It was the hottest day of the summer as far as I can tell.
Perfect for a dyno day on gasoline
15.5psi of boost 530rwhp
cutout makes the a/f curve go leaner than it really is.
Turbo will support at least 650rwhp, now that I have some baseline data I can safely proceed to the heavier gate springs and bigger injectors and alcohol fun.
The search for power never ends. No matter how much it makes, we will generally want more. Isn't that how it goes? One of the greatest parts about turbo cars is that you can always turn up the boost- just feed the engine and let the boost add as much power as you can stand. The turbo even has 'drop in' upgrade option to support something like 900+ if I wanted to. But that's just crazy oO ....yeah
Engine produces a VERY smooth flat dynojet power to redline, very healthy 3rd gear 40+ mph pulls. It's kind of important to see a somewhat flat power line to redline for a given combo which is well put together.
Remember you would never actually nail it at 40mph in 3rd, instead it will downshift to 2nd so there is no delay. However for the purpose of dynojet I lock it into 3rd gear so we can see how she spools as if there was no second gear. Again, its baseline data for me. This is my first LS engine I just needed to see these things with my own eyes.
Most of those 500rwhp passes looked like this:
As I play with timing and fuel a little, the graph changes very little, this is a great sign.
No sign of oil smell, no aspiration, no smoke, it ran perfect never misfired once, since I've owned it.
Based on what I saw this day, the engine will support 20 maybe even 23 to 24psi boost on gasoline. Another 150~ft*lbs of torque potential on gas!! I'm not going to waste another dyno day for just that though. I will perform quite a few changes and then go back with a 'whole new car' if I get time to work on it. Otherwise just leave it the way it is and keep driving forever. I drive this car with 1 finger on the steering wheel most of the time, the other holding a drink, its a pleasure, its easy to drive, it doesn't go sideways when the tires spin, torque management is really helpful. It @()*#@ing moves... that auto and yank converter really give it an unfair advantage over manual cars. By the time they let out that clutch pedal... its too late. pretty happy with 500 atm gonna leave it like this for as long as I can stand.
Here we can see:
blue line = 3psi cutout closed
red line = 7 to 8psi cutout closed
orange line = 14.5psi cutout open
not shown = 10 to 12psi cutout closed (380 to 400rwhp ish)
Enjoy most of the dyno runs on video
https://www.youtube.com/watch?v=okc5BzxD2qE