JimAttrill Posted March 24, 2007 Share Posted March 24, 2007 We have just transplanted a 300tdi ex Disco into a Defender which had a 19J diesel turbo engine. Anyway, we eventually started it with no exhaust at all and it was remarkably quiet. Sounds nice, in fact, because you can hear the turbo whistling. Goes like a bomb. This has convinced me more than ever to have at least my centre silencer removed in order to reduce back pressure in the system. Or maybe remove both. This was a good demonstration of how much power and therefore noise the turbo removes from the system. A while back we ran a 200tdi with no turbo and that was noisy. Believe it or not, the 19J is going into the Disco which is to have the top chopped off and become a 'play' machine. Quote Link to comment Share on other sites More sharing options...
white90 Posted March 24, 2007 Share Posted March 24, 2007 I guess you had the down pipe in place though? as I drove my defender with absolutely no exhaust once and it was : loud and flat with no power at all. now I have 1 straight through silencer and it is perfectly quiet for any journey. Quote Link to comment Share on other sites More sharing options...
JimAttrill Posted March 24, 2007 Author Share Posted March 24, 2007 No, not even a down pipe as none of the stuff fits yet. It was not quiet, just quieter than I expected. Quote Link to comment Share on other sites More sharing options...
Les Henson Posted March 27, 2007 Share Posted March 27, 2007 Catflap originally had a straight through pipe on it. I later fitted a rear silencer off a disco just to keep the noise down at higher revs. Les. Quote Link to comment Share on other sites More sharing options...
Abe Posted April 3, 2007 Share Posted April 3, 2007 did the same thing too recently changed the exaust system on the 300tdi (disco transplant too) just used a defender middle box and pipe running aft to a exit just left of the Rear tow hook cut the Cat out of the system & put the non cat - midle box pipe - What a difference the motor is far more responsive and far easier to drive - no black smoke prior to fitting the new system on I ran it withouf the system and was also suprised on how quite the motor was happy trails Abe Quote Link to comment Share on other sites More sharing options...
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