thercpilot

Hi guys,

Really appreciate if anybody can share some info.

1) What is the Evo 9 Stock Turbo flow rate?
2) Compared to Evo 8 MR?
3)What is the rating for the stock actuator?(psi/bar)

Was wondering if worth upgrading my Evo8 turbo to Evo 9.Understand that the 9 has more flow with its bigger housing.Friend selling real cheap.Any performance gain if any?

Thanks Guys!!

Cheers.

sparky

iTrader: (1)

Sorry, don't know the flow rates for you offhand, but would recommend buying the IX turbo especially at the cheap price. It should give you 15-20 WHP over your VIII turbo especially if your Asian Market Evo came equipped with the 9.8 turbo exhaust housing. Go for it. And, don't forget to get the compressor discharge tube as well as the oil and coolant lines from him while you're at it.

thercpilot

Hi Sparky,

Thanks for your info.

Is it true that the Evo 9 turbo is similiar to the 2835?Perhaps just a tad smaller?Or wud a 2835 be a better upgrade? I dont intend to go anything bigger like GT30..

Thanks.

Bobrick

iTrader: (2)

Is the evo 9 turbo a ball bearing turbo?

DarksideEng

iTrader: (38)

nope.

kyoo

iTrader: (29)

bump for a flow rate.. i really couldn't find it

sparky

iTrader: (1)

I did a little bit of searching for you but couldn't find any definitive flow numbers on the IX turbo. The VIII turbo is listed as flowing 38 to 39 lbs./min. The IX turbo apparently flows just a wee bit better than an VIII turbo does.

The IX turbo supposedly flows somewhere in the 39 to 42 lbs./min. range. I couldn't find a more exact flow rate for the IX turbo than that. No source that I found gave a precise flow rate for the IX turbo. Bummer, huh?

I even looked over on LancerRegister. They have a sticky thread listing most Evo turbos. but, it does not clearly distinguish between the VIII and IX turbos. There are a couple of threads here on EvoM concerning the IX and the VIII. Again the writers agree on 39 lbs/min for the VIII turbo, but they kinda fudge on the IX's flow rate. It seems kind like an educated guess or an extrapolation at best. Very imprecise.

So, you are left wondering. It is common knowledge that the IX turbo produces more power than the VIII turbo. No one will argue with you on that score. The VIII turbo may have been a better torque producer however. At least that argument can be made.

The only real difference between the two turbos is in compressor housing design. Well the IX has an improved compressor housing design and a different backing plate. The compressor wheel however, is identical on both turbos. As is the turbine wheel design.

In general, the compressor wheel determines compressor flow rate, and both turbos use the identical wheel. Like I mentioned the main difference is the IX's improved compressor housing design. Given the same wheel, the more efficient housing alone should make only a small difference in flow.

kyoo

iTrader: (29)

thanks for that - the best i could find was an unofficial 610cfm, which roughly translated to 41-42, and falls in line with the info you said

novem

iTrader: (2)

Flow rates in this link.

https://www.evolutionm.net/forums/en...low-rates.html

N