LS1 5.7L the best spark plugs?
09-14-2010, 10:51 PM
#1
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LS1 5.7L the best spark plugs? I want to do a tune up on my engine and i just want to know what the best spark plugs would be for an ls1 engine 5.7L?? Thanks for your help! 
09-15-2010, 09:45 AM
#3
I'd agree, if you're not going to be spraying any nitrous or adding more compression via a head swap or similar, then the NGK TR55's would be perfect for you!
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Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
09-15-2010, 10:46 AM
#5
For a stock or bolt on engine, AC Delco Iridiums are best. Thats what I run in my car, and they have been great. They provide the best spark due to their fine wire design, and are also designed to last around 75,000 miles, which is a nice benefit.
09-15-2010, 12:17 PM
#7
There's plenty of good plugs out there. Personally, I prefer nothing fancy since most of the new fangled plugs are just marketing schemes anyway. My preferance has been with Autolite Race plugs with the cut back straps. You can't kill them and they are made in the USA.
