It possibly could be a float level problem but I'd explore the dirt and pump
before I start with that.
I had a Z that had the exact same problem - around town fine and on the
highway it crapped out - sounded like the engine was running underwater from
fuel starvation.
Mike
----- Original Message -----
From: "Tom Hendricksen" <tom@fransfancies.com>
To: "'Roadsters (E-mail)'" <Datsun-roadsters@autox.team.net>
Sent: Thursday, June 20, 2002 8:20 PM
Subject: Re: vaporlock?
> Robbie,
>
> Are you sure you are not looking at a fuel pump? It sounds more like fuel
> starvation than vapor lock.
>
> Tom
> SRL311-12401
>
> robbieharrison@comcast.net wrote:
>
> > A month or so ago there was a long thread on vapor lock, which I really
> > didn't follow much at the time because I had never experienced it. Not
> > really sure if that's what's happening now, but it sure seems to meet
> > the symptoms mentioned. I've got a '68 U20 with SUs and stock fuel pump.
> > No problems cruising around town, but the last couple of times I hopped
> > up on the highway she started sputtering and coughing. Pulled off, sat
> > for a minute, everything came back to normal and was content to ride
> > around at low speeds. Engine temp seems to be fine, and she only gets
> > upset when I want to take a dash on the highway. Suspecting vapor lock,
> > I went searching for a way to cool off the fuel, and found a fuel cooler
> > at Summit Racing, at the link below:
> >
> > http://store.summitracing.com/default.asp?target=search.asp%3FType%3Dbys
> > ummitpart%26Part%3Dflx-4136%26Search.x%3D1%26SearchType%3DBoth
> >
> > Has anybody tried such a thing on their roadster? It says it's designed
> > to work with high output fuel pumps - would the stock pump qualify? Or
> > does it sound like I'm barking up the wrong tree entirely? Any help
> > would be appreciated
> >
> > Robbie Harrison
> > '68 2000
> >
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