Superior has a valve body kit for the 722.X units.

Try just driving in town in 3rd. Many of us do that... I do. Doesn't have to shift 3-4, 4-3 ever and you'll basically be into the boost. 2500rpm is about 45mph or so as I recall.

Also, I always let the turbo pull the car around town at the stall speeds. I've done that with every turbocharged vehicle I've owned.

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

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