My New T67 Center Piece

[danielbui]

Yeah my car has been running for almost 4 or 5 months with no problems (yet) Although I think my alternator is dying because sometimes it doesnt like to start and I have a new red top optima in the trunk so I dont think its the battery.

So lets hear the TRUTH! Are you surging alot? and at what rpm-boost level?

 

[prostreetdsmx1]

looks great man.

 

[PSI NRG]

So lets hear the TRUTH! Are you surging alot? and at what rpm-boost level?

It only seams to surge at low rpms when you are just hardly on the gas. I'm not even 100% that it is actually surging it just breaks up a bit it could just be from the size of the injectors and the amount of fuel at low rpm but once you are more then 1/4th pedal its fine. Bottom line is the car doesnt like to be driven at slow speeds it likes to be revved and be higher in the rpms. If you putt around town it acts up

 

[danielbui]

It only seams to surge at low rpms when you are just hardly on the gas. I'm not even 100% that it is actually surging it just breaks up a bit it could just be from the size of the injectors and the amount of fuel at low rpm but once you are more then 1/4th pedal its fine. Bottom line is the car doesnt like to be driven at slow speeds it likes to be revved and be higher in the rpms. If you putt around town it acts up

HahA! I was just messing with ya! Theres that big debate about, "ports or no ports"
Did you ever run it in the quarter?

 

[PSI NRG]

HahA! I was just messing with ya! Theres that big debate about, "ports or no ports"
Did you ever run it in the quarter?

Not on the new tune ran it on pump gas went 11.5 at 124 mph 18 psi of boost

 

[Car Cannibal]

What's your 60ft??

There is a lot left there in that turbo, easy mid 10 for ya with a good 60ft and big boost.

 

[danielbui]

looks great man.

Thanks

 

[PSI NRG]

I was gettin like 1.8's on street tires

on 18psi It made just shy of 460awhp

 

[wishihadatalon]

Not on the new tune ran it on pump gas went 11.5 at 124 mph 18 psi of boost

That is very impressive. I can't wait to order my new turbo

 

[nanokpsi]

I was gettin like 1.8's on street tires

on 18psi It made just shy of 460awhp

Nice. I can't wait to see what my new set up makes on pump gas!

 

[Reese92tsi]

Not on the new tune ran it on pump gas went 11.5 at 124 mph 18 psi of boost

124mph at just 18psi is just plain sick , I hope to achieve feats like this with the t70.

 

[PSI NRG]

Having a good tune, pretty much every mod possible to the motor done which by all means isnt cheap you will def. see huge gains. How soothly things flow was a large concern to me, I wanted there to be no neck downs or restrictions to produce a nice smooth flow for the air entering the motor and exiting. As you can tell it pays off in the end! My charge piping goes from 2.5 to 3inch to the TB and a 75mm TB to the intake manifold. I have a forward facing oil filter which allowed Don at Accelerated Performance make a nice smooth curving downpipe to pretty much a straight back exhaust. These things might sound small but they really do help out alot. Thing is a damn monster on the top end. i could probably 700whp but the eagle rods worry me. Plus I only have my rev limiter set at 8300 when it could easily handle revving up to almost 9k

 

[Reese92tsi]

Having a good tune, pretty much every mod possible to the motor done which by all means isnt cheap you will def. see huge gains. How soothly things flow was a large concern to me, I wanted there to be no neck downs or restrictions to produce a nice smooth flow for the air entering the motor and exiting. As you can tell it pays off in the end! My charge piping goes from 2.5 to 3inch to the TB and a 75mm TB to the intake manifold. I have a forward facing oil filter which allowed Don at Accelerated Performance make a nice smooth curving downpipe to pretty much a straight back exhaust. These things might sound small but they really do help out alot. Thing is a damn monster on the top end. i could probably 700whp but the eagle rods worry me. Plus I only have my rev limiter set at 8300 when it could easily handle revving up to almost 9k

Man up and wring it out to 9000 , I have a stock rebuilt bottom and rev it to 8500 with no problem and the t70 feels like it would be much happier at 9000+ but I'm still on stock springs. I feel you on the top end power, when it hooks up (very rarely) the revs just climb retarted fast .

What turbine housing are you running with your t67?

 

[PSI NRG]

.82 T3

 

[damnslowtsi]

What turbine wheel do you guys have in your 67s? P trim or GTQ? Thanks.

 

[Reese92tsi]

I think his has a Gt35 turbine wheel

 

[nanokpsi]

P trim is all you need.

 

[damnslowtsi]

I 've read about backpressure getting kinda high with P trim. That's actually the reason why I asked.

 

[danielbui]

I 've read about backpressure getting kinda high with P trim. That's actually the reason why I asked.

I don't understand the theory behind this. could you please explain.

Thanks,
Daniel Bui

 

[damnslowtsi]

There isn't much theory in this. I dunno. Improperly sized or outdated wheel that doesn't flow all that well would be a couple of reasons.

 

[nanokpsi]

With a decent set up, you'll be able to max out a 67mm compressor with the psi in the low 30s. As long as you are running a proper turbine housing (.68 t4 or larger) you shouldn't have a problem. Besides, you'll want the BB CHRA with a 67 (the non bb was horible between shifts on my 2.0) and you'll have to get a small shaft 67/p trim for that. Mine is actually going to fp this week for some work and may come back a different animal all together

 

[Mike 99GSX]

With a decent set up, you'll be able to max out a 67mm compressor with the psi in the low 30s. As long as you are running a proper turbine housing (.68 t4 or larger) you shouldn't have a problem. Besides, you'll want the BB CHRA with a 67 (the non bb was horible between shifts on my 2.0) and you'll have to get a small shaft 67/p trim for that. Mine is actually going to fp this week for some work and may come back a different animal all together

In my experience, the T67/P trim makes considerably more power in the upper 30s vs lower 30s

 

[damnslowtsi]

That's good to hear then. I was mainly referring to a post by Martin (AMS) on the other board where he said that it was getting too high.

 

[nanokpsi]

That's good to hear then. I was mainly referring to a post by Martin (AMS) on the other board where he said that it was getting too high.

Kepp in mind Martin really only uses the .63 t3 backside for his turbos. The larger t4 stuff would be a better choice.

 

[nanokpsi]

In my experience, the T67/P trim makes considerably more power in the upper 30s vs lower 30s

Sounds like you need more mods