Welcome to Miata Turbo Forum - Turbo Kitten is watching you test compression.
Welcome to Miata Turbo Forum - Turbo Kitten is watching you test compression.
You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!
Just got off the dyno. Got it back up to 172hp/146tq at 10:1
I need to test my FMU to see why it's so rich. I couldn't lean it out no matter what I did! I had my MBC maxed so I couldn't add more power to lean it out. I'm pretty sure it's the FMU and I'm sure if I can lean it out it will make lots more power. But driving home it seems to pull WAY harder than it ever did and the curve itself looks a lot nicer. I'll have it posted later on, no scanner right now.
__________________
'91 1.6t - MS3-Pro
Since President Lyndon B. Johnson declared “war on poverty,”
U.S. taxpayers have spent $15 trillion on so-called anti-poverty
programs—a figure slightly less than the national debt.
It's nearly identical to my last dyno, the only difference is that I lost some low end torque, but the horsepower stills higher longer. And as you can see I need to work the a/f, once I get that figured out I'm sure I'll be making more power than that.
I'm pretty sure I need a 6:1 ratio not a 8:1 ratio that I put in.
The damn thing still pull like bloody hell up 125mph. Pulls a lot harder than it did before. I should have video form a car behind me on the track that caught it blowing flames out the back during a shift (heh heh).
youll be pleasently surprised if you lean it out more...my car was bucking and coughing at anything under 10:1afr,,, i picked up between 7-10 Rwhp going from 11:1 to 12:1 so you can see what sort of gains youll get.....have a look at my nice flat E manage curve!!!
BTW ive noticed that many FI'd cars seem to have a HP dip at about 6000-6100rpm...must be a quirck of the engine.....
Are you referring to forced-induction Miatas? I've never really noticed that. In fact, I just went looking at a bunch of Miata dyno charts and didn't really see that phenomenon on any of them. It sounds more like maybe a slight misfire or related issue. If the spark's gonna blow out, it'd be more likely at higher RPMs, I would think. Or maybe you've got too much timing pulled.
Braineak, I've slacked on sending you that pressure guage. I've got it sitting on the passenger seat downstairs. It will be in the mail in about 2 hours I PROMISE!!!