New Build R400 SV Question - Am I being an idiot?

[andrew_r]

I am nearing the finish of my R400 SV build and I thought I would fit the rear wheel arches and exhaust silencer.

 

Wheel arches all fitted OK.

 

I thought I would fit the exhaust. I then realised despite the manual that the exhaust needs to be fitted first. I then removed the wheel arch and tried to fit the exhaust.

 

The exhaust as an assembly appears to be 1.5 inches too long, so I can't fit the rear bracket and if I could it would hit the wheelarch.

 

The headers are nice and central in the hole. The cat is pulled up tight to the headers and the silencer is tight to the cat - but it's still too long.

 

I can email photos if anyone wants a look, don't know how to attach them here.

 

Am I missing something or being stupid - surely I can't have an incorrect part ??? I have an SV - is a CSR assembly longer?

 

I am feeling I may have a CSR repackable silencer. Can anyone supply dimensions of the cat and silencer for a CSR and R400 SV Duratec. I may be able to compare.

 

I have even had the assembly polished :-(

 

Thanks in advance.

 

Regards

Andrew

 

Edited by - andrew_r on 29 Dec 2009 14:21:37

[Tony Whitley]

"surely I can't have an incorrect part ???" Oh no, that's very unlikely 😬 I think Ian W had a similar problem with his Roadsport SV. I know Caterham sent him some wrong parts.

[Dickie Normuss]

You should be able to remove/refit a silencer without removing the rear wing so I would guess you've been sent something that's too long

 

VX HPC - Loud and proud here

Adding power makes you faster on the straights. Subtracting weight makes you faster everywhere

[IanW]

As Tony has mentioned, I had the same problem. The original part supplied by Caterham was too long (although the diameter of this part was small enough for the black guard). I arranged a replacement (picked up from Brands Hatch during an experience day) but that was too long as well. I eventually let Caterham fit the correct part when they took the car back for the post build check. The diameter of the new part is too great for the guard, but the surface temperature isn't that great, even after a long run, so no problems with burnt legs when exiting the car . Here's a picture for reference.

My car is a Roadsport SV with the 2.0L 175 Duratech engine.

 

Regards, Ian.

 

Edited by - IanW on 29 Dec 2009 17:32:54

[andrew_r]

Ian,

 

thanks. Any chance you could provide the various measurements for the exhaust you current have fitted. Would be good to compare to my dimensions.

 

Thanks

Andrew

[Chris__]

Nothing to add to this thread particularly, other than add the Jenveys just for the noise, sod the power.

 

Ian, your cars colour scheme is fantastic. JPS 🥰

[andrew_r]

Chris,

 

yes, I have gone the Jenvey route. Didn't fancy the plenum.

 

Regards

Andrew

[Chris__]

I'll eventually succumb to them again and fit them on my Supersport. Loved the ITB noise on my old SLR. Enjoy.

[IanW]

Andrew,

 

My silencer box is 63cm long with a diameter of 18cm. The front tube is about 6.5cm long and the rear extends a maximum of 14 cm from the end of the silencer.

 

Hope this helps.

 

 

Regards, Ian.

[andrew_r]

Thanks Ian, I'll measure mine when I get home.

 

Regards

Andrew

[Andy Green]

I am next to J17 on the M4 if you want to look at mine.

 

I have a R400 SV that was delivered in Feb 09 as a kiy and on the road in May.

[andrew_r]

Spoke to Caterham. New silencer on it's way. Thanks all for your help.

 

Regards

Andrew