Hi all,

Finaly done it, cut the front off a Rv8 manual housing, welded it to the front of an Audi transaxle and modified the Audi flywheel to mate to an Rv8 auto ring gear and matching adaptors... phew.

I can now start to plan my bodywork, something like the brabham bt-30 is looking favorite.

I,ll post some pics of the bits and bobs later on in my achive when I have measured and photo'ed.

All nice and locost so far, just the gearbox @ £85 from the breakers.

Regards Mark
Rescued attachment mated_RH_Rear_small.JPG

OOOooooo Twin plenumn, that looks very neat

Regards


Agriv8

Its not the real deal, got two 3.5 tops and blended them together.

To be replaced with two lots of 954 blade throttle bodies in the fullness of time.

Does work well but you need MAP driven ECU (I used megasquirt) to get full advantage.

Regards Mark

running MAp on my V8 on Vems ECU works ok

but the next step is somthing the call Alpha blending ( dont usderstand this yet but looks to work well with single plenum and erm LuMpy CaMMS )

Regards

Agriv8

That looks really good Mark

As a matter of interest, how long is the front of engine to driveshaft measurement? You've got me thinking

I think you'll find the answer is no Raz! You've only juts gotten this one working!

From the centre of the drive shaft to the front of the Rv8 A/C pulley is 37"

But this is a large pulley setup for three belts. You can lose 1" with ease, 2" by replacing the water pump with an Electric one, best endeavours without trying that hard will be 35".

A P6 front end is I believe shorter but I suspect the oil pump housings will all be knackered by now so a range rover front end is the best way to go.

Regard Mark


Here's my doodling for now.

[Edited on 25/7/07 by mark chandler]
Rescued attachment bec_single.jpg

The cam I am running in the block is a 228, got a lovely idle with megasquirt but very easy to stall. Turning on the eletric fans slowed it down and full lock on the power steering stopped it altogether....



Regards Mark

What's the elliptical thing in the middle? Or is it just the yet to be decided middle bit?

Hi Raz,

A couple more measurements for you:

Rear of G/box to Centre CV joint allow 20"
Centre CV to front of Audi Bell housing 9"
1" adaptor to Rv8
Front of Rv8 adaptor to block front 20"
Block front to end of water pump 8"

Si,

The elliptical thing is a 5 second head, body and fat legs !

The seating area is the same as one side of a locost, front bulkhead is in line with centre line of front axles

Total overall dimensions will be very close to my locost, although I will have more overhang on the front with crushable metalwork just in case ......

Regards Mark

Ah, I see now! That should be a bit mental then!

Personally I do not think it will out accelerate my BEC, 130 bhp for 400kg, new buggy 300 bhp 800kg.

Its the challenge of making something, the BEC will have to be sold next year to finance the wheels/tyres brakes etc, ie all the stuff to make it nice, I do like a good finish if possible.

This is the end goal though:



Regards Mark
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Very nice. Looking to make it road legal or track only?

quote:

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Originally posted by DIY Si
I think you'll find the answer is no Raz! You've only juts gotten this one working!

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You've chopped and changed the shell on yours, so why not the chassis as well next time?!

Looks very interesting, nice work getting the transaxle and engine mated up.

To be honest I'd be amazed if it weighs over 600kg when finished, probably closer to 500kg if you're careful. Rover V8 weighs very roughly the same as a pinto IIRC and most pinto 7's seem to come in at 650 ish. You should be able to lose 50-100kg easily over a road car taking everything into account.

I,ll be after SVA and road legal, I have lots of fun in my BEC so will want to repeat this.

Infact since buiding my locost I have only ridden my bike once, these things are such good fun.

Regards Mark

Now that will be interesting coming up in the mirrors

Still should be much less than 800kg IMO

The frame will be a bit heavier than my locost, 1 1/2" tube for main rails to start with, all tubes 16swg, although I could easily make using 1" tube I want more strength.

Body panels to be ali, starting to collect bits to make an english wheel, I have always fancied rolling a bit of ali.

Raz man, have a look at a V6 manual audi, nice stuby engine and no mating complications, infact the V8 may also be very short.

Regards Mark

quote:

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Originally posted by mark chandler
Raz man, have a look at a V6 manual audi, nice stuby engine and no mating complications, infact the V8 may also be very short.

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quote:

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Originally posted by mark chandler
The frame will be a bit heavier than my locost, 1 1/2" tube for main rails to start with, all tubes 16swg, although I could easily make using 1" tube I want more strength.

Body panels to be ali, starting to collect bits to make an english wheel, I have always fancied rolling a bit of ali.

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English wheels do indeed have that I'm really basic so must be easy look to them but will end up being incrediably hard to use.

I,m hoping that most of my panels will be single plane curves so will make some MDF formers to slot around the chassis and just roll the sheet around these.

Next on my list is some cam tensioner pulleys so I can construct a small vice mounted english wheel and have a gentle roll and see how it goes on producing 1/10th panels. I just do not like fibreglass, gets in my hair, sticks to my fingers and smells bad !

Regards Mark

chap in our autograss club had a rather tired looking but extremely effective and great fun car that was made to look vaguely brabham-esque if you squinted at it right!!

It used a VW transporter box with a 4.2 rover lump and one of those noisy things that eaton sell stuck on top

awesome car, biggest problem was the plugs breaking down under boost as I remember, well that and the holley 750 carb turning into a solid block of ice on damp race days at full throttle!!

well that should be suck through then which is strange because most use that holley on blowthrough, which has 2 big advantages
1 no freezing of the venturi
2 a little chargecooling effect of the fuel vaporising under hot intake temp

more importand, how much torque did it make?
and what was done to the gearbox to keep up with that torque?

Grtz Thomas

Mark, you should be under 500kg my 2 seater road legal Riot with Rover lump and renault box weighs in at 509kg. If you want to shorten the front end of the rover block the old P6 pulley arrangement is a straight fit on to the RR front cover and saves a few inches. Also the water pump can be milled off and a stub pipe fitted with a remote electric water pump. My setup doing this is only 7" longer than a ford transverse setup.