10° vs 14° Timing

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Foxslider

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Oct 25, 2019
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Houston, TX
On my to do list... But ill be running higher rpm 3-5500. Is it liable to make it detonate up top? I'll check it anyway, maybe go conservative, like 12. Will be running premium w/ octane booster.





(J/k bout the booster just ruffling some feathers lol)
 

FastDriver

My dad had a bra
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Also, some octane boosters do work. Torco and Boostane essentially turn 91 octane into 96. Not sure if that's what you were getting at, but I'm a skeptic of the snake oils out there, and I believe in them.
 

Foxslider

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Oct 25, 2019
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Right, not doubting it. Im sure most are legit for what they are. I was just joking about it, cuz its a pain to have it on hand for every fill up etc.. also cause some might be like dont run that crap for xyz reason.

Ya it is a lack of trust in how good they work.
 

FastDriver

My dad had a bra
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Sep 5, 2001
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I agree. Even on torco's bottles it claims higher octane than it gets to unless they're referring to RON and not R+M/2 like the pumps are rated... If not deceitful, it's at least misleading to the general public. But yeah, I would never tune my car to run more than what I get at the pump. I don't want to be stuck to putting bottles of stuff in the gas.
 

CHILL347

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Oct 27, 2019
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Back when I bought my car in '05 this is exactly what I did. Run premium fuel and set base timing to 14 degrees btdc. It actually does make a big difference. It will make your engine idle a little higher so typically you'd reset your idle after setting your timing.

Now I've got a MegaSquirt standalone computer so I don't ever have to touch my distributor again.
 
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