Thread
:
sbc cooling problem...
View Single Post
09-04-2012, 06:54 AM
#
8
TheYellaBrick
Senior Member
RACING JUNKIE
Join Date: Mar 2008
Location: Emmett, Idaho
Posts: 7,334
The plugs are going to read different with unleaded 10% than in the old days on leaded pure pump gas.
NOTE! You do NOT read the porcelain for Jetting !
"Ground Strap" = Heat Range
"Plug's Base Ring" = Jetting
"Porcelain" = signs of pre-ignition/detonation
EXCELLENT article;
http://www.angelfire.com/fl4/pontiac...Readplugs.html
Reply
TheYellaBrick
View Public Profile
Send a private message to TheYellaBrick
Visit TheYellaBrick's homepage!
Find More Posts by TheYellaBrick