Andy-No-Knee Posted May 26, 2013 Share Posted May 26, 2013 Looking at getting a new single manifold as I may be going for a larger single turbo. The maniflod I currently use is an HKS T3 undivided mount. Lots of the manifolds I am seeing show either a divided T4 mount or a single large undivided T4 mount. And I have read that the divider is used when the pulses from cylinders interfer with the flow from other cylinders. My question is does the 1JZ/2JZ GTE engine require a divided mount or a non divided mount. Thanks! Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted May 26, 2013 Share Posted May 26, 2013 Depends on the turbo choice, if the turbine housing is divided then you need a divided manifold, but if the turbo is undivided you can use either. Quote Link to comment Share on other sites More sharing options...
Andy-No-Knee Posted May 26, 2013 Author Share Posted May 26, 2013 Huh!?!?! I would think (with my increadably limited knowledge on the subject) that the question of division is if the engine cylinder firing order is sutch that it sends conflicting pulses to the manifold and turbo, that would then dictate if you need a divided manifold and turbo or not. Quote Link to comment Share on other sites More sharing options...
Hartmann Posted May 26, 2013 Share Posted May 26, 2013 you dont need the division of the engine pulses ... but it helps on the spool time .. some go with the open housing (offen big power and drag cars) and some divided (street car) it . your choice Quote Link to comment Share on other sites More sharing options...
Andy-No-Knee Posted May 26, 2013 Author Share Posted May 26, 2013 Ahhh. Cheers. Quote Link to comment Share on other sites More sharing options...
Hartmann Posted May 26, 2013 Share Posted May 26, 2013 just make up your mind before you go eighter route you then you will be fine Quote Link to comment Share on other sites More sharing options...
Ian C Posted May 27, 2013 Share Posted May 27, 2013 Divided housings are more useful for 4 cylinder engines due to less exhaust pules for a given RPM. Apparently it's not so much use on 6 cylinder ones but I doubt it'd hurt getting a divided manifold and housing though. You might see and improvement, or it might be too small to notice. Quote Link to comment Share on other sites More sharing options...
Andy-No-Knee Posted June 12, 2013 Author Share Posted June 12, 2013 So it isnt possible to mount a divided turbo onto a non divided manifold? Or is it possible but not a good idea? Just looking at ordering the manifold and turbo so want to make sure i dont f*** it up! (Which I am very likely going to do!) Quote Link to comment Share on other sites More sharing options...
Swampy442 Posted June 13, 2013 Share Posted June 13, 2013 It is possible, but the divide will be burnt and eroded away by the exhaust gasses, covering your turbine in nice motlen metal bits Hence why I said its cool to run an undivided housing on a divided manifold but not vce versa. Quote Link to comment Share on other sites More sharing options...
Andy-No-Knee Posted June 13, 2013 Author Share Posted June 13, 2013 Cheers! I thought that may be the case but the difference between 'thinking' and 'knowing' is huge. Quote Link to comment Share on other sites More sharing options...
Wez Posted June 13, 2013 Share Posted June 13, 2013 It is possible, but the divide will be burnt and eroded away by the exhaust gasses, covering your turbine in nice motlen metal bits Hence why I said its cool to run an undivided housing on a divided manifold but not vce versa. Ive been running a divided housing tubby on my undivided cast manifold for as long as I can remember, it hasnt turned it to molten metal but when I removed the turbo it was certainly cracked on the divide, this didnt stop it working just fine though but its not ideal Quote Link to comment Share on other sites More sharing options...
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