I read in some MG/ROVER enthusiastias web forums that removing the cat will result in more power for my 45 TD.
Now I am not an enthusiast as such, just trying to drive carefully and conserve as much Diesel as I can.
My question is to anyone who knows or used a De-cat pipe : is it worth the £40 asked for the De-cat pipe and fitting, will I get a much better ride or is this just a gaining of few BHP at the top end rev which I don't normally use?
{Car details since added to header - DD}
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The car will presumably fail the MoT.
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>>The car will presumably fail the MoT.
As long as it still meets the non-DPF particulates specs; then no.
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But you may invalidate the insurance.
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The car will presumably fail the MoT.
I thought a cat convertor wasn't necessary for a diesel MOT? Presumably a Rover 45 TD means turbo diesel?
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By removing the cat you WILL invalidate your insurance unless you declare it.
The car may need a cat to meet the diesel emissions test. Depends on the year of manufacture and the tolerances I would guess.
Personally it seems a stooooopid idea.... after all a Rover diesel is never going to go MUCH faster without a cat...
madf
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Removing an oxidation catylist on a diesel will not influence the MOT test - it's just a smoke test and catylists have no effect on smoke.
By all means remove the catylist if it's blocked but unless it's causing significant exhaust back pressure which, amongst other things will degrade turbocharger turbine performance, you're unlikely to see much difference.
If removing the catylist is your chosen course of action, just tell your insurance company to be on the safe side. I very much doubt if they will be much concerned about it.
659.
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I read in some MG/ROVER enthusiasts web forums that removing the cat will result in more power for my 45 TD.
Go visit this site for all the info on tuning the L Series diesel as fitted to the R45. This guy is an acknowledge guru amongst the MG Rover fraternity.
tuning-diesels.com/Lseries/2545.htm
BTW a standard R45 with the 113PS engine officially does 0-60 in 9.8 secs and 50ish mpg on the combined cycle. Not bad for an old technology direct injection diesel engine.
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Rather than remove the cat, you could gut it with a long bar and a lot of shaking. Still physically present so no insurance worry.
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I did this on my slightly older `97 420td,i found that after i could go through the local villages in top at 30mph and when getting to the unrestricted section just put my foot down and i`m off.
It also made the car more driveable, the turbo starts boosting at 1500ish rpm where as before it took 2000rpm to feel any pull,which means i was in top gear a lot earlier and i ended up with up to 55mpg.
Ray
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