weird egt and knock problems

[overdoseheroin]

i was logging some pull a nd with a shot of 115 mixed with 94 i get no nock at 20 psi with 14b and 2g mas with safc. when i run just pump i add about 6 percent back to the afc and it runs respectable, but today for some reason when i was doing a 2-5 pull as soon as i hit 5th the knock count went to 33 and timing fell from 25 to 9. after that i went and got a shot of race gas to see if i could get rid of the knock and it did nothing, also the egt's were just buring the gauge, usually they stick around 1400-1500 but no more. it was doing it for a while and i got pissed and quit driving it, then i get back in it lik e2 hrs later and log a few pulls and nothing..no knock, timing hit 27 degrees in 3rd and held 25 through 4th and seemed to be running pig rich. i thought maybe my walboro was taking a shit but now it seems to be ok. any suggestions as to why it was doing what it was? i was stumped.

 

[1LE]

If you're still running the stock FPR, this would be your warning sign that it's about to puke and you need to get a good AFPR in there to handle the Walbro BTDT...