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      01-05-2010, 09:01 AM   #23
TheKosherStogie
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most stock cars read 310-315 on Gintani's dyno....i never did stock pull on mine...but with the akra exhaust and afe filter i dyno'd at 330whp, just for reference.
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      01-05-2010, 09:27 AM   #24
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Quote:
Originally Posted by sammyrusso View Post
most stock cars read 310-315 on Gintani's dyno....i never did stock pull on mine...but with the akra exhaust and afe filter i dyno'd at 330whp, just for reference.
Yes, that is close estimate to what they normally put down, although there are a few stock M3's that have recorded higher numbers. (bone stock)

Ed's numbers are low even if you factor in the normally low readings on that dyno.

These five dyno's done in late December (in excellent atmospheric conditions) with a high performance air filter installed...are not normal. (especially the first two pulls)

Something is up with his car...
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      01-05-2010, 11:31 AM   #25
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Quote:
Originally Posted by 330CIZHP View Post
Some cars need more air than others. Particularly, high revving engines with very high compressions.

That is why this affect will not show consistently across different cars on the same dyno since most cars do not rev over 6500 rpm.

S65 needs more air than most engines (hence the 3 intakes rather than 1).
What I meant was to get data for other E9x M3's on the same dyno.
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      01-05-2010, 12:26 PM   #26
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Quote:
Originally Posted by Lemans_Blue_M View Post
Yea Ed, you are definitely down on power for some reason.

298rwhp? That's equivalent to 28% drivetrain loss...

That's low even for a Dyno Dynamics. (which does read conservative)

Given the 69 degree air temps during these runs, those numbers should be higher.

With a Macht Schnell free-flowing aftermarket air filter (in place of the restrictive stock charcoal-impregnated paper filter) your car should have made some consistent runs in the 315-325 rwhp range on 91 octane fuel.

Again, we aren't talking about 95+ degree temps in the middle of July here.

Yes, I do agree that your 20" wheels did drive your number down a little bit, but a sub 300rwhp number is very low for the E92 M. (in cool weather conditions)

Three of your five dyno pulls were 306 rwhp or less.

Four of your five dyno pulls were 307 rwhp or less. (that eliminates the chances of some random anomaly)

And the worst two pulls average out to ~ 300rwhp. (298 & 301)

That's low dude...

It indicates a pattern.

I suggest that you check your ECU's OBD-II port for any stored engine codes. (and post the results here)

Also make a return trip to the dyno (with your stock wheels installed) to remove the LM-R's from the equation.

I don't believe your 20" wheels are the source of the problem, since they are only 25.3 & 25.5 lbs each. (front and rear)
Well, is it true that our engines get more HP with the engine running hotter? Alex was saying that as the engine gets hotter, the more HP one gets on their M3.

Maybe my filter is filthy. It could be that as well.

Hrmzzz. How do i get the stored engine codes? Is there a way for me to do it myself?

Quote:
Originally Posted by sammyrusso View Post
most stock cars read 310-315 on Gintani's dyno....i never did stock pull on mine...but with the akra exhaust and afe filter i dyno'd at 330whp, just for reference.
Yea, thats what Alex at Gintani told me too!

Quote:
Originally Posted by Lemans_Blue_M View Post
Yes, that is close estimate to what they normally put down, although there are a few stock M3's that have recorded higher numbers. (bone stock)

Ed's numbers are low even if you factor in the normally low readings on that dyno.

These five dyno's done in late December (in excellent atmospheric conditions) with a high performance air filter installed...are not normal. (especially the first two pulls)

Something is up with his car...
NO CLUE!!! bah! Gotta find out. Or get Megan tuned later.

Ed Lin
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      01-06-2010, 06:25 PM   #27
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very nice results
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      01-14-2010, 06:23 PM   #28
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car looks great man
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