Leaderboard

After the BBQ, Les Collins Racing was able to squeeze me in for a look over and maybe a quick tune up. I was able to sit (stand) through the whole process as Josh went through balancing, changing the floats and we changed over the main jets a couple of times. The initial bench jetting (based of Les' recommendations) was close, but in the process of getting the Z driveable, another mechanic had gone to rich on the mains to combat the float levels being out. Lambda sensor attached, we went for a few drives trying to iron out the lean spitting down low, and sorted out the richness up top. Les jumped in for the final adjustments, changing the idle jets a couple of times and got it as close to perfect as possible. One of the downsides to OERs is sometimes they can be a bit lean on very slight throttle. Further modifications to the carbies will be needed, but that will be for another time and perhaps when we change from the HM style headers to the SWM headers. Aside from the above, Les/Josh didnt comment on the difference between them. Main positive is that the OER carbs I ordered are set up with Weber Jets, which makes tuning easier if you carry as many spares as LCR do. The downsides to Mikuni's these days is availability of spares, and some hardware are just complete odd ball sizes. And now for the first video after tune, as Les calls it: "An angry L28" *Note: this engine was NOT built/refurbed by Les Collins Racing, only the carbs were tuned there

After a couple of small set backs and trying to find the time to get some things sorted, new rocker cover gasket, replace the brake master and re-do the fuel hose path as we got it wrong the first time, finally got the Z for an alignment and also just made it to the annual Z BBQ at @Gordos. This car has not missed it since I have owned it. It made the drive from Berwick to Lilydale and back, with coughing and lean spitting, it still needed a good tune and the floats adjusted out of the carbies (OERs have float adjustment screws).