LS AzZkIkr

I was wondering if anyone has had a divided turbo with an open manifold and ported or knife

edged the divider of the turbo? Seems like a good idea so I was just looking for some

input on this.

Thanks H-T!

wilham320

iTrader: (1)

almost everyone that uses holsets (most all are divided) on a open mani port the divider. I've never seen before/after results, but i'm sure it would be less turbulent than a flat casting right in the middle of flow.

LS AzZkIkr

Thats what I was thinking. I was wondering if it will decrease spool time?

96 GSR-T

grinding on the housing isnt going to decrease spool time unless you consider 50rpm a gain, my friend ran a divided turbo on an undivided manifold and spool was slow and lazy.

wilham320

iTrader: (1)

the only way it would be any better than a open housing would be to use a "quick spool valve"

The divided housings on a open mani spool like a huge open housing, but make power of tiny housing. Sucks both ways.

0dancing_ninja

Running open housing turbos on divided manifolds is fairly common and not that detrimental to performance. Doing the opposite way is not the same story. To use a divided turbine housing you should be using a divided manifold.

LS AzZkIkr

So would it be better to just try a .68a/r T4 open housing? I have a InlinePRO dual drilled

manifold and I have both .68 open T4 and .84 divided T3. The .84 is currently on the car

and makes full boost at 5K but creeps up 2 psi higher in rpm. I would at least like to try

to sharpen the divider in the .84 just to see if it increases flow and helps with the lag.

0dancing_ninja

You can try it but the turbo will probably still be somewhat lazy. What kind of power is the car making right now?

LS AzZkIkr

It made 309 on 9psi. It made 155 N/A.

turbohatch96y7

iTrader: (15)

I thought you can block one side of the divided turbine Housing? To make it spool better

092eg6

yea i would like to know, i have divided turbine housing and open manifold.