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Discussion Starter #1 (Edited)
Hello all, let me share my experience with this turbo.
Been there broke that with precision... got tired of it fast. Researched many and this one caught my eye for both oil and water cooling, good for low and High RPM and a promise for a street car set up.
Had this with my built 8.5:1 3.0L and now with the 10:1 3.4L, both on E-85. Naturally the Stroked High Compression makes any turbo shine, but this little turbo is worth looking at. Here's what Alpha did few days ago:


Details: https://www.turbobygarrett.com/turbobygarrett/turbocharger#GTX4088R

If you're researching a new street turbo with Garrett/Honeywell reliability, look no further. No need for huge turbo to be in the 1k HP Club.
Engine specs:
3.4L 10:1 bottom, ported head with GSC S2's, Titan Street Intake Manifold, ID2000, Twin Bosch 044, ETS 5", RPS twin, HKS Manifold, ARP 625+, AEM V2.
 

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That's not bad at all for only a 65mm turbo and 32psi.

This turbo would fall in between a 6466 or 6766 and I would say the numbers are there.

When do you make 300wtq?

What size AR?
 

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Nice... Also curious to see when peak tq starts
 

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Nice to see someone finally do it with a GTX4088R. Great results.
 

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Discussion Starter #7
We had difficulty getting the sheets from the DynoJet, so pictures and one sheet is what i obtained. (Thanks Alpha and Alen)

IMG_1583.JPG
*STD*
IMG_1555.JPG
*SAE*
IMG_1095.JPG
Torque.
 

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Discussion Starter #8
That's not bad at all for only a 65mm turbo and 32psi.

This turbo would fall in between a 6466 or 6766 and I would say the numbers are there.

When do you make 300wtq?

What size AR?
1.06
 

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The sizing is perfect for 3.0L.
 
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