How much does JWT advance the timing?
stuff like that generally isn't known..
the ECU runs stock timing at idle/no load, so when you check it, you set it to stock timing.
once you fire up the engine and get it running is where it does its magic.. and you can't see that with a timing light.
the ECU runs stock timing at idle/no load, so when you check it, you set it to stock timing.
once you fire up the engine and get it running is where it does its magic.. and you can't see that with a timing light.
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the reason I ask is because i was on Aaron's website and he had his timing advanced to 28' degrees and runs 100 octane. So i was thinking of advancing the timing on my car even more and running a little more octane in my gas. But before I can do that, i need to find out what JWT sets it at. Guess i'll have to call them in the morning. 
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Originally Posted by 5 ltr. beater
the reason I ask is because i was on Aaron's website and he had his timing advanced to 28' degrees and runs 100 octane. So i was thinking of advancing the timing on my car even more and running a little more octane in my gas. But before I can do that, i need to find out what JWT sets it at. Guess i'll have to call them in the morning.
Originally Posted by Aaron92SE
What's wrong with 28 degrees? You can easily run 25 degrees on 93 octane if you keep your engine temps below 210. When I was tuning with my ZEMulator with the 300zx ECU, with 100 octane, I advanced the timing another 20 degrees above my previous knocking point with 93 octane. I could probably advance it to 35 degrees easily before it starts to even think about pinging with 100 octane fuel. Especially considering that I don't let my car ever get above 165 degrees at any given moment on the track. It's hard to hear detonation without a muffler and your cutout open at the track. So I decided to play it safe.
edit: The JWT ECU is supposed to bump the timming 9* AFAIK.
Originally Posted by eric93SE
Aaron, advancing the timming is supposed to give a lower timming number not a higher one, advancing is igniting the mixture sooner not later. Its been a while since I've check my base timming, but now I don't have timming marks on my prototype UDP to check the timming. I have my CPS marked for stock timming and four degrees advanced (11* BTDC).
edit: The JWT ECU is supposed to bump the timming 9* AFAIK.
edit: The JWT ECU is supposed to bump the timming 9* AFAIK.
28* is crazy. If I ran almost 15* of advance on my mustang it would run like crap and probably detonate to hell(I use that as an example because there is no ECU to pull back the timing or to adjust the advance maps). The ECU has to be pulling some back. There is fine tuning, but there is a limit. Think about how far away the piston is from TDC at 28*.
Originally Posted by MrGone
That would be retarding it. Aaron has his set to ignite 28* before top dead center. Stock is 15, most people run 18-20. Actually I think you said you have yours at 18 a long time ago and couldn't feel a difference between 18 and 20*.
28* is crazy. If I ran almost 15* of advance on my mustang it would run like crap and probably detonate to hell(I use that as an example because there is no ECU to pull back the timing or to adjust the advance maps). The ECU has to be pulling some back. There is fine tuning, but there is a limit. Think about how far away the piston is from TDC at 28*.
28* is crazy. If I ran almost 15* of advance on my mustang it would run like crap and probably detonate to hell(I use that as an example because there is no ECU to pull back the timing or to adjust the advance maps). The ECU has to be pulling some back. There is fine tuning, but there is a limit. Think about how far away the piston is from TDC at 28*.
Whoops, your right. Had to read a little and straighten myself out
sorry
I'm not sure if you will ever get that specific info. I suppose if Aaron had the maps somehow or if you hooked up the consult and read the ign maps you might get it. But don't count on JWT giving you the info. 
It's not just the base timing. It's the timing curve. Just advancing the base timing will of course advance the timing curve also. The JWT unit might advance and then retard the ign curves depending on what they tuned it to. Something just advancing the base won't do.
I suppose you could play around with it. But IMHO running such high octane might not be that great for everyday driving. Maybe for a track only setup. If you want to do some real tuning, try getting a SAFC and a Wideband 02 and play with that. Or spend some time on the dyno with the wideband and see what you can get out of it. If the ign curves are okay except for a few points in the rpm curve, you might be able to richen those specific points up and supress the knock and still run a good a/f and timing everywhere else.
Anything else is just a crapshoot.
It's not just the base timing. It's the timing curve. Just advancing the base timing will of course advance the timing curve also. The JWT unit might advance and then retard the ign curves depending on what they tuned it to. Something just advancing the base won't do.
I suppose you could play around with it. But IMHO running such high octane might not be that great for everyday driving. Maybe for a track only setup. If you want to do some real tuning, try getting a SAFC and a Wideband 02 and play with that. Or spend some time on the dyno with the wideband and see what you can get out of it. If the ign curves are okay except for a few points in the rpm curve, you might be able to richen those specific points up and supress the knock and still run a good a/f and timing everywhere else.
Anything else is just a crapshoot.
Originally Posted by 5 ltr. beater
the reason I ask is because i was on Aaron's website and he had his timing advanced to 28' degrees and runs 100 octane. So i was thinking of advancing the timing on my car even more and running a little more octane in my gas. But before I can do that, i need to find out what JWT sets it at. Guess i'll have to call them in the morning.
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