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Author: Subject: zx12r imp
imp paul

posted on 18/2/07 at 06:13 PM Reply With Quote
zx12r imp

work so far the engine is in .click my picys to have a look hope you like it. its been hard work but thanks to paul at spire sports cars for all the help

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nitram38

posted on 18/2/07 at 06:16 PM Reply With Quote
Nice !
I used to race these in the Post Historics in 1993!
Should be scaryingly quick and handle like a go-kart !

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DIY Si

posted on 18/2/07 at 06:16 PM Reply With Quote
That should be good fun when it's done!
What made you decide to turn the engine round, and not have it as it is in the bike?





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imp paul

posted on 18/2/07 at 06:25 PM Reply With Quote
engine

imp engines live in the back the same way as i have the bike engine. also want to keep things looking like it should so it all looks the norm lol


[Edited on 18/2/07 by imp paul]

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DIY Si

posted on 18/2/07 at 06:36 PM Reply With Quote
Ah, I knew there'd be a sensible reason!





“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
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arrybradbury

posted on 18/2/07 at 06:41 PM Reply With Quote
I think the cage gives it away But looking awesome
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Hellfire

posted on 18/2/07 at 07:42 PM Reply With Quote
Hey Paul,

With the engine in and stuff - how much room did you eventually have left?

ATB Steve






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SeaBass

posted on 18/2/07 at 07:50 PM Reply With Quote
How does that drive layout work then??

Is it a chain across to a diff nose??






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imp paul

posted on 18/2/07 at 07:53 PM Reply With Quote
room no room

hi steve i had no room left in the back had to do some rear panel chopping nightmare fom hell as for drive lay out click my picys and you will see

[Edited on 18/2/07 by imp paul]

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zxrlocost

posted on 19/2/07 at 08:08 AM Reply With Quote
is it going to wheelie
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G.Man

posted on 19/2/07 at 09:32 AM Reply With Quote
PICS

Save everyone searching..

I like the drive layout, bit worried about the gearbox without cush drive on the diff tho...

The engine mounts don't look too solid to me, but I will stand corrected... I have seen 250cc karts break sturdier looking mounts than those!

No dry sump? Gonna accusump? Whats the plan?

Personally I would have gone mid engined rather than rear, but its your project not mine..







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imp paul

posted on 19/2/07 at 05:54 PM Reply With Quote
the frame is only tacked at the moment. it will be more sturdy when its seamed .as for the sump going to have the same sump as in the gtr kit car baffled and modded pickup . also the gtr kit car at spire sports cars has no cush drive in the prop. and has done track day after track day and 8000 miles so no worries there then hope this helps a bit more o and thanks for the interrest hope you like it as much as i do but then im mad lol
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G.Man

posted on 19/2/07 at 07:13 PM Reply With Quote
8000 miles is nothing for a gearbox, just be prepared to replace a lot of expensive parts if it does break..

Kawasaki boxes are not amongst the best, and you wont know how much damage has been done to the box dogs until they fall off..

I doubt i will like it as much as you, as I would have used chain drive onto a reversing diff for adjustable ratios, better weight balance etc etc...







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zxrlocost

posted on 19/2/07 at 07:52 PM Reply With Quote
wouldnt making a mid engined one include a lot more work etc etc etc
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zxrlocost

posted on 19/2/07 at 07:55 PM Reply With Quote
G man 8000 miles is a lot of miles hell of probably sold it by then
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imp paul

posted on 19/2/07 at 09:29 PM Reply With Quote
g man imps handle like go carts so why would i want to mid mount it and make it all wrong .so that's why its meant to be in the back also that's the hole point so it still looks like a imp
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G.Man

posted on 19/2/07 at 10:10 PM Reply With Quote
Actually they handle NOTHING like Karts..

As I have raced 250 Karts and driven fast imps I know the difference.. A kart corners on 2 front wheels and one rear wheel, an Imp, quite the opposite

I see your point about wanting it to look like an imp, but you said you hope I would like it as much as you, which I wouldnt in that configuration..

Merely my preference...

PS a Go-Kart is a wooden plank with pram wheels at either end..







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imp paul

posted on 19/2/07 at 10:33 PM Reply With Quote
every 1 to there own

and what engine did this fast imp have ? eg Hartwell or greetham 998 or 1120 and i have had imps from being 17 years old to 35 and it all depends how much Penny's you put in to it as anything but if you don't like them that's fine no problem
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zxrlocost

posted on 19/2/07 at 10:44 PM Reply With Quote
G man the blokes doing something different

you sound like your being a right smart ass

everyone knows how good hillman imps can handle

it is a phrase "handles like a go kart"

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G.Man

posted on 20/2/07 at 06:18 AM Reply With Quote
quote:
Originally posted by zxrlocost
G man the blokes doing something different

you sound like your being a right smart ass

everyone knows how good hillman imps can handle

it is a phrase "handles like a go kart"


same to you too, i am entitled to an opinion and I do like imps...

I also offered constructive advice on an area of expertise... thanks for noticing



[Edited on 20/2/07 by G.Man]





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G.Man

posted on 20/2/07 at 07:33 AM Reply With Quote
quote:
Originally posted by imp paul
and what engine did this fast imp have ? eg Hartwell or greetham 998 or 1120 and i have had imps from being 17 years old to 35 and it all depends how much Penny's you put in to it as anything but if you don't like them that's fine no problem


I do not know what engines they had, probably did at the time, but we are talking 1982 here

Of course they handle pretty good for a rear engined car, and I have no problem with it rear engined, its your project not mine, I merely said that mid engined would have been my preference, dry sump would be my preference (like i dry sumped mine) and cush drive to protect gearbox dogs.

Anyway, good luck with the project and let us know how it goes (like stink I should imagine)







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G.Man

posted on 20/2/07 at 07:42 AM Reply With Quote
quote:
Originally posted by zilspeed
Oh goody an opportunity for a video

Graeme Wight Junior at Doune in an Imp. This is a car engine.
GWJ at Doune


I am sure I have seen that one at a hillclimb, doesnt it rev to summat stupid like 10k?







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imp paul

posted on 20/2/07 at 06:04 PM Reply With Quote
my old engine 998 full race greetham

my old engine was a full race 998 made by greetham engineering and gives 130 bhp and revs to 10000rpm .same as grj engine and yes its mad but i want some more power .hence zx12 engine fitted now .thanks to all of you for your thorts cheers paul o also no room for a cush drive or i would have had one but all should be well
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G.Man

posted on 20/2/07 at 07:43 PM Reply With Quote
If you decide later to use a cush drive, think about using some rubber bushes in an enclosed case..

It would replace the UJ and fit in the same space..

10k on the greetham, very nice, bet that sounded sweet..

Pretty much bike engine RPM, but then that CC designed engine was pretty much based on their race designs...

PS. I used to work for a Chrysler/Rootes specialist back in the 80's so became very familiar with the Imp, Chamois etc...







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imp paul

posted on 20/2/07 at 10:08 PM Reply With Quote
cush drive

has any 1 got any pickys off a cush drive? this would help thanks paul
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