[Roadsters] cooling the intake?

[MH]

Ignition coil

----- Original Message ----- 
From: "RWM (Out of the Office)" <RWM at RWMann.com>
To: "Ed Mitchell" <edmitche at gmail.com>; <datsun-roadsters at autox.team.net>
Sent: Sunday, August 02, 2009 10:30 AM
Subject: Re: [Roadsters] cooling the intake?


> Ed,
>
> I removed the intake cooling and heater hoses long ago with no ill
> effect.  (Also have a 14" Spal thinline fan, but that's not likely the
> issue here, either.)
>
> Sounds like classic fuel starvation.  Have you flushed the tank of crud
> and blown out the lines?   How about any screens in the carb banjo
> fittings (or are those solely Solex)?
>
> Can't help but commiserate on the bobblehead issue; I'm 6'4" and had to
> re-mount the seat tracks aft and rake the seat further back to see under
> the top of the high windshield visors.
>
> - Bob Mann, '68 2000 Solex
>
>
>
> Ed Mitchell wrote:
> > Ok...Dead Betty ROLLS  :-)  Sadly I look like a bobble head in a clown
car
> > driving it around with my 6'2" frame.(I'm blaming it in length...not
girth)
> > freakin' head sticks up 6" over the short windshield.(it's a midlife
crisis
> > gone bad) (do I get a "Do-Over"?)
> >
> >
> >
> > But.I digress.
> >
> >
> >
> > She runs for like 30\45 minutes...then it leaves me stranded
> >
> >
> >
> > It feels like vapor lock...like she's struggling to get air or fuel.so I
put
> > an electric fuel pump on.(as if that's a cure).and shortened my tubing
to
> > the carbs.but still.being left stranded 'till she cools down.  (darn
> > redheads)
> >
> >
> >
> > My operating temp is roughly at 190deg.and I did modify ('cause I'm such
the
> > genius) the water pipes to the intake.actually.I omitted them.  As I did
the
> > interior heater box.
> >
> >
> >
> > Is it possible I'm getting too much heat at the carbs?  Is that water
flow
> > thru the intake manifold necessary?  And this is indeed my problem?
> >
> >
> >
> > Any input would be greatly appreciated
> >
> >
> >
> > Thanks
> >
> >
> >
> > Ed Mitchell
> >
> > Las Cruces, New Mexico
> >
> > 1967.5 Datsun Roadster 1600 - SPL311-12761
> ________________________________________