Twin Engined Cars
#1
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Right this is a Serious possibility for me over the winter with my toy
If i was running a car with an engine in the front, and an engine in the back, how well balanced would each engine have to be with each other, ie BHP / Torque, so not to try and rip the car apart or one engine 'carry' the other?
Also with the gear linkage been permanantly joined together, ie both boxes select gears at the same time, if i was to only run ONE engine, could a line lock on each hydraulic clutch pipe be sufficient to keep the un driven engine's clutch dipped? or would this kill the release bearing in no time
Would it be possible to map each engine on the rollers to within say 5bhp of each other
Cheers for any info on any of the above and anything i may have overlooked
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If i was running a car with an engine in the front, and an engine in the back, how well balanced would each engine have to be with each other, ie BHP / Torque, so not to try and rip the car apart or one engine 'carry' the other?
Also with the gear linkage been permanantly joined together, ie both boxes select gears at the same time, if i was to only run ONE engine, could a line lock on each hydraulic clutch pipe be sufficient to keep the un driven engine's clutch dipped? or would this kill the release bearing in no time
![Sad](https://passionford.com/forum/images/smilies/icon_sad.gif)
Would it be possible to map each engine on the rollers to within say 5bhp of each other
![Confused](https://passionford.com/forum/images/smilies/icon_confused.gif)
Cheers for any info on any of the above and anything i may have overlooked
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#2
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Great as an engineering show case but other than that I can't see the point!
Just build one high powered engine - less hassle, cheaper and lighter!
Just build one high powered engine - less hassle, cheaper and lighter!
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Just doing it cos,(a) I can, (b)I like pissin around, (c) I like a challenge and (d) I fancy a laugh.
Plus I have a rear engine Mk1 fiesta already
so one up the front aint too much trouble
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#4
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Looked into this myself a few times as ive got a huge interest regarding twin engined machines.
A feature a while ago about the twin engined mk1 golf addressed the problem which you spoke of regarding one engine 'carrying' the other. The owner stated that it's a bit like 2 blokes pushing a car, 1 strong bloke, 1 smaller bloke. Although one bloke is doing more work than the other its still better than just the one![Wink](https://passionford.com/forum/images/smilies/icon_wink.gif)
Will DEFO be building a car like this when i finish my Zetec Turbo project properly.
A feature a while ago about the twin engined mk1 golf addressed the problem which you spoke of regarding one engine 'carrying' the other. The owner stated that it's a bit like 2 blokes pushing a car, 1 strong bloke, 1 smaller bloke. Although one bloke is doing more work than the other its still better than just the one
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Will DEFO be building a car like this when i finish my Zetec Turbo project properly.
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Also do the engines have to be balanced together, or could the rear one be a bit more punchy, as i think a 50 / 50 power split could make for some fun country lane cornering
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Originally Posted by Rhys
Just build one good engine ![Wink](https://passionford.com/forum/images/smilies/icon_wink.gif)
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Any one got any positive advice
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i am thinking of putting another 172 clio engine in my clio
4 wheel drive twin engine 344 bhp n/a
should be fun
and i am lucky as one of mates is ian from dub sport who built the twin engined golf he said
you can put a lawnmower engine in the back and a jet in the front it doesent matter
as for the clio pros
4 wheel drive
independant suspension all round
light and quick
and with me in the middle well balanced
just do it at the end of the day think of all the rust you will be cuting out
4 wheel drive twin engine 344 bhp n/a
should be fun
and i am lucky as one of mates is ian from dub sport who built the twin engined golf he said
you can put a lawnmower engine in the back and a jet in the front it doesent matter
as for the clio pros
4 wheel drive
independant suspension all round
light and quick
and with me in the middle well balanced
just do it at the end of the day think of all the rust you will be cuting out
#14
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What's the point?
Apart from the engineering involved which is obviously very cool, where's the purpose?
Doesn't make it any quicker up the 1/4, chassis balance will be all over the shop, so would make a terrible track car, and for the road, it's entirely pointless.
Suppose it depends what you build your car for. Do you build it to enjoy it on the road/track, or do you build it to park up at a show so people can go "oooh, that bloke put two engines in his car"?
Apart from the engineering involved which is obviously very cool, where's the purpose?
