Spark Advance 1998 Gt!!!!!!!!!

ace1_15 · 10-07-2006, 08:34 AM

Hey guys, I want real answers please!
What do you guys suggest spark advance timing for a automatic 1998 gt (midly moddified) runs mostly on chevron 91 octane or shell 91 octane. I tune it with a diablo sport tuner. How many points should i advance it that will considered to be safe for my engine. I usually dont put octane boosters so if you guys could give me settings for with and without octane booster. I want honest answers please. My tuner goes in incraments of .5>1.0>1.5>2.0
THANK YOU

r3dn3ck · 10-07-2006, 08:50 AM

for max power, advance until you hear pinging at WOT and then back it off a notch or two. If it starts bucking at low speed, back it off another notch. Old school method but it works.

10-07-2006, 08:34 AM	#1 (permalink)
ace1_15 Junior Member Join Date: May 2006 Posts: 9	Spark Advance 1998 Gt!!!!!!!!! Hey guys, I want real answers please! What do you guys suggest spark advance timing for a automatic 1998 gt (midly moddified) runs mostly on chevron 91 octane or shell 91 octane. I tune it with a diablo sport tuner. How many points should i advance it that will considered to be safe for my engine. I usually dont put octane boosters so if you guys could give me settings for with and without octane booster. I want honest answers please. My tuner goes in incraments of .5>1.0>1.5>2.0 THANK YOU

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10-07-2006, 08:50 AM	#2 (permalink)
r3dn3ck Wowbagger hates me too! Join Date: Nov 2005 Location: Magrathea/California Posts: 7,014	for max power, advance until you hear pinging at WOT and then back it off a notch or two. If it starts bucking at low speed, back it off another notch. Old school method but it works.