's Profile U2U Member Reply With Quote

If i were you, I'd just source a polo GT engine, and pot some carbs on it, hide all the pipes/cables, and smooth the bay.

or a diesel engine, thats very euro.
willhouse
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20th Nov 06 at 17:31   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Robin
If i were you, I'd just source a polo GT engine, and pot some carbs on it, hide all the pipes/cables, and smooth the bay.

or a diesel engine, thats very euro.


thats the other plan rob

am i right in thinking that the gt engine is a fairly solid one to tune as well???
Baskey
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20th Nov 06 at 17:31   View User's Profile U2U Member Reply With Quote

^^^ do the 1.8t fit??, flan from renaultsportsclub has a 290 bhp one in his mk1 clio so im sure they would fit in a polo ?
willhouse
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20th Nov 06 at 17:32   View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Baskey
^^^ do the 1.8t fit??, flan from renaultsportsclub has a 290 bhp one in his mk1 clio so im sure they would fit in a polo ?


yeah they do. bit off cutting and welding and custom engine mounts


[Edited on 20-11-2006 by willhouse]

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