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N/A 05 NB2 130k miles, good compression. RB header, Roadstersport 3 exhaust. MAF removed.
Torquey, but not a lot of top end.
Should I be seeing more? Tuner said that this was about as much as the engine could make.
120 peak at the wheels, would be 138 at the crank. I spent all the money to make stock power?
Car was dynod at 147Whp at another dyno pre-mods, so I'm going to go back there to see if I've gained or lost relative to that dyno's 147whp.
147 seems optimistic, 120 seems low. You can not compare dyno to dyno numbers when 5-10 hp is considered a major gain/loss unless you have extensive experience at both dynos.
147 seems optimistic, 120 seems low. You can not compare dyno to dyno numbers when 5-10 hp is considered a major gain/loss unless you have extensive experience at both dynos.
I figured 147 was high on a stock ecu. Hence why I want to go back to that dyno and see if I gained/lost power in relation to its 147.
Well, the shape of that curve looks funky to me. An NA VVT should have a plateau to 5700 or 6000, yours crashes at 5250 or so. This is what I would expect the shape to be.
Mistimed cams can look like this. If you drop the VVT to 0 degrees after 4500 and autotune fuel, does VE increase up there?
Seems like a silly thing to mention, but back up the upne prior to making changes.
Well, the shape of that curve looks funky to me. An NA VVT should have a plateau to 5700 or 6000, yours crashes at 5250 or so. This is what I would expect the shape to be.
Mistimed cams can look like this. If you drop the VVT to 0 degrees after 4500 and autotune fuel, does VE increase up there?
Seems like a silly thing to mention, but back up the upne prior to making changes.
I was expecting a plateau as well. The stock dyno (my car), had it. (I have to find it’s graph).
As far as I know, my cam timing has not changed. I will pull my VC and check the cam gear alignment. Would that help?
Certainly could, have you done a timing belt recently?
Nope. I did a valve cover gasket about 4K miles ago, and timing belt looked brand new. It’s possible the belt had just been done for it’s 100k mile interval.
03-17-2020, 12:16 PM
NB2 VICS + MS3
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