Have you checked the throttle shaft bushings for wear? It sounds like you
might have an air leak.
> -----Original Message-----
> From: owner-datsun-roadsters@Autox.Team.Net
> [mailto:owner-datsun-roadsters@Autox.Team.Net]On Behalf Of Michael Knorr
> Sent: Monday, October 18, 2004 8:01 PM
> To: datsun-roadsters@Autox.Team.Net
> Subject: Idling at 600 rpm, 1200 rpm, 1500 rpm; mine does them all, at
> random
>
>
> I own a pretty much stock 1966 SPL-311 -- twin SUs, points,
> condensor, et al
> -- that sits there and idles just about wherever (and whenever) it feels
> like. Most days, it maintains between 1200 and 1500 rpm at idle
> -- no, the
> choke's not set -- but sometimes it settles down to a polite 600
> to 800 rpm.
> Taking it up a couple of thousand feet in elevation to a local ski resort
> sets the idle down -- which is what I would expect -- but it
> cranks back up
> again when I return to my lower elevation home. A while back I
> tried to turn
> the idle screw down to almost nothing and quickly remembered I'd
> already set
> it down to almost nothing months before. I figure the idle air adjust
> doesn't apply because the car occasionally does idle at its
> proper rpm. Does
> anyone have any idea about what could be the problem? What with
> the gasoline
> prices these days and the Roadster's habit of drinking as much gas as you
> can give it, I'd like to save a bit of gas money on the thing,
> pretty as it
> is.
>
> Michael Knorr
> 1966 SPL-311
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