Im up for a new turbo after a big night of antilag, the vf22 is abita smokin.....
Which one of these turbos is a all round better choice.

Who is using a vf 34, whats the goods and bads on these units.
any help would be great
cheers all

vf22 if you want to lag up the cummins diesel.

vf35/vf34/vf39 if you want some decent response and sensible top-end.

gtpumps/momentum/twinscrolls if you want better response/better top end.

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I have heard of twinscroll, but who make them? ihi? and who is a supplier. I need something this week. If cant find anything else ill go the vf34.

How would the VF34 go on my auto? And would it be better matched with a TMIC or FMIC?

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a vf34 on an auto with FMIC, id say it'd be laggy and unresponsive, ideally get a p15 housing and slap that on the back of the vf34 (making it a semi vf35) that way you get the benifit of the vf34 roller bearings and the quicker spool of a vf35 giving you a much quicker spooling turbo, a genuine vf35 can still do 350 odd hp, so dont be under any impression that a hybrid vf34/35 turbo could be too 'small'.

either way, a fmic on the auto is gonna be a lag hole, not to mention your torque convertor is gonna be all screwed up.

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What do u mean bout the torque convertor?? I was leaning more towards either a PWR or APS top mount anyway, i seriously reckon an FMIC on an auto is just for the bling factor!! Either way, will have to get a high stall to combat the laggy launches etc. I guess.

Who'd be best to speak to about the VF34 with the different exh housing? Where do you guys buy your turbos?

Josh

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Spoke to Steve @ MMS today and he reckoned changing the housing would make no difference in his words "what a crock'a shit", so upside - CHEAPER!! Still gotta decide whether to fit the turbo now or save more towards autronics as well.

Thanks for all your help ppls

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"crock of shit" hey,

thats rich comming from a tire mechanic

if changing the housings make no difference, subaru coulda saved a lot of money and just made one turbo fits all!

yeah nice and bright...

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^^^^^ Fark he (SW at MMS) says some dumb things sometimes. Has really put me off using them. Have had him try and convince me of a couple of things that simply weren't true. They still seem to do good work though judging by the Eamon beast.

Changed housings will definately make a noticeable difference.

No one should go solely on anyone's word. Learn how the piece of equipment works and then consider the advice.

Dropping down a housing size is like dropping down a garden hose size etc. Physically speaking, there's going to be more water pressure through the smaller sized hose... however if the flow rate increases (tap is turned on more), then you'd do better to upgrade to a larger hose to benefit from the larger volume of water etc. It's exactly the same with small/ large turbos. The larger the exhaust housing, the longer it will take to reach efficiency, but when it does it will flow more than a smaller housing that will usually become restrictive at similar rpm. However, due to exhaust gasses running through a smaller area/ housing, will spool up the blades a lot faster and so on.

The basic idea above could never be found to be "a crock of shit", because it is measurable and can be tested over and over with the same results. Something I wish could apply to differing mechanical advice throughout the metro area!