Caterham IRS – Conversion for S3 and SV

[Vovchandr]

Not a lot of talks about this.

 

I don't have any interest but was curious what the brilliant and experienced minds here think

 

https://meteormotorsport.com/caterham/caterham-irs/

 

The cost of this conversion is £5950.00 + vat  However for the first 10 conversions we are reducing this price to just £4950.00 + vat.   Interest in this conversion is high so be quick!

 

 

Although we remove a very small section of the lower chassis rail that in the standard car attaches to the lower basket this could be reversed in the future if wanted very easily.

We prefabricate a rear “basket”, wishbones and upright which is then welded onto the rear bulkhead.

Our target for the conversion is 2 weeks.

The iRS makes for vastly improved road manners, particularly over sharp high speed surfaces.  Of course, there is still a “bump” – these are small lightweight cars after all but the harsh sharp edge that we all “brace” for is removed.

 

 

 

 

I know members like Croc had the ability to experience both CSR and DeDion over and over back to back on track. Small caveat is that CSR also has inboard fronts which also change the handling further besides the rear being IRS. With that said I don't think anybody here had experienced IRS in an S3 because that was never factory offered.

 

 

[IamScotticus]

is there a price for the parts kit for DIY,

[Bartman]

I talked to Simon Rogers about this kit when we met up at the Rolex 24hr. There is a jig he has that is used to correctly make the cuts to the existing frame in order to weld on the basket. I don't think he has any plans to make it available as a DIY. If interested its worth a call to him at Meteor Motorsports though.

[MV8]

Imho, the conversion design, upright fab, and component choices look very good. I would have used two plates instead of all those ribs around the hub to weld but I like it otherwise.

 

One could probably buy an irs repair section of frame and associated parts from CAT to convert for less $.