The heat shields may cause more harm than good. They tend to trap crud
(and even rocks, for our more adventurous/crazy members). You can
safely remove them, just be sure to do it with the plugs IN, then clear
out all around the plugs with a blast of compressed air to ensure
nothing's in there that could fall into the cylinder (that would be,
um...bad).
I've had my 3923s for 2 months or so now, and have a totally stock
engine. Other have been running them a very long time. I never heard
of a "competing" plug that folks were really digging in the year I've
been here. If you've got any pinging (most 97-99 V8s have at least a
little), the 3923 can help. Unless you drive almost exclusively in stop
& go city conditions, you won't have any problems with them.
jay & dana wrote:
>
> I know lots of DML'ers use Autolite 3923 sparkplugs. Have you all used them
> for a long period of time? Was there any other sparkplug used that had such
> a following before the 3923's? The reason I ask is my engine is basically
> stock and I don't think I need a colder "performance" plug yet.
> Also, on a 97, 318 is it advisable to remove or leave in the round metal
> "sleeves" that surround the sparkplugs? What is the purpose of these? It
> would seem so much easier to take the boot off the plug and the plug out
> without these there.
>
> Thanks in advance
> Jay
-- -andyhttp://home.twcny.rr.com/andylevy/ --- andylevy@bigfoot.com ------------------------------------------------------------- "I spilled spot remover on my dog. He's gone now..." --- Steve Wright -------------------------------------------------------------
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 11:54:40 EDT