25-08-2014, 04:47 PM
Right a few things. Firstly, seeing as it idles on scatter spark, 14.6 is fine. You will find scatter spark engines idle much richer normally (like it should do when its cold?)
Secondly, just remember that richer is safer than lean. If its going properly lean (15-20AFR) when booting it then its just going to start melting stuff pretty quickly. If its going rich, (10-15AFR) then the worst that can happen is bore wash and lack of power....but that doesn't mean thats safe. Just safer than lean.
Like i said above, you don't want to see below 12.8ish. Yeah very occasionally it may drop for a split second or when driving on a steady throttle, go high for a split second. That can happen. Its just sustained AFRs outside the 12.8-14.7 range that you need to start questioning why.
Like i said on whatsapp, get a cable for the ecu and get a log done and ill take a look.
Secondly, just remember that richer is safer than lean. If its going properly lean (15-20AFR) when booting it then its just going to start melting stuff pretty quickly. If its going rich, (10-15AFR) then the worst that can happen is bore wash and lack of power....but that doesn't mean thats safe. Just safer than lean.
Like i said above, you don't want to see below 12.8ish. Yeah very occasionally it may drop for a split second or when driving on a steady throttle, go high for a split second. That can happen. Its just sustained AFRs outside the 12.8-14.7 range that you need to start questioning why.
Like i said on whatsapp, get a cable for the ecu and get a log done and ill take a look.
Team Eaton
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft
1999 China Blue 306 GTi6 - Eaton Supercharged - 214.5bhp 181lbft