Doesn't make it any quicker up the 1/4, chassis balance will be all over the shop, so would make a terrible track car, and for the road, it's entirely pointless.
Suppose it depends what you build your car for. Do you build it to enjoy it on the road/track, or do you build it to park up at a show so people can go "oooh, that bloke put two engines in his car"?
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Bri
I think your right Why Not, even though it may be pointless over a single engined high powered car and handle strange, the hard work has all been done when putting the engine in the rear so putting one in the front will be easy.
The hard bits will be balancing them, which may not be a problem but the gear ratios and final drive will have to be the same. Also the gear linkage would be a pain, you could always make it so you can put them in neutral then have a quick disconnect pin to leave one in neutral so the other one does the work rather than locking the clutch.
I would check up on the legal bit about running two engines, what about hybrid electric/petrol cars do they only run one at a time?
Jim
I think your right Why Not, even though it may be pointless over a single engined high powered car and handle strange, the hard work has all been done when putting the engine in the rear so putting one in the front will be easy.
The hard bits will be balancing them, which may not be a problem but the gear ratios and final drive will have to be the same. Also the gear linkage would be a pain, you could always make it so you can put them in neutral then have a quick disconnect pin to leave one in neutral so the other one does the work rather than locking the clutch.
I would check up on the legal bit about running two engines, what about hybrid electric/petrol cars do they only run one at a time?
Jim
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Well iam with Bri on this ill defo be building one in the future as thew twin engined concept truly fascinates me.
I wouldnt use it as a track car, only fast road and drag strip, and if i recall correctly the twin engined renault 5 of Ian Nixon ran in the 11s quite happily. Plenty more room for improvement with slicks etc...
I wouldnt use it as a track car, only fast road and drag strip, and if i recall correctly the twin engined renault 5 of Ian Nixon ran in the 11s quite happily. Plenty more room for improvement with slicks etc...
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Originally Posted by RichardPON
What's the point?
Apart from the engineering involved which is obviously very cool, where's the purpose?
Doesn't make it any quicker up the 1/4, chassis balance will be all over the shop, so would make a terrible track car, and for the road, it's entirely pointless.
Suppose it depends what you build your car for. Do you build it to enjoy it on the road/track, or do you build it to park up at a show so people can go "oooh, that bloke put two engines in his car"?
Apart from the engineering involved which is obviously very cool, where's the purpose?
Doesn't make it any quicker up the 1/4, chassis balance will be all over the shop, so would make a terrible track car, and for the road, it's entirely pointless.
Suppose it depends what you build your car for. Do you build it to enjoy it on the road/track, or do you build it to park up at a show so people can go "oooh, that bloke put two engines in his car"?
Maybe true but then were all different
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I mean there is not point in a lot of things
Climbing Mount Everest for starters whats all that about
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My house looked quite nice all painted magnolia ,but it sure as hell was not for me
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#23
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Originally Posted by *Bri.4.b.Cos*
Just doing it cos,(a) I can, (b)I like pissin around, (c) I like a challenge and (d) I fancy a laugh.
Plus I have a rear engine Mk1 fiesta already
so one up the front aint too much trouble
Bri.
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#24
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Originally Posted by Jim S
I would check up on the legal bit about running two engines, what about hybrid electric/petrol cars do they only run one at a time?
Jim
Jim
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#25
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Originally Posted by Jim S
I would check up on the legal bit about running two engines, what about hybrid electric/petrol cars do they only run one at a time?
Jim
Jim
An electric motor will freewheel when not powered.
.
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Originally Posted by plynchy
*Bri.4.b.Cos*
Have you been drinking again?
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Have you been drinking again?
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Originally Posted by RichardPON
What's the point?
Suppose it depends what you build your car for.
Suppose it depends what you build your car for.
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Originally Posted by beefy-rst-2
u lanky fooking nutta
go for it
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go for it
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Originally Posted by diesel2000
Is yours the red one with the lancia engine?
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Originally Posted by Jim S
Bri
I think your right Why Not, even though it may be pointless over a single engined high powered car and handle strange, the hard work has all been done
Jim
I think your right Why Not, even though it may be pointless over a single engined high powered car and handle strange, the hard work has all been done
Jim
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Originally Posted by Mr Sam
Originally Posted by *Bri.4.b.Cos*
I have a rear engine Mk1 fiesta already
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#29
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Originally Posted by CraigoScott
its illegal to have two engines on and linked at the same time out on the public road, you would only be able to use it legally on track! just so you kno...
