The air flow is evidently critical in the keeping manifold temp down. BTW,
your dyno operator should check out a posting on the turboford.org site. A
turbo 2.3 put out over 200 hp from 3800 to 6000 RPM, with a max of 246 at
about 4200. The interesting part is the torque - maxed out at 276 ft.lbs!
Bill
----- Original Message -----
From: "Roger Gibbs" <rgibbs@pacbell.net>
To: "Bill Blue" <dablue@worldnet.att.net>
Cc: "ESPEN HOLM" <e_holm@c2i.net>; <alpines@autox.team.net>
Sent: Wednesday, May 22, 2002 8:34 PM
Subject: Re: Manifold temperature
> Getting to my e-mail after a few days ....
>
> Yes, I watched a 4 cylinder Mustang engine glowing a dull red on a dyno.
> Output ? - I think it was about 50 horsepower. I don't remember how
> long it took, maybe a minute or two at that output, before the manifold
> started to glow, it was approaching cherry red when the engine run was
> stopped.
>
> I asked the dyno operator about this - I was surprised that such a "low"
> horsepower output would cause the manifold to glow. He was not surprised
> at the red hot manifold. He also pointed out that rerely is one able to
get
> full output from an automotice engine for several minutes straight. BTW,
> he also said that 50 or 60 true horsepower out of the box stock turbo 4
> cylinder was a respectable steady state output.
>
> -Roger
>
> Bill Blue wrote:
>
> > snip
>
> > I have never seen a car manifold glow
> > from heat. Has anyone?
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