[Roadsters] More questions

[Fred Davidson]

Hi Dana:

A electronic distributor makes a lot of difference in helping set up the
carbs and/or timing.  I first started out with Pertronix to replace points
and found it made an obvious difference.  I later installed a "Gary Boone"
distributor many years ago, when he started  he started making them and
there was even more improvement.  As you know I am running B cam & Solex
carbs for 20+ years and I can get my  Roadster to idle at 700 rpm but
usually have it set around 900 or 1000. The electronic distributors sold now
are equal or better than mine.

Fred 

'69 Datsun 2000


-----Original Message-----
From: datsun-roadsters-bounces at autox.team.net
[mailto:datsun-roadsters-bounces at autox.team.net] On Behalf Of Dana Scribner
Sent: July-21-12 3:11 PM
To: datsun roadsters; drone
Subject: [Roadsters] More questions

So I put a B cam in my SU roadster. I went to set the valve at clearance and
looked in my Datsun manual and it said intake 0.012" exhaust 0.008" hot for
some reason ( this is when I get into trouble) I looked in a Chilton manual
and double check that info in another manual I have and they both said the
reverse intake 0.008" exhaust 0.012" hot. I have been using the Datsun
setting for years but I found this interesting. Now for the carb questions.
I can get hem balanced good but I can only get them to idle at 1200-1500 rpm
and it didn't matter if it was with a standard or B cam the problem is the
same. When I try to bring the rpms down and I'm talking a turning the idle
screws a very thin hair the rpms drop to 500 and keeps on going down until
it stalls out. I am running points and the springs in the distributor are
new recurved ones and the weights are correct. The timing is right on
without the vacuum attached. I have sprayed starter fluid around the intake
manifold to looking for leaks and didn't find any. What am I missing or
should be looking for. Thanks for all the help Dana S
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