wydraz
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| posted on 24/11/08 at 07:49 PM |
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1.9TDI VW (VAG) engine in an MK Indy?
Hi guys,
Your thoughts on this? Would the VAG 1.9TDI 170bhp diesel be a good choice in an MK Indy?
I have a Skoda Fabia vRS as my everyday car with the 130bhp version and it really shifts!
Thanks,
Dan
[Edited on 24/11/08 by wydraz]
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Mark G
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| posted on 24/11/08 at 07:52 PM |
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Diesel's tend to be really torquey which makes them go well in a tintop. An Indy weighs much less and needs less torque but more power.
I'd guess that you'd have trouble getting the power down without wheel spinning as there's not much weight over the driven wheels.
Also, as soon as you do get some power you'd be changing gear pretty soon after anyway.
I'm sure it'd be quick but petrol power seems to be the way to go for a performance kit car.
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Simon
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| posted on 24/11/08 at 07:56 PM |
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It might be a bit noisy and you'd really need a rear exit exhaust for that reason, but if you don't mind that then I reckon go for it
Getting a nice low ratio final drive will be the key to a sensible driving experience and reduce the effective torque at the rear wheels.
I'd be tempted to chuck a diesel in mine
Keep us posted!
ATB
Simon
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speedyxjs
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| posted on 24/11/08 at 08:02 PM |
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I cant remember who it is but someone on here has made a rear exit exhaust for his car. Looks pretty good too 
How long can i resist the temptation to drop a V8 in?
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mookaloid
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| posted on 24/11/08 at 08:03 PM |
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Better off with the 265bhp petrol turbo...
"That thing you're thinking - it wont be that."
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Shilvers
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| posted on 24/11/08 at 08:15 PM |
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Aren't oil burners  supposed to be a bit heavier then their petrol counterparts?
Might need to spend a view quid on the handling and even then I dunno what it would be like. Anyone know what they weigh in at?
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Shilvers
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| posted on 24/11/08 at 08:19 PM |
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http://www.haywood-sullivan.com/vanagon/TDI/tdi_specs_en.pdf
135kg dry
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hobbsy
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| posted on 24/11/08 at 08:33 PM |
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A bloke called Crispin ??? in Practical Performance Car was building one up that he won in a competition ran by the mag. Not been many updates
recently.
I think he was supposed to do it inside a year but I think its been longer than that.
Had problems etc. Sounds like a typical build!
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nick205
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| posted on 24/11/08 at 08:34 PM |
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VAG 1.9 TDIs were 130 and 150bhp (had the 150bhp Leon cracking car all round). Tuneable for more though.
VAG 2.0 TDIs are 140 and 170bhp also tuneable for more if required.
As above, IMHO turbo diesel engine characteristics are not suited to 7's, but ideal for tintops and everyday motoring.
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coozer
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| posted on 24/11/08 at 08:37 PM |
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I reckon if you can get suitable gearing, ie 3.14 diff, low ratio gearbox the torque will make a 7 fly.
You know what it feels like in your tintop so imagine it in a lightweight car with the gearing to match.
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dinosaurjuice
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| posted on 24/11/08 at 08:37 PM |
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my kitcars a diesel...
ford 2.0 tdci 136bhp completely standard.
fairly quiet and very little exhaust noise - vgt turbo takes a lot of the noise away.
my only advice would be to go the mid engine route and make use of the original gearbox. i struggled to find a rwd gearbox that was cheap and could
take the torque and have descent ratios. also keeps the back end heavy to make use of the massive torque!
the 1.9 vag units are easier to wire up than the ford/peugeut tdci/hdi units but not quite as refined and quiet. however, having wired up mine, i
would probably use a vag next time.
MY DERV BEAST
ATB
Will
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daviep
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| posted on 24/11/08 at 08:41 PM |
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quote:
Originally posted by Mark G
Diesel's tend to be really torquey which makes them go well in a tintop. An Indy weighs much less and needs less torque but more power.
Smells like verbal diahorrea to me!!!!!!!!!!
Torque is a variable factor in the equation for working out horsepower (2Pi X N x T)/33000 where N is the number of revs and T is torque.
An increase in horsepower can only be accomplished by increasing torque or increasing the revs at which at which the torque is developed.
You would also want a high ratio axle
Cheers
Davie
motto: back to basics
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turboben
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| posted on 24/11/08 at 09:16 PM |
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Can't help but think a petrol turbo would be better at everything apart from economy. I dont care about mpg in my kit car!
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adam1985
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| posted on 24/11/08 at 09:35 PM |
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even in tintops diesils are good but they just dont compare to a petrosl in performance so why would you bother with one in a kit car when that is the
main idea of one
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Simon
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| posted on 24/11/08 at 11:30 PM |
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quote:
Originally posted by daviep
You would also want a high ratio axle
Cheers
Davie
motto: back to basics
No, like I said, a low ratio. I have a 2.28:1 (from a BMW 330 DIESEL) which I'll be putting in mine which is a low ratio, to replace the 3.92
(high ratio) from PETROL Sierra
ATB
Simon
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it_cud
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| posted on 17/12/08 at 06:34 PM |
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Well done dinosaurjuice,why don't we see more diesel motors ? I'm Just about to swap a screaming 8v VX motor for a 1.7 TD Isuzu in my
Westfield. Engine choice was governed by two factors. Firstly, It mates straight onto my Manta box, handy eh ? an secondly it's purely
mechanical. Basically a wire to the fuel shut off and that's it ! How did you find sorting out the Ford wiring ? Really fancy a performance
motor in mine,but I'll see how this goes first.
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dinosaurjuice
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| posted on 18/12/08 at 08:18 PM |
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The wiring for mine was hurrendous. im fairly competant with electrics and electronics but i still struggled.
I didnt build my rocket to be outrageously fast, i wanted it to be a complete hoot to drive. and it is!!
the 1.7 isuzu is a strong lump. keep us posted with how it turns out.
ATB will
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it_cud
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| posted on 20/12/08 at 01:39 AM |
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Hi, I surely will do. I realise my choice of motor won't come close to the performance of a modern ' performance ' Diesel, but got
to be worth a try ? Keep your wiring notes, I may need them at some point.
Mike.
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