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8 & 10 cyl Bristol cars Type 407 onwards - restoration, repair, maintenance etc |
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![]() I wondered if anyone in the Australian group had experience of getting a new exhaust system for a 409 made. Apart from getting the factory items from BCL with the inevitable shipping costs, the currenet solution seems to be to get a "local" firm to make something to fit.
That is what appears to be fitted at present, resulting in smaller silencers being fitted, plus " burble' boxes in the front pipe section. Am I correct in thinking that the original boxes were probably made by Burgess or Servais? "Straight through" construction with concentric inlet and outlet? Box length about 24'' each? Thanks for any help Mike 0 |
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![]() Mike, realistically I think a custom job is the only economically viable solution in Australia. Those "burble boxes" in the front sections were also on my 411, I think they were originally fitted to the cars.
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![]() I couldn't sleep tonight, hence this e-mail.
Isn't it amazing that car manufacturers don't fit proper (type 304) stainless steel exhaust systems themselves? It would maybe cost them about USD 15 more initially, but they would last well beyond any of our lifetimes. Not to mention the hose clips, etc.. Am I mad? Andrew Knox. |
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![]() Well writing emails won't help!
![]() The only negative I have experienced with a SS exhaust is a rather tinny sound (on an Aston DB4), but maybe that was a design issue. I suppose car manufacturers could improve every part of their cars by throwing a few more dollars at them, but their goal is usually to reduce the cost of manufacture rather than increase it, and they probably don't really care, providing the parts last longer than the warranty period. In fact the way some parts are made nowadays you could be forgiven for thinking they were designed to fail! |
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![]() Yes Kevin, I think that will be the way to go, but I'll leave the small
front boxes in as those and the down pipes are in good condition. I would the car be quieter than noisy! Mike O |
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![]() You're absolutely right Kevin, but thereafter I slept like a log.
The tinny sound on your Aston was probably caused by the supplier using the wrong type of Stainless Steel. Thin gauge in the wrong type can even be brittle on impact. P.D.Gough's in Watnell, near Nottingham in the UK, make very good reproductions in thicker, ductile types of SS. By ductile I mean you can hit it with a hammer and it will just dent. Car manufacturers of course don't care initially about how long parts will last, but would you choose to buy a 10 year old second hand Fiat, rather than a Saab? I do believe that manufacturers of anything that contains a "chip" design them to fail on a pre-determined date, after the power has been turned on.That includes washing machines etc.. I now own my fourth AIO printer, having only paid for the first one. Believe it or not, the failure appears to be programmed into the ink cartridges. Can anyone confirm this? Maybe I am going mad! With best regards, Andrew. |
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![]() Quote:
Claude |
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![]() Hi Mike,
My 407 has a stailess steel system made locally in England at reasonable cost and this seems to be the way many owners have gone. The actual manifolds are still original. ( they are difficult to come by) Nick |