Gain extra benefits by becoming a Supporting Member Click here find out how!
Silver
Gold ***Platinum***
Carl1962 (2)briski1971 dfwwingnut CowboyTrukr (3)sz0k30 (6)
Suburbazine (2)Gunk(7)markl350 (6)roseyintxCutlass442 (10)Rager
Chevyfan60 (10)JohnE (12)cnbell (11)Todd M (11)savina64
LRH (3)61ohboy66conv55_FEVER george88gta (10)BillOrton39
68 Bel-AirNitroholic (10)
warpwr (8)Lynn63 (5)
Jim.Biron (7)
1956chevy (2)
BMF-1955
Classic Performance Products
Ciadella Interiors American Auto Wire Art Morrison.com
Hellwig Products Inc Performance Rod & Custom
Exile® Battery Keeper™ 6/12 volt charger w/ LED battery monitor
Impala Bob's Bob's Chevy Trucks Bob's Chevelle Parts Bob's Classic Chevy

  >> Switch to Mobile Version <<

WIN / WIN

Use this to search for parts on Ebay
A portion of your purchase will come back to the site.
Username Post: A education on Spark Plugs
technitom 
Contributor
Posts: 248
technitom
Age: 45
Loc: Near Cincinnati, OH
Reg: 12-01-11
02-19-12 03:42 PM - Post#2192552    

OK, first off I never have bought into the hype of those high dollar spark plugs...

On GM products I've always run AC Delco R type plugs... Now, just talking about AC Delco here..

what is the REAL difference between copper core, iridium, platinum, and rapidfire platinum plugs?

is one really any better than the other?

I kinda understand how plugs/coils and plugs/engine size/CR/ works, but I am curious...

should I first try to match a plug to the ignition source and plug wires, then adjust hotter/cooler for CR...

for example, I have a 77 GM HEI... for that year, most V8's call for a r44t or r45ts

but my engine is a 1984 bored out 305 with factory heads and the stock plug for it calls for a R43ts...

I plan to pull the plugs in there now and read them, as soon as I get a warm enough day. but I wanted to just understand the "science" behind the different plugs
NOTE: You are viewing an individual Post. View the Entire Topic
FusionBB
FusionBB™ Version 2.1
©2003-2006 InteractivePHP, Inc.
Execution time: 0.16 seconds.   Total Queries: 15   Zlib Compression is on.
All times are (GMT -0800) Pacific. Current time is 05:42 AM
Top