ok i finally got atap for my truck actually i'm borrowing a buddies and i'm seeing upwards of 58 degress of spark advance is that normal and how much is too much lets say i'm getting zero knock retard right now and i want to add more timing till i do get knock so is there a point in which it not beneficial to add more timing? thanks

marc

<img border="0" alt="[Truck]" title="" src="graemlins/gr_truck.gif" />

 

58 degrees and im assuming your talking at part throttle. If your talking about at WOT i think thats a weee bit much <img border="0" title="" alt="[Razz]" src="gr_tounge.gif" />

at timing changes at part throttle are so drastic i dont really even worry about it. as long as you dont get any knock at WOT then your timing is fine. N/A i would shoot for ~27-30* if you are going to be running 93 octane.

 

yeah i was getting 58 degrees at 5500 rpm full throttle with no knock retard so would it hurt to add more timing? i mean could it still be beneficial or is it at the point where it wont give me anymore gains?

 

I'm getting similar readings on my truck-2000 5.3 I haven't checked the log to see if it's WOT. It's not. I just looked at a short log. I am not seeing more than around low 30's on even close to WOT.I haven't been able to do many wot runs because there isn't much pavement this time of the year <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" /> I am currently running superchips tuning and HPP correctionS w/3.73's auto

 

yeah i was wrong i feel stupid but its hard to read while your going full throttle anyways i'm getting 23.5 degress at wot.

marc

 

most ls1's see about 28+ degrees of timing, mine has about 32deg.

Me and my buddy set his truck at 29 deg and it runs a lot better, without any KR. Add that to the firmer shifts we got from ls1edit and that truck runs like a completely different animal. we put the stock file back in the pcm just for the hell of it,and what a dog. i can't believe they come like that from the factory.


allen

 

farm truc hay what kind of ls1 do you got 4.8,5.3,6.0 or 5.7 camaro and how much it cost you to do that mod