Shaun,
I have always run BP6ES plugs in my de-smogged and re-calibrated '69 U20. I
use resistor plug wires rather than the resistor plugs. Radio interference
doesn't seem to be a problem. And, judging from the nice tan color of the
ceramic, the heat range and mizture are OK. The first tune-up kit I bought
for my roadster from a Nissan dealer in 1971 had BP6ES plugs.
Gary
----- Original Message -----
From: <toolmansj2@comcast.net>
To: "Roadster list" <datsun-roadsters@autox.team.net>
Sent: Tuesday, May 18, 2010 8:54 PM
Subject: [Roadsters] sparkplugs and hardtops
> Hi Everyone I need your words of wisdom.
>
> When I look on the NGK web site for 1969 u20 it is telling me to use
> bpr5es or bpr5ey.
> Everywhere else I look it says to use 6 series plugs which are a step
> colder. Is there any logic to this?
>
> On another note I have a port hole hardtop that needs a seal are there any
> good sources for a new seal.
> I think the top was made by custom hardtops out of so cal
> Thanks For The Help
> Shaun .
>
> 1969 2000 U20
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