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Old 08-12-2016, 09:28 PM   #54 (permalink)
rmay635703
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Quote:
Originally Posted by RCB View Post
Man, not to be a naysayer, but yes it does in most cases. It's been well documented. They've been used extensively in the RV aftermarket for years for just that reason. Have a 100ft lbs more off idle has proven results. Essentially you are artificially increasing compression.

Just like building an engine, selecting a supercharger is all about what you want. Roots style blowers are perfect for trucks and usually add fuel efficiency. Again, not dramatic, but at 7mpg, a bump of 2 would be huge
For his circumstance this sounds like bad advice.

If he had a 2 liter engine and was already turbo'd with a load maybe, but that isn't the circumstance
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