Re: the Navarro Six, O-ring questions

[farna@xxxxxxx]

Looks like two parallel, nothing in series. Series one would blow into the other -- usually a large one blowing into a smaller one. These both blow into the same opening in the intake. Exhaust is probably split so that three cylinders turn each turbo, but they may connect together somehow, can't tell, and I doubt it. The smaller turbos would spin faster an therfore create more boost than a large one not spinning as fast. I'd think the 550 hp single turbo setup you have (the first one) should be enough, don't you??? ;> 

On July 19, 2005 Tom Jennings wrote:

> On Tue, 19 Jul 2005 farna@xxxxxxx wrote:
> >
> > That wasn't the final Indy motor then. Navarro's site states "twin turbo-charged Rambler six producing 700 hp". I think the 700 might be an exagerration, or liberal rounding up, but the twin turbos should be accurate. The FIRST Indy motor only produced 550 hp though, so you're on track if that is indeed the first engine. The FINAL engine supposedly had the twin turbos (likely in series -- one blowing into the other -- so it's possible you only saw one?) and produced 640+ hp.
> 
> OK, I was wrong being wrong. There are two turbos clearly (sic)
> visible in this bad photo:
> 
> http://wps.com/AMC/Navarro-Indy-motor/images/indy-side-bad-photo.jpg
> 
> There's two waste gates, so I guess the exhausts are in parallel?
> The compressor side must be in series.
> 
> http://wps.com/AMC/Navarro-Indy-motor/images/indy12.jpg
> 
> It's a hell of a tangle in there. What a pain to assemble.


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