57 replies to this topic

[Kieran McC]

Most of the racing Elieses dont have Servo or ABS

[JimmyJamJerusalem]

any idea how they bias their brakes?

[Kieran McC]

I am  sure they use a bias valve AP type , I will ask my mate who races in the Lotus Cup

[JimmyJamJerusalem]

I am  sure they use a bias valve AP type , I will ask my mate who races in the Lotus Cup

 

Cool, cheers

[Arno]

Most of the racing Elieses dont have Servo or ABS

 

None of the pre-Toyota engined Elises have servo's or ABS..

 

That only came in after 2004 when the first Toyota (2zz) powered S2 Elises came onto the market.

 

All (Rover) powered cars before that have used un-assisted brakes without ABS. It's what the car was designed for.

 

Bye, Arno.

[JohnTurbo]

Just had a quck eliminate of the airbag light (no seatbelts fitted) thanks to your info Jimmy. Useful trailblazing!

[Bargi]

Most of the racing Elieses dont have Servo or ABS

  None of the pre-Toyota engined Elises have servo's or ABS..   That only came in after 2004 when the first Toyota (2zz) powered S2 Elises came onto the market.   All (Rover) powered cars before that have used un-assisted brakes without ABS. It's what the car was designed for.   Bye, Arno.

Was the servo added and Is the master cylinder and rest of the system stay the same?

[JohnTurbo]

I doubt it very much. Youd want a much smaller bore MC.

[Arno]

Was the servo added and Is the master cylinder and rest of the system stay the same?

 

 

Different MC was installed together with the servo and ABS.. Guess which one.. Correct! From the VX/Europa (which, as far as I know is the same as an Audi A3 MC?)

 

And after 2006 or so they also dropped the original extruded Elise pedals and went to VX style steel pedals as the pivot point for the brake pedal was less than optimal on the original pedals for the servo'd setup (it gave rather a large stroke and 'dead' range).

 

As far as I know is the non-assisted master cylinder on the Elise a 3/4"/19mm bore dual chamber (straight bore)  cylinder. Don't know the MC size as used on the servo'd cars or the VX..

 

Bye, Arno.

[JimmyJamJerusalem]

Just had a quck eliminate of the airbag light (no seatbelts fitted) thanks to your info Jimmy. Useful trailblazing!

Happy to help, I've had so many smart ass comments in this thread branding it useless so I feel partly vindicated

[Bargi]

 

Was the servo added and Is the master cylinder and rest of the system stay the same?

 

 

Different MC was installed together with the servo and ABS.. Guess which one.. Correct! From the VX/Europa (which, as far as I know is the same as an Audi A3 MC?)

 

And after 2006 or so they also dropped the original extruded Elise pedals and went to VX style steel pedals as the pivot point for the brake pedal was less than optimal on the original pedals for the servo'd setup (it gave rather a large stroke and 'dead' range).

 

As far as I know is the non-assisted master cylinder on the Elise a 3/4"/19mm bore dual chamber (straight bore)  cylinder. Don't know the MC size as used on the servo'd cars or the VX..

 

Bye, Arno.

 

 

OK, I've guess I've been thinking, delete the servo but don't change anything else it's not going to match up very well.

Google VX220 master cylinder bore and found this on the first hit, so all good if you've gone bigger brakes all round.

 

 

 

Has Hofmanns thought about designing a better servo?

I think I'll leave servo design for the OEM's! This is a race part, servo is dead wait and completely unnecessary if you aren't running ABS. FYI, the OE ABS master cylinder actually has a slightly bigger bore size than the motorsport one and works brilliantly with 4 pot front calipers and 2 pot rears.

 

[slindborg]

So is there a need /market however small to need an abs to speedo interface unit? And also maybe a device that emulates the airbag and abs warning light requirements?

[mark moyz]

My MOT has run out and I have an airbag light permanently on, I was told this was because of the 340r seats and the seatbelts being removed so this sounds easier than trying to source seatbelts.

[Goosenka]

Find your nearest friendly MOT tester

[Arno]

So is there a need /market however small to need an abs to speedo interface unit?

 

That one is very simple...

 

http://jbperf.com/dual_VR/v2_1.html

 

Power, ground and signal from one of the hubs in, output pulse signal to ECU/dash out..

 

Done!

 

Bye, Arno.

[slindborg]

Fifty dollars...... fcuk me

[rueda]

It seems a picture of JimmyJamJerusalemha disappeared. He explain how to remove the ABS light, but not the airbag one. Does anyone have the solution ?

[martinroger]

It seems a picture of JimmyJamJerusalemha disappeared. He explain how to remove the ABS light, but not the airbag one. Does anyone have the solution ?

Same approach, but pin B.04 instead of B.12