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Registered
Join Date: Aug 2006
Location: Cincinnati, Ohio
Posts: 1,019
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Ah, the old 86.5! Actually if I'm correct the heads are somewhat different as well. I'll probably be going back and putting a similar manifold and modern turbocharger set like this setup on my 4.5 liter. The K-26/6 setup works really well on the 4.5 liter, but a set of these Garretts would really blow the lid off of things. The new wheel technology is leaps and bounds above the old school turbos...especially the turbine geometry with much smaller, higher flowing wheels. I really must finish this 5.0 build soon...the suspense is nearly killing me. I've been fabricating since August, 2006...and the investigation into this project steps back at least 18 months before that.
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Kuhn Performance Technologies, LLC
Big Gun: 1988 928S4 Twin Turbo, 5-SPD/LSD 572 RWHP, 579 RW ft-lbs, 12 psig manifold pressure. Stock Internals, 93 octane.
Little Gun: 1981 928 Competition Package Twin Turbo, 375 RWHP, 415 RW ft-lbs, 10psig manifold pressure. Nikasil Block, JE2618 Pistons, 93 octane.
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