My dyno numbers

synolimit · 04-25-2014, 04:48 AM

Quote:

Originally Posted by Jordo!

There's a bunch of transient modifiers that can lead the ECU to pull back a bit of timing, the big ones being oil temp and IAT. In PR with 92* F temps, I could see that initial run being on the low side on 91 AKI if there was even a hint of knock.

Also, I have no idea what correction factors were used -- that's going to bump things up or down by a few points.

That said, I think it boils down to a slightly low baseline dyno and a slightly high reading post-mod dyno, but the overall proportionate gains don't seem wildly off base.

It would be interesting to see what it puts down on a dynojet with SAE correction, that's for sure.

Yeah that could be. it does look like a richer run before which helps keep timing up and knock at bay. After it leaned way out which will add power but could help produce knock more. Either way though the graph looks to good to be pulling timing from knock but like you said it could be low on timing if his IAT was way up. But again I don't think so just because 270 hp is such a great average stock number.

I bet you're right, correction changed or something. With these mods, SAE, dynojet he'd be right where I was, about 280hp. I just think filters are good for about 10hp and CBE's don't do to much.

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