Hi Bob,
Having lived in Colorado Springs, rather than use the leaner needles on the
carbs, a flat or two up change on the jets seems to work about as well.
Then I went Datsun engine and it has an altitude compensator built into the
air cleaner!
Later, Paul A
----- Original Message -----
From: "Robert E. Shlafer" <pilotrob@webtv.net>
To: "pamdav" <pamdav@cableone.net>; <spridgets@autox.team.net>
Sent: Saturday, September 02, 2006 7:12 AM
Subject: Re: H2 crbs on a 1275...(HS2)
> No downside that I am aware of. Basically
> same carb., the front one of which normally
> has a vacuum barb for the distributor vac.
> advance, though the motor will run fine without this as long as the port
on the carb.
> is blocked off (to prevent induction air leak).
>
> These carbs normally come with "AN" needles as "Standard" (bascially sea
level).
>
> At 5,000msl, you'll be looking for the weak
> needle....."GG" in this case.
>
> Cap'n. Bob '60 :{)
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