john milner Posted February 23, 2021 Share Posted February 23, 2021 2003 SV 1.8 K Series.I have a 4-2-1 competition exhaust with separate cat that came with the car. Pretty sure the system is Cheesman/Caterham. The rear of the silencer is fixed with a bobbin and the front connects to the cat which hangs off the primaries. I have just had my second case of weld and metal fatigue causing a leak. I understand that some owners make use of a centre bracket somewhere near the cat to relieve some of the weight.Advice is wanted on where is the mounting hole, thread size, what does a bracket look like and can brackets be bought or do I have to make one? Link to comment Share on other sites More sharing options...
Paul Deslandes Posted February 23, 2021 Share Posted February 23, 2021 Johnthere is a description of how to find the hole using a magnet and a picture of the bracket on the thread belowhttps://www.lotus7.club/forum/techtalk/drilling-fitting-front-exhaust-mount-k-series?page=2and following pages. Sorry but can't help re thread.Paul Link to comment Share on other sites More sharing options...
SM25T Posted February 23, 2021 Share Posted February 23, 2021 Approx 803-805mm from the centre of the rear bolt hole. Drill a small pilot hole first then open out in right direction. Same bracket as rear for me. Link to comment Share on other sites More sharing options...
john milner Posted February 23, 2021 Author Share Posted February 23, 2021 Thanks. I remember there being a few posts on this but I couldn't find any. I think there is enough in that thread to locate the hole and there is also mention of it being the same bolt as the rear. I think I now just need some help with how to get the bracket attached to the exhaust. Link to comment Share on other sites More sharing options...
john milner Posted February 23, 2021 Author Share Posted February 23, 2021 How did you get the bracket to connect to the exhaust? The rear of the silencer has a lug welded to it but the front has nothing that I can see. Link to comment Share on other sites More sharing options...
john milner Posted February 23, 2021 Author Share Posted February 23, 2021 Just noticed that the reply numbers are still broken. My first was to Paul and second was to SM25T regardless of what the screen says. Link to comment Share on other sites More sharing options...
SM25T Posted February 23, 2021 Share Posted February 23, 2021 PowerSpeed made me a new system and incorporated the bracket on it. You need someone to weld you a suitable bit of stainless to carry a bobbin. Link to comment Share on other sites More sharing options...
Paul Deslandes Posted February 23, 2021 Share Posted February 23, 2021 My exhaust is a PowerSpeed too but on a Vx 2.0 litre. Front and rear brackets are welded on and each comprise two straps, top and bottom, for strength.This is the front bracket.Hope it helps a bit. Sorry, it needs rotating anti clockwise.Paul Link to comment Share on other sites More sharing options...
John Vine Posted February 24, 2021 Share Posted February 24, 2021 Here you are, sir:JV Link to comment Share on other sites More sharing options...
john milner Posted February 24, 2021 Author Share Posted February 24, 2021 Thanks that saved a bit of neck ache and has given some inspiration.It probably has a proper name but I have obtained a ring thingy that is a perfect fit for the pipe with a lug on the side that I am hoping to use. My next step is to get what I have in place and see if there is a gap that needs to be filled with something. Link to comment Share on other sites More sharing options...
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