CPS and octane level
#1
CPS and octane level
If one were to advance their timing all the way on the CPS would they have to put in octane booster or a much higher octane gas, or is there a limit and it doesn't make a difference?
#2
funny.....I asked a similar question 2 months ago, except I added that I already have the JWT ECU. Anyhow, According to most of the VE enthusiasts, you can go as far as 19 degrees BTDC and always have to run 91+ octane. However, Aaron92 i think runs 29 or so degrees timing on his VE, but that's running 100 octane in his fuel.
So to answer your question, you can PRETTY MUCH go as far as you want, you just need to add the right amount of octane to go along with it. However you can go too far in advancing the timing and actually loose power.
So to answer your question, you can PRETTY MUCH go as far as you want, you just need to add the right amount of octane to go along with it. However you can go too far in advancing the timing and actually loose power.
#3
Originally Posted by 5 ltr. beater
.... you can PRETTY MUCH go as far as you want, you just need to add the right amount of octane to go along with it. However you can go too far in advancing the timing and actually loose power.
I would not go beyond 20deg. regardless of octane; with this engine, with this knowledge as my barn is not even half-full of max engines.
#6
Originally Posted by Akuma2001
is that 20 deg advance from the furthest retard timing point?
Check out for the maintenance manuals, links on my web page.
PM Jeff, Danny and/or Craig what they suggest to do with u VE ignition...
Are u sure your knock sensor is functional? If its not, your ign is always retarded some 10 degrees... It may be reliably tested with Nissan Consult tester, or DIY bypass resistor. (Rent or Buy($180) that tool @ AUTOZONE)
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