Look what FedEx brought me today!

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click for full size



The registration card indicates that the model number is "5862SP"

First 2 digits are the compressor wheel inducer diameter: 58mm
next 2 digits are the turbine wheel exducer diameter: 62mm
The "SP" just indicates the compressor housing type: "S" style (4" inlet, 2.5" outlet), "P" for ported (anti-surge porting)

This has the T4 tangential .58 A/R turbine housing.

Here's the product page for the 5862 turbo: http://www.precisionturbo.net/produc...2-CEA-reg-/233


Both the compressor and turbine wheels are machined from solid pieces of metal. The compressor wheel is machined from a block of forged aluminum. As far as I know, the Garrett turbo has standard cast compressor and turbine wheels. Here's Precision's marketing about their machined wheels:

Compressor wheel: http://www.precisionturbo.net/tech/C...ssor-Wheels/37
Turbine wheel: http://www.precisionturbo.net/tech/C...bine-Wheels/41

Here's a closeup of my compressor wheel. The machining marks are visible:

click for full size



I can't see any machining marks on the turbine wheel, so maybe the turbine wheels are put through some smoothing/finishing process, or maybe the machining of the compressor wheels is intentionally more coarse for some aerodynamics reason? I did find some pics of Precision's old vs new turbine wheels and confirmed that mine definitely appears to be the newer "CEA" turbine wheel.


Quote Originally Posted by 2k13jk View Post
Is anybody having a squeeling noise on there 3.6? i just did my water pump and the squeel is back again im getting really sick of the noise
This should probably be a new thread. Seems quite unrelated to the new Precision turbo. But, no, I don't have an annoying squealing noise.