Twin turbo'd cossies
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Would be interested if anyone had some info on this. Would 2 small turbo's be as good as 1 big turbo so there was as little lag as possible.
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The AVA one was more compound charged than normal twin turbo.
Turbosystems did a sequential sort of style twin turbo setup IIRC.
Prism i think did a "normal" twins setup i think?
And seen at least 1 normal twins setup from abroad too.
Pointless though in non sequential (ie "normal") form, offer no advantage at all over a decent split pulse manifold n turbo, and plenty of disadvantages.
Turbosystems did a sequential sort of style twin turbo setup IIRC.
Prism i think did a "normal" twins setup i think?
And seen at least 1 normal twins setup from abroad too.
Pointless though in non sequential (ie "normal") form, offer no advantage at all over a decent split pulse manifold n turbo, and plenty of disadvantages.
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IIRC Turbo Technics did one in the mid 90's using two T25's and a split manifold with an actuated valve in the middle that opened up at a set boost level to supply exhaust to both turbos from all four cylinders. I remember the article said that there was very little lag. I suppose with turbo technology moving on somewhat there'd be no point now in doing it ???
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Originally Posted by XRT_si
Trying to get my head round that have you got any more pics?
the compressor inlet of the small turbo is fed from the compressor outlet of the large turbo, the compressor outlet of the small turbo is then fed via an intercooler to the engine.
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Originally Posted by Johnny Knoxville
love it from a engineering side of it..... but why when one can do the job
no way a cossie engine could ever have got a t88 to spin up the way i did if there wasnt another turbo there to help it.
or maybe you could but wouldnt be drivable like martins was.
hopefully someone will post the vid
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XRT_si No mate I haven't unfortunately
xr2i-carl Not sure mate, think someone said about 550bhp the other day but what truth and accuracy is in that I have no idea
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xr2i-carl Not sure mate, think someone said about 550bhp the other day but what truth and accuracy is in that I have no idea
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