Superman09

iTrader: (65)

Just the a/r is the difference, no power difference between the two. You would want to choose the a/r based on your application, they are both rated to the same power. Smaller a/r will spool a bit quicker as it allows the exhaust gasses to hit the turbine wheel quicker. This will also tighten your powerband up compared to the larger a/r. The larger a/r will take a bit longer for the exhaust gasses to hit it, which therefore will move your powerband up higher in the RPM range a bit. Therefore, the a/r is just there to cater to your needs out of the turbo based on your set-up

CameronVic

iTrader: (5)

Am I right in thinking that the 1.15 compared to the .86 housing will have the potential to be more efficient at higher boost?

Sales@Tick

iTrader: (3)

No and this is a common misconception.

Just as John said, the tighter the AR housing the sooner maximum drive pressure is reached which will increase power under the curve and torque and decrease spool time.

The looser the AR housing the later maximum drive pressure is reached which will decrease power under the curve and torque and increase spool time.

It is a common misconception also that a looser AR housing will drop back pressure. While it may drop backpressure under the curve, it will not change the maximum amount of back pressure present in the exhaust, only where in the RPM band that point is reached.

Sizing the TURBINE wheel properly is what increases or decreases the maximum amount of back pressure present in the exhaust. AR is just a tool to achieve the power curve and spool time needed for the combination at hand.

CameronVic

iTrader: (5)

Allow me to rephrase then. Lol. What AR is better for a 5.3 with an LS6 cam and intake.

stutts115

with a 4400lb car 4L60? thanks

coolmanvette75

iTrader: (2)

Mild 5.3? Go with the 0.96 for sure. Jon any update on when these from the last order will be shipping out?

Superman09

iTrader: (65)

Should be receiving an update any day on the current order! Will update all as soon as possible!

For anyone looking for a recommendation, also feel free to send me an e-mail to: huronspeedproducts@gmail.com . Be sure to include all of the specs on the engine, trans, fuel, use of vehicle, etc to help out!

Jon

MUSTANGBRKR02

iTrader: (91)

Anyone have any dyno numbers on these yet? Comparing the old TC's or the PT7675?

RedRocketZ28

iTrader: (19)

Mine is almost ready to throw on the dyno. Fighting a knock issue right now and trying to rule out if it is false. Probably will have it on a dyno next week. When it doesn't show knock on the scanner, and I am getting full timing on 16-17 lbs., it runs hard.

For comparison sake, with the on3 turbo on 14 lbs. my car made 606/570 unlocked.

dimetweaker

iTrader: (1)

very fast response time and very thorough customer service! look forward to doing business with you guys!

Sales@Tick

iTrader: (3)

.96!!!

offaxis

iTrader: (19)

I went with the 1.15 on my 7675 for my 5.3 . I guess I'll see how it works.

regblkss

Any word on when these will ship? I'm anxious to get my car on road

jrpimp00

iTrader: (17)

Still waiting too, almost a month and a half, but hoping it gets shipped soon.

Superman09

iTrader: (65)

I actually just got a call from Turbonetics on these. They were short on the 75mm wheels as well as the 1.15 housings. Good news is he told me all should be done here very shortly! So all that have a turbo on order, it should be fulfilled here and shipped to you shortly. For best status on an order, email is the best way to contact and I will get back with you ASAP!

Also, we have an abundance of extras on order for stock, so anyone else needing one of these, be sure to contact me as you won't be able to get them anywhere else without a massive backorder!

Jon

sixt5

almost at three months myself

jrpimp00

iTrader: (17)

Lets go Turbonetics, get these things built already!!!!

Superman09

iTrader: (65)

I have a few tracked to show up this week. Will get them out to their respective customers and hopefully many more on order will come in shortly after!

97WS6SCharged

iTrader: (1)

Hey Jon

At what point (displacement wise) would these units start to become a restriction on a street car?

Superman09

iTrader: (65)

Depending on the rest of the set-up, I would like to see them on 6.0-6.2l's or less. I wouldn't hesitate running one with a 383 in a street car application either. Beyond that CI wise you would really want to look into a larger turbine wheel, but it also depends on quite a bit more that purely displacement and on your particular set-up. If anyone ever needs a turbo recommendation, feel free to shoot me a PM and I would always be happy to help out!