This past Sunday, the Chicago Grand Prix Club held it'* annual dyno day. We had 21 cars run that day.
I wanted to run the Bonneville even though it wasn't tuned all the way. I just had my TOGs, GenV and N*/LQ4 MAF installed by local member (Ron Vogel) the night before actually the TOGs were installed the week before.) He got done with the car at midnight on Sat and only had 90 minutes to do a quick tune.
As for the dyno, I did three runs with the wideband O2. Car was in 2nd gear at normal operating temp for all three runs:
270 whp/269wtq. My WOT AFR started at 12.4 with 1* of KR and steadily increased to 5-6* of KR by the end of the run. Since I was running alittle lean, they let me make a quick tuning change on the dyno. I removing a degree of timing and increasing my PE fueling by 5%.
~269whp/~268wtq. My WOT AFR looked much better (~11.6....I had about 0-3* of knock throughout the run.)
268whp/267wtq. About the same as run #2.
After I got the dyno chart, I noticed that the end of the run that my AFR dropped like a rock and I was running rich. I'm sure if I could of had a chance to lean it out that I would of got more out of the car.
OVerall I'm happy with the results. My previous dyno was 241whp.
I can't wait to get my W-Body Store IC installed. :P
Here'* a quick vid of the second run:
Dyno Run #2