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MOP
05-27-2004, 11:47 PM
The 383 will be done sometime next week, though may not be running for a few more weeks while other stuff gets done. So many loose ends! Being out of the hot motor thing for many years looking for advice on plugs. Compression will be 9.2 if that helps any.

Phil

Rootsy
05-28-2004, 07:25 AM
Standard heat range will be fine... anything in the UR-5 or AC Delco R43TS heat range...

R43TS in my mouse and the break line on the ground strap is right where it should be according to that article :D

MOP
05-28-2004, 07:30 AM
Thanks guys! Had a hunch stock would work but nice to be reasured, got a bunch of bucks in this thing.

Phil

Forrest
05-28-2004, 08:34 AM
I too concur with the NGK UR5 or equivalant, unless of course, you are using some old non-taper-seat-plug heads like the old 2.02ed 441 heads on my 383 in my X-18.