My cast iron head was not shaved too much in my stock engine and I used low
compression pistons in my stroker but I upgraded to the Spal fan and a
recored 2L rad. Still ran warm but not too bad.
Mike
----- Original Message -----
From: "Dziuba, Larry" <LarryD@pengrowth.com>
To: "'datsunmike'" <datsunmike@nyc.rr.com>; "Fred Schroeder"
<roadster@texoma.net>; "Roadster Listgroup"
<datsun-roadsters@autox.team.net>
Sent: Wednesday, May 29, 2002 10:25 AM
Subject: RE: vapor lock revisited ....
> Could the overheating problem be related to a set of similar cars i.e. all
> w/ heads shaved down more than usual thus higher compression and related
> temperatures, or, cars w/ modified engines that run harder? Just a
thought.
> maybe a survey would turn up something common. Larry.
>
> -----Original Message-----
> From: datsunmike [mailto:datsunmike@nyc.rr.com]
> Sent: Wednesday, May 29, 2002 4:40 AM
> To: Fred Schroeder; Roadster Listgroup
> Subject: Re: vapor lock revisited ....
>
>
> Fred,
>
> That's a good question.
>
> I always had a nonsmog dizzy, recored rad and the engine was rebuilt with
> all new parts.
>
> Heavy traffic did my car in as the stock steel fan was horrible and didn't
> push much air at idle. After installing the electric fan that problem
> disappeared however it did run warm on hot days and I could tell if I was
> going up a hill by watching the temp gauge rise.
>
> Mike
>
> ----- Original Message -----
> From: "Fred Schroeder" <roadster@texoma.net>
> To: "Roadster Listgroup" <datsun-roadsters@autox.team.net>
> Sent: Wednesday, May 29, 2002 12:35 AM
> Subject: Re: vapor lock revisited ....
>
>
> > I've heard so much about overheating and vapor lock. I've driven the
snot
> > out of mine all over the country including the Arizona desert.
> > (Arizona-Sonora desert to be precise.) We're talking 110 to 115 degrees
> in
> > July and August. It has never run past half scale on the temp nor has
it
> > ever vapor locked. It is (and was) 100% stock with the exception of the
> > non-smog distributor advance. Considering the circulating fuel supply
> > system on the Roadsters I can't imagine why they ever would vapor lock.
I
> > wonder why some have problems and others don't?
> >
> > Best regards,
> >
> > Fred Schroeder
> > '70 2000
> > SRL311-13359
> > TDROC
> > Home page http://home.texoma.net/~sitsinwest/
> >
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