Thread: 3.38 ratio diff
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Old 23rd October 2011, 01:06 PM
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twinturbo twinturbo is offline
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Location: Carlisle
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I once swapped a DOHC for a 2.9 in a sierra 4x4, keeping the DOHC 3.92 diffs. It was much more sprightly than with the 3.62's but 1st was kind of superfluous.

You only get a woosh with a dump valve

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