Wez Posted September 3, 2008 Share Posted September 3, 2008 I think it has two wastegates as each half of the scroll is completely seperate, therefore you will need to bleed air away from the turbo off each side. With twin scroll/divided setups I thought you tuned the various exhaust pulses, it looks like they have bunched 1-3 and 4-6 together. Quote Link to comment Share on other sites More sharing options...
bolarbag Posted September 3, 2008 Share Posted September 3, 2008 Why has it got TWO wastegates? There's a lot of stuff to expand and contract, and plumbing *TWO* wastegates back into the system, missing anything that is in the way or that dislikes heat, will be a total nightmare. Looks similar to something on a Soarer I had in.... (You probably don't want to know ) The first wastegate(for cyl 4-6) is easy to plumb back in, the second(for cyl 1-3) is going to be a royal p.i.t.a, but my welder reckons he can do it I think it has two wastegates as each half of the scroll is completely seperate, therefore you will need to bleed air away from the turbo off each side. With twin scroll/divided setups I thought you tuned the various exhaust pulses, it looks like they have bunched 1-3 and 4-6 together. Yes its completely seperate, divided twinscroll, the response should be good on a fully divided turbine housing, but the GT35R will do for now It is tuned for various exhaust pulses in firing order;) Quote Link to comment Share on other sites More sharing options...
Wez Posted September 3, 2008 Share Posted September 3, 2008 It is tuned for various exhaust pulses in firing order;) OK cool, just checking Quote Link to comment Share on other sites More sharing options...
Chris Wilson Posted September 3, 2008 Share Posted September 3, 2008 That's what I didn't get, using a none divided turbine housing on a split pulse manifold, to me an extra wastegate looks a nightmare, especially on a RHD car! Quote Link to comment Share on other sites More sharing options...
bolarbag Posted September 3, 2008 Share Posted September 3, 2008 The lower waterneck has to be removed and a 2JZGE one installed, I'm using AN fittings and lines for coolant anyway so this neck needs to be modded, The turbo clocks perfectly to go down and under the chassis leg straight to the IC, the DP has to go in before the manifold(Its a 4inch), its all nice and tight but fits quite nicely Spool top end should be good as the gates dont have to open until a little later up the rev range, regardless which turbo is used, but a T67dbb will be going on when everything is finalised and problem free Be about a 15min swap!! Quote Link to comment Share on other sites More sharing options...
paul mac Posted September 3, 2008 Share Posted September 3, 2008 Oh I don't doubt that there will be a lot of peoples cheap installations going tits up in the next couple of years. Luckily for the people that built them, I imagine they'll have been sold on to unsuspecting new owners by then. However this is the first tubular manifold that I've heard of cracking on here in a long old time, and found it amusing that Chris managed to chip in straight away. fully agree, i've asked this question a number of times about known failed manifolds and how many have actually failed, i never got a response and lets not kid ourselves aftermarket cast manifolds can fail to Quote Link to comment Share on other sites More sharing options...
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