Ed,
No water to the carbs shouldn't pose a problem.? Check that the timing isn't
retarded and the mixture isn't lean (both cause high combustion temps) or
both.? Also check the cooling system (water pump and radiator) to see that they
are in good condition and are circulating enough fluid.?
If you have proper timing, mixture and coolant the car should run fine.? Do you
have the heat shield under the carbs?
Good fuel helps too.?
Good luck
John Over
Denver
-----Original Message-----
From: Ed Mitchell <edmitche@gmail.com>
To: datsun-roadsters@autox.team.net
Sent: Sun, Aug 2, 2009 8:27 am
Subject: [Roadsters] cooling the intake?
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
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