Indexing question
#1
Racer
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Member Since: Apr 2004
Location: Binghamton NY
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Indexing question
While some engines like the spark plug's gap open to the intake valve, there are still other combinations that make more power with the gap pointed toward the exhaust valve. Has anyone experimented with this on the base 5.7L ? Details would be appreciated.
#2
Le Mans Master
Without a dyno, there's no way know if indexing is actually working for your particular engine. You could spend hundreds of dollars in dyno rental for 4-5 hp max.
#5
Burning Brakes
They're Already Indexed From The Factory
BTW, I use anti-seize on the spark plug threads and use a steel spark plug chaser to clean the threads on each hole anytime I remove/replace a spark plug.