Yes I had cat damage to the front cat/s during a track day. Thankfully my car came with the Euro 4 bolt manifolds and not the US 2 bolt ones, so the front cats are not part of the manifold. Replaced the front section with Larini version, which uses a sports cat, reduces the number of cats and provides better exhaust flow. It got rid of the rattle and opened up the performance. Should always have come with this set up. Later I added other Larini sections to have a complete set.When I search on cat failures I find physical (road) damage or high cat temperatures due to modifications. I'd like to hear from someone who has had a cat failure in a stock 4200 engine without road damage to the cats. Just a question because I, and probably many others, have stock engines.
Around 15 years ago during its previous ownership, my car had a RH cat failure. The exhaust was completely standard and there was no visible sign of any external impact damage to the cat.Zep,
A quick search on Google will give you info on manifold design. The Maserati manifold is designed to maximise torque...long, thin runners. Put another way, why do manufacturers make variable intake engines?
When I search on cat failures I find physical (road) damage or high cat temperatures due to modifications. I'd like to hear from someone who has had a cat failure in a stock 4200 engine without road damage to the cats. Just a question because I, and probably many others, have stock engines.
You're right I'm not a fan of exhaust mods, but readers of this forum would be well served to hear some facts.
Wet sanding by hand with 2500 grit + two stage machine polish.Excellent work! Was that 3000 grit? By machine or hand?
Thanks
Wow, that's very brave, I have a few small scratches that I think would come out with a wet sand, as opposed to a respray, but I am chickening out of doing it myself at the moment.I've started preparation for ceramic coating today. The roof needed some wet sanding and two stage machine polish. Rest of the car should do with just two stage polish.View attachment 84870
Can you tell the difference between the bad and good side?
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And the finished product. Mirror
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I've done that before with my TVR after respray, pretty much the whole car but back then I knew how many costs of clear coat there wasWow, that's very brave, I have a few small scratches that I think would come out with a wet sand, as opposed to a respray, but I am chickening out of doing it myself at the moment.
Now that is street presence.I've done that before with my TVR after respray, pretty much the whole car but back then I knew how many costs of clear coat there wasView attachment 84926
And the results speak for themselves I think
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Who's Ken Dood?Well done, that looks fantastic!!...............Are you Ken Dodd??!!
Ken Dude?Who's Ken Dood?
A french flag draped over a toilet brush? Clearly this was the catalyst for brexit right here....A British Comedian famous for always carrying around a 'Tickling Stick' a bit like you are holding!
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Magnificent. Reminds me of the VG GS Spyder sold by McGrath last year... Lovely looking machine.It took me a little bit longer than expected but polishing is finally finished. Now ceramic coating application.
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Lukatar
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So that is how Goodwood Verde looks like
His dad's dogs dead you knowWell done, that looks fantastic!!...............Are you Ken Dodd??!!
His dad's dogs dead you know