bignum Posted July 1, 2008 Share Posted July 1, 2008 Just watched this, thought it would be good info for people that aint seen it.http://www.youtube.com/watch?v=PA5T5PnWE-k Quote Link to comment Share on other sites More sharing options...
bignum Posted July 1, 2008 Author Share Posted July 1, 2008 More education:d, this time rebuilding a non dbb turbo, quite good apart from i thought they had to be balanced, watch it anyway,http://www.youtube.com/watch?v=I2CwBwrdnvA Quote Link to comment Share on other sites More sharing options...
uk-rich Posted July 1, 2008 Share Posted July 1, 2008 where is the bloody sound ! Quote Link to comment Share on other sites More sharing options...
miko_supra Posted July 1, 2008 Share Posted July 1, 2008 first video is interesting, thanks! Quote Link to comment Share on other sites More sharing options...
Nic Posted July 1, 2008 Share Posted July 1, 2008 That is a good explanation of how a wastegate works for n00bs, can a mod add the video into FAQ section for reference. It also explains why the stock J-spec wastegate is too small to cope when the cats are removed, so would be worth adding to the BPU FAQ thread. Quote Link to comment Share on other sites More sharing options...
Sandy-m2 Posted July 1, 2008 Share Posted July 1, 2008 good find Quote Link to comment Share on other sites More sharing options...
Sandy-m2 Posted July 1, 2008 Share Posted July 1, 2008 It also explains why the stock J-spec wastegate is too small to cope when the cats are removed, so would be worth adding to the BPU FAQ thread. So what is the recommendation to get around this? Thanks S Quote Link to comment Share on other sites More sharing options...
michael Posted July 1, 2008 Share Posted July 1, 2008 Very interesting, thanks for posting. Quote Link to comment Share on other sites More sharing options...
AndyT Posted July 1, 2008 Share Posted July 1, 2008 (edited) That is a good explanation of how a wastegate works for n00bs, can a mod add the video into FAQ section for reference. It also explains why the stock J-spec wastegate is too small to cope when the cats are removed, so would be worth adding to the BPU FAQ thread. That's the first I've heard that. Don't think I've seen too many bpu specs saying bigger wastegate fitted. What would be a cost effective solution to this Nic? Don't believe I asked that. Ignore me. Edited July 1, 2008 by AndyT (see edit history) Quote Link to comment Share on other sites More sharing options...
Nic Posted July 1, 2008 Share Posted July 1, 2008 (edited) So what is the recommendation to get around this? The easiest/cheapest solution is to fit a restrictor ring in the exhaust to limit the flow, although this is far from ideal. The ideal, yet more expensive solution would be to machine out the wastegate opening and fit a new valve. The problem with this is that there is very little material around the wastegate opening to be able to open it out much wider. I have a seen a number of standard (unmachined) turbos with cracks between the wastegate opening and turbine opening, machining the wastegate opening will only make the area weaker and more susceptible to cracking. Edited July 1, 2008 by Nic (see edit history) Quote Link to comment Share on other sites More sharing options...
lexsum Posted July 1, 2008 Share Posted July 1, 2008 good vid - but there is no need for the annoying back track booming out (perhaps it is for the pimp me ride generation who can't understand words without the boomin background?!) Quote Link to comment Share on other sites More sharing options...
bignum Posted July 1, 2008 Author Share Posted July 1, 2008 Hell i never even noticed, to busy concentrating on what he was talking about. Quote Link to comment Share on other sites More sharing options...
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