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Re: vacuum advance

To: "Brian Hollands" <bholland@hayes.ds.adp.com>,
Subject: Re: vacuum advance
From: "datsunmike" <datsunmike@nyc.rr.com>
Date: Thu, 5 Apr 2001 08:03:15 -0400
Everything is still available.

----- Original Message -----
From: "Brian Hollands" <bholland@hayes.ds.adp.com>
To: "Datsun Roadster Mailing list" <datsun-roadsters@autox.team.net>
Sent: Wednesday, April 04, 2001 8:49 PM
Subject: RE: vacuum advance


> Only other thing to note is that if you have the smog distributor, you can
> rebuild it with the proper 7.5 degree distributor cam.  Several places
used
> to sell the "distributor recurve" kits to do this.  If these aren't
> available anymore due the extreme environmental catastrophe that their use
> invites, I would think that you could weld and recut the slots in the
cam's
> base plate to alter the total amount of mechanical advance.  I don't
> remember as I recurved my dist. years ago - do the two versions use
> different weights and springs?  I think I remember replacing the springs
but
> I don't remember if that was necessary or just a good idea.
> Fairlady sells an electronic distributor also.  Anyone got any experience
> with that?
> Brian
>
> A smog distributor is 15 degrees cam, 30 degrees crank. 30-30=0.
> Yup: smog cars get set 0 BTDC which is why off-the-line performance
> sucks, errr, I mean, is poor. Give it a few degrees advance and it'll
> run MUCH better. It'll also melt a piston pulling a hill :-(.
>
> p.s. When you take apart the distributor, the advance plate will
> have either a 7.5 or a 15 stamped on it. Now you know what that
> number means!

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