The car at the following URL is a twin engined Mini and has a number plate and appropiate tax disk displayed in the pictures
http://www.minimania.com/web/SCatago...4/ArticleV.cfm
I personally know a twini-mini which has valid MOT, TAX and insurance and driven on the public highway
Z-Cars actually sell twin engined converted cars
http://www.zcars.org.uk/ultima/index.htm
#30
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Originally Posted by UnseenMenace
Originally Posted by CraigoScott
its illegal to have two engines on and linked at the same time out on the public road, you would only be able to use it legally on track! just so you kno...
The car at the following URL is a twin engined Mini and has a number plate and appropiate tax disk displayed in the pictures
http://www.minimania.com/web/SCatago...4/ArticleV.cfm
I personally know a twini-mini which has valid MOT, TAX and insurance and driven on the public highway
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Can you tell me some details on the other Twin Mini please?
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Originally Posted by Bradz
Im Building a Twin engine 106
at this very moment.
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Do'n forget to put it in the resto section
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my mastes dad had a twin engined renrot 5(europarts)
was wicked fun in a straight line but the handling was a bit
due to weight being everywhere
all depends on wot for track or strip
was wicked fun in a straight line but the handling was a bit
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due to weight being everywhere
all depends on wot for track or strip
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#36
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Originally Posted by BatFink
Can you tell me some details on the other Twin Mini please? ![Big Grin](https://passionford.com/forum/images/smilies/icon_biggrin.gif)
![Big Grin](https://passionford.com/forum/images/smilies/icon_biggrin.gif)
The entire mini range has been twini at some point including the mini moke
http://www.minimarcos.org.uk/altpics/twini.html
The twini has even been documented in manuals
![](http://mk1-performance-conversions.co.uk/images/twinni_cutaway.jpg)
There's even a twini's about that runs 1480cc metro turbo lumps and goes very well
#37
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It's not a case of being a hater - it's simple practical experience.
Why would you want to be different if it doesn't work as well for the purpose intended? Hence my question, what do you intend to use it for?
Obviously it's going to be for you as you own it, but consider this.
If you built a twin RST engined Fiesta for example, and intended to use it solely for track work, would it not be a bit pointless if a single engined car was faster and better handling?
Why would you want to be different if it doesn't work as well for the purpose intended? Hence my question, what do you intend to use it for?
Obviously it's going to be for you as you own it, but consider this.
If you built a twin RST engined Fiesta for example, and intended to use it solely for track work, would it not be a bit pointless if a single engined car was faster and better handling?
#38
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PON/PORKIE:
why do we do anything?
to be different thats why.
pon, your saph was a monster, just a shame it was never finished... that was far from the norm
porkie, your 3dr is certainly not the usual either...
specially that fucking great spec r tank you got in there now lol
my 3dr... its a 1.6GL, im trying to do something different with it... not to everyones taste i know, but fuck it... why be a follower?
why do we do anything?
to be different thats why.
pon, your saph was a monster, just a shame it was never finished... that was far from the norm
porkie, your 3dr is certainly not the usual either...
specially that fucking great spec r tank you got in there now lol
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my 3dr... its a 1.6GL, im trying to do something different with it... not to everyones taste i know, but fuck it... why be a follower?
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#39
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Well the car as it is when i fit the new zetec motor is going to be used on track a few times, however the handeling needs sorthing first, its like cornering with a snaking tralor on the rear
When the winter comes i am concidering putting another engine in the front, just to see what its like. And i will see at this point how it goes and corners etc, then make a descision as to wether i keep it as it is for a while or put the motor into a XR2 or similar and sell it on
Bri.
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When the winter comes i am concidering putting another engine in the front, just to see what its like. And i will see at this point how it goes and corners etc, then make a descision as to wether i keep it as it is for a while or put the motor into a XR2 or similar and sell it on
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#40
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Originally Posted by Charlie Chalk
I havent fully decided what engine to drop in yet?!
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That should get rid of you
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