Re: turbo charging


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Posted by Brian in Oregon on Monday, February 12, 2001 at 2:17AM :

In Reply to: Re: turbo charging posted by R Davis on Sunday, February 11, 2001 at 11:29PM :

There is quite a bit of high powered math that comes into play when setting up turbos on non-standard applications. By this, I mean you are on unknown ground with a 230 flathead, whereas a small block Chevy would have extensive proven data showing what combinations of parts work.

HP Books probably has an up to date version of the old "Turbochargers" book I have by Hugh MacInnes. Mine is choked full of math formulas.

It is much simpler to use a Paxton type supercharger. For those who aren't familiar with it, imagine half a turbo, only the compressor section, with the exhaust section replaced by a drive for a pulley. The engine drives the compressor, not the exhaust. Thus, you can control the power band easily by using different ratios of pulleys. Pat Ganahl wrote "A Do-It-Yourself Guide To: Street Supercharging" from S-A Design a few years ago. It or an updated version are probably still available. It covers various superchargers including the Paxton.

In the long run, it would be novel to have a supercharger or a turbocharger on a flathead. From a practial standpoint, someone wanting something "different" might want to consider an early Hemi instead. Of course, that's just my personal opinion. And, there is some nifty vintage speed equipment out there for old Hemi's, including superchargers, if that's what turns you on. I frankly think an old Hemi with injectors or Webers would look boss.




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