E36 compact tarmac car

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Re: E36 compact tarmac car

Postby Adam Gardner » Sat Jul 19, 2014 6:56 pm

good progress being made!
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Re: E36 compact tarmac car

Postby lahondal » Tue Jul 29, 2014 11:31 pm

Hi all.

Just tried the car this afternoon, and have a few issues with the steering.

As you know the column was chopped and i have fitted a steering 2:1 multiplier.

Now the feel going sideways is lovely and the return to straight line is far far more easy, but the steer effort was multiplied x2! Its like a non-PAS car now.

Is there any mod (apart from my arms), to make the steering more lighter?

Thanks!
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Re: E36 compact tarmac car

Postby bruvs1 » Wed Jul 30, 2014 7:57 pm

Yes, take it off and put up with 2.7 lock to lock!! Or try electric pump? Merc A class.?
http://www.bruvsmotorworks.co.uk 320is, 330is rallying!
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Re: E36 compact tarmac car

Postby lahondal » Wed Jul 30, 2014 9:04 pm

Now i have 1.6 turns lock to lock, so add 1 turn will be an option when all other options are down.

What about adding a shim below the relief valve spring? Will more pressure raise the assistance?

Thanks!
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Re: E36 compact tarmac car

Postby bruvs1 » Wed Jul 30, 2014 9:50 pm

Try it :-)
http://www.bruvsmotorworks.co.uk 320is, 330is rallying!
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Re: E36 compact tarmac car

Postby lahondal » Thu Jul 31, 2014 12:23 am

Well..this night i have noticed a strange symptom...

With the car jacked up, turn the wheel from lock to lock two times and the steering become sooo soft.

Then, turn on the engine, and with the car still in the air, the effort needed to turn the wheel raises a lot.

Then i take the car to the floor and turning raises a bit more, but only a tiny bit, nearly the same stifness than the car in the air.

I dont know what to think...
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Re: E36 compact tarmac car

Postby gartrac » Thu Jul 31, 2014 5:49 am

My guess is that the 2:1 multiplier has doubled the ratio but halved the torque, that's how a power steering rack works by torque or twisting motion

So now you have to put twice the effort on the steering wheel to get the power steering working as it should, result heavy steering

I don't think that raising the pressure will work, your problem is in the valve block on the rack not allowing the oil pressure through

Sellholm can supply a high ratio steering rack they manufacture 2 versions listed as 1 turn equals 61mm movement or 1 turn equals 73mm movement
you would have to work that out as a ratio yourself

I find their website hard work because I don't speak the language but if you are interested

Website http://www.sellholm.se

Steering racks listed as "Styrväxlar" then "BMW E36, E46 ZF kortslagig modifierad för div. 1 Rallycross" not cheap 12425 SEK = £1066.83

Contact sellholm@telia.com they do speak English

These racks are not an option for the UK as they are LHD unless you are running a LHD car

Peter
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Re: E36 compact tarmac car

Postby bruvs1 » Thu Jul 31, 2014 8:01 am

We run a sellholm 2.5 power rack on the 320is, very good :-)
http://www.bruvsmotorworks.co.uk 320is, 330is rallying!
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Re: E36 compact tarmac car

Postby lahondal » Thu Jul 31, 2014 12:22 pm

What sort of money we are talking?
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Re: E36 compact tarmac car

Postby the-dane » Thu Jul 31, 2014 4:21 pm

If some body need's a translation of swedish i can help you, i'am born in sweden ....
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Re: E36 compact tarmac car

Postby gartrac » Thu Jul 31, 2014 7:22 pm

lahondal wrote:What sort of money we are talking?


12425 SEK which is Swedish Krona = £1066.83 GB pounds or 1345.55 Euro

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Re: E36 compact tarmac car

Postby lahondal » Fri Aug 01, 2014 1:41 pm

Sorry gartrac i missed yout previous post.

1300euro is too much for spending on a steering rack, i have tons of other bits that i need to upgrade with that money.

I did a little search on the net and it seems that the stock pump of my M42 give 90bar of pressure, and the e46 pumps give 120-130bar as a base.

It seems too that upgrading the relief valve spring is nothing to do with steering lightness, because it only works when the pressure its too hich, like when we hit the locks.

I´ll post the results.
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Re: E36 compact tarmac car

Postby lahondal » Sun Aug 10, 2014 9:50 pm

More progress!

Lights control panel, and fuses.

Image

Finished dashboard and seats fitted.

Image

The rear needs some work...

Image

And new wheels!!

Image

Thanks!
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Re: E36 compact tarmac car

Postby gartrac » Mon Aug 11, 2014 3:32 am

Looking Great Larry

Nearly there

Peter
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Re: E36 compact tarmac car

Postby lahondal » Thu Aug 21, 2014 10:17 pm

New windows!

Image

Do you think is possible the 1000kg mark?

Thanks!
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