The problem w/the K20 Urbaniser was that it had a 4.11 rear end, which at hiway speeds drove the diesel about 1000 RPM more than it wanted to go.. It was HAPPY, HAPPY, HAPPY at 45, but at 55-60, it was NOT, & at 75, it was in PAIN. But IIRC, that was the ONLY rear-end ratio available for K20 Diesel Urbanisers that year..
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Benevolent Despot
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