Quote:
Originally Posted by s2d4
Why are you so adamant that 65mm would be a restriction at 325rwhp?
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I think Mike mentioned he is maxed out on the inlet and needs to go at least 3.5 inch. That must be all the way through to blower to maximize compressor efficiency. When overspinning the 335, a 65mm TB is far too small for that size compressor. It's one of the biggest mistakes when trying to make big power out of a Supercharger. Choking the inlet will force the compressor to work harder especially on the top end, and especially while increasing compressor speeds. Effectively heating the outlet temps and lowering boost. 210 and 335 guys that are overspinning your compressor should take a boost reading behind the air filter. You'll find that you have a restrictive inlet at higher compressor speeds.
Ron