I was looking at Winbin today and in the values section there is a constant labeled 'Maximum spark advance' I think it was set at something like 42 degrees. I'm a little confused here as in the ignition timming 3d table some of the timimg values are higher than this value 48 was highest value I think.
Does this 'max spark advance' constant overide the values in the 3 d table ie it will never allow advance more than this value?
I have always had some pinking at low revs ie less than 2000 rpm under certain conditions even though my spark advance is unaltered I know a lot of people do with stock settings. I advanced all the spark values higher than 2200 rpm by 4 degrees and set the max spark advance value to 50 degrees and have noticed quite an improvement. Mind its hard to detect pinking at high rpm by ear I'll have to get the scan software hooked up. Infact I was going up a hill, road was wet and the back end broke away when it downshifted which it normally doesnt.
A reply to the earlier question would be appreciated.

Thanks
Simon

 

The 42d max is for calculated timing, any more then 45d of timing in the distributor will be prone to misfire.
So if you have an intial of 6, and then 42 in the calculations then the total would be 48.

More is not always better.

 

Thanks Grumpy, I have my base timing set at 8 degress both in the ECU and with a timeing light as you recommended in an earlier thread. So should I set the max spark advance to 37d?
I guess if you advance too far it will spark to the previous cylinder in the distributor.

On another subject is setting the injector size to the maximum size about 39 lb/h and the MAF setting to zero as close as I can get to switching off the injectors. Its to do with me running on propane where I need gas aswell at idle and high rpm/load and the gas switching off in between. Hence my Maf tables only have values in them in tables 1, 5 and 6 but I think fuel is still dribbleing in, inbetween.
Using a 29c256 and switching between upper and lower halves was a great find so I can switch between gas only or propane with gas assistance. My fuel costs are halved with no noticeable performance loss.

Simon