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I do something similar.

Unless you've got a boroscope, start with disassembly and figure out where the hole is. I dropped a valve once:

Please post back if you're successful. I was never able to get a signal that worked with my DL1.

I'd be interested in your E85 results. I've got an AEM system and injectors waiting for a break in the season to get installed. Are you using an engine dyno, chassis dyno or some other method? Mine is in this:

I'm running an extended hose with a high enough loop that it doesn't come out. (Eighteen inches or so.) I've terminated the hose in a water bottle with holes to breathe. It was a quick fix one day that I intended to improve on, but i've never had oil in the water bottle and have had other...

Not a ton of new to report. The engine set up is running pretty darn good. With the clutch changes (going stiffer setting on secondary) I'm getting expected results. Finally hit 1.158g forward acceleration on Saturday's run. (Previous best was .9g.) A couple of videos: This weekend...

I've been having fits creating gauges that will show the boost and AFR. In the meantime, here is one with minimal data. The GNS engine made it through 7 runs with no issues. Need to start playing around with clutch settings. [video width=600...

Ran more laps at a PCA event this past Sunday. Getting much closer now. I'm working up the video with data overlay and will post as soon as it is complete.

I didn't turn up much in a search for hooking up an aftermarket tach, other than the blue/yellow wire, which agrees with the wiring diagram I've got (Apex). However, I'm not getting a signal to the tach or data logger. I'm getting a pulsed voltage if I hook up my DVM, but nothing on a gauge...

It certainly wouldn't hurt, but I'm thinking it will be easy to drive around. It would be nice to shoot flames out the turbo though.

Yeah, we spend very little time at full throttle. But I still use every hp availabLe at some point on the course. Those wings have an astonishing amount of drag. A lot depends on the individual course design. The more open, the more throttle. Or if there are pinch turns, more throttle coming out...

Ok, here are a couple quick videos from the last event. This happened to be one the national events, so it isn't a great place to test/tune. Both videos are from the same run. Car mounted GoPro: Slow motion filmed by a friend (and professional) who was playing around at the site...

Ive been lacking -busy busy with work. Will post some video soon. 18# of boost is a hoot!

Wow, boost is addictive! Had a great deal of fun running the car this weekend. We've got it in the ball park now, so I will begin data logging next weekend to really fine tune. Still getting used to the extra power and different power delivery. Anyway, really tired, but VERY happy. Quick...

Here is a quick video from this weekend. This was just a shake down run, making sure the subsystems were working ok and no fluids were leaking. A few runs up and down the slaloms at part throttle will usually make problems known. Next race is in two weeks. I'll try to get actual video there...

Was a pretty packed weekend. I'm still only doing testing at this point, so no actual racing. I'm REALLY happy with this system that Greg has developed for me. This new motor is much better than the previous. Great throttle response. Easy starting. Much quieter than the two stroke. I was...

Here is a pic from when it was sporting the leaf blower.

It had a skirt all the way around it and a leaf blower sucking the air out from under the car. All that surface area produced tremendous stick. The wings are designed to start having some aerodynamic effect as low as 35mph. With the new set, I'll be able to run on the top of a tunnel at...

I run with the SCCA Solo (autocross) group. So, parking lot racing around a bunch of cones. The class I run in is A Modified, which is the theoretical top class. Very little restrictions, up to 20 square feet of wing in top view, 900# minimum weight. This particular car was built in the...

On the motor or the car?