Wellllllll, that's not entirely true.
If you lift the pin of the carb about 1/16" and (1) the engine goes faster
and stays faster the carb you are holding needs to be leaned (2) If the
engine dies it needs to be richened (3) If the RPMs rise and then go back to
normal it's correct. Just lift the pin a little!
When you raise the pin all the way and the engine dies richen up the other
carb. Make sure the idle speed is correct before doing this as a low or high
idle gives deceptive results.
Remember to do the tune up stuff first and disconnect the linkage from the
carbs to get your idle adjusted correctly.
Mike
----- Original Message -----
From: "Adam Bradley" <ambradley@attbi.com>
To: "Roman Rist" <roadsterregistry@yahoo.com>; "datsun roadsters"
<datsun-roadsters@autox.team.net>
Sent: Thursday, August 15, 2002 10:47 PM
Subject: Re: stupid SU question
> You adjust the other. Lifting the piston "kills" that carburetor.
>
>
>
> At 07:29 PM 8/15/2002 -0700, Roman Rist wrote:
> >Ok, the heading tells the tale.
> >
> >when you lift the piston, and the revs go down, should you adjust "that
> >carb" or the other one?
> >
> >after the starter change I changed carbs from the 67 to the 70 and now
the
> >thing runs like crap!!
> >
> >ran fine at first and then started coughing and sputtering with no power.
> >
> >I checked it out and found that the vacum line to the front carb wasn't
> >on. I put it on and it was doing fine....for like a day.
> >
> >the motor runs very rough and just for the hell of it I pulled the plug
> >wires from the front 2 cylinders, no change, yet both plugs have spark.
> >
> >I'm not sure if I have a carb problem or electrical problem, any way blah
> >blah.
> >
> >sorry to bore you with my ignorance.
> >
> >Roman
> >HotJobs, a Yahoo! service - Search Thousands of New Jobs
> >
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>
> Adam Bradley
> '70 Datsun 1600 Roadster SPL311-28181
> '67 Datsun RL411 SSS sedan RL411-11321
> '66 Datsun PL411 sedan PL411-022447
> http://www.picturetrail.com/abend
>
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