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Username Post: A education on Spark Plugs
grumpyvette 
Senior Chevytalk Moderator -- Performance Subject Matter Expert --
Posts: 16197
grumpyvette
Age: 66
Loc: FLORIDA USA
Reg: 03-16-01
02-25-12 06:29 AM - Post#2194941    
    In response to technitom

,ITS important to understand how and why things work,but To give a quick answer, generally you use a vacuum gauge on a STOCK engine to set timing by hooking it up to plenum vacuum , set the idle to normal idle speed (usually 670rpm-850rpm)and adjust timing to max vacuum reading, this DOESN'T,T ALWAYS result in the best possible timing but it will generally be fairly close on a DEAD STOCK ENGINE

http://www.centuryperformance.com/tuning-with-a-va...

http://forum.grumpysperformance.com/viewtopic.php?...

ARCing like that can be the result of improper instal on the carbon button or failure to use a silicon sealant grease on the rubber insulator washer that holds it in place under the coil in the cap.

" " IF YOU CAN'T SMOKE THE TIRES FROM A 60 MPH ROLLING START YOUR ENGINE NEEDS MORE WORK !"


Edited by grumpyvette on 02-25-12 07:02 AM. Reason for edit: No reason given.
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