So I set the new revlimit record
#1
Kevlo for President
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iTrader: (36)
Join Date: Dec 2000
Location: Lake Orion, MI
Posts: 35,779
So I set the new revlimit record
BY ACCIDENT
I have a spike in fuel starting around 6000, I know this and I know why so don't say ****.
Timing jumps at 6600 so I am gonna have to do something about that. It didn't feel like it was knocking.
So you might be wondering why I took the rpm's so high... I set the limit to 7200, I floored it in neutral and it never stopped!!!!! The ONLY map that goes past 7200 is the NCVS map, the Revlimt LIMIT was 7200, the Injector map and Ignition map both stop at 7200.
I have a spike in fuel starting around 6000, I know this and I know why so don't say ****.
Timing jumps at 6600 so I am gonna have to do something about that. It didn't feel like it was knocking.
So you might be wondering why I took the rpm's so high... I set the limit to 7200, I floored it in neutral and it never stopped!!!!! The ONLY map that goes past 7200 is the NCVS map, the Revlimt LIMIT was 7200, the Injector map and Ignition map both stop at 7200.
#9
Originally Posted by Zack342
I mis-shifted and hit 8600rpm
#18
I was asking....I thought it was the same setting.
Do you feel the ignition cut is better, then a fuel cut?
Do you feel the ignition cut is better, then a fuel cut?
Originally Posted by DandyMax
Why not? It's a separate setting. I don't launch at 7800...
#25
I am not sold on one being significantly better than the other.
An ignition cut wastes fuel yes, but if it kicks in like a 2-step it's not as hard as slamming the wall like the stock ECU cut (removing almost all fuel).
A soft fuel cut (reducing PW but not to zero) gives you a softer cut yes but if you've got the foot on the floor the engine momentum and the effect of the interpolation between cells will still carry you up past the cut a ways.
And, would a soft fuel cut (suddenly lean mixture) on a FI car at high rpms cause problems? I don't know. Maybe it's occurring quick enough (ie for a short enough duration) the engine can survive it. What kind of cuts do FI cars typically have?
An ignition cut wastes fuel yes, but if it kicks in like a 2-step it's not as hard as slamming the wall like the stock ECU cut (removing almost all fuel).
A soft fuel cut (reducing PW but not to zero) gives you a softer cut yes but if you've got the foot on the floor the engine momentum and the effect of the interpolation between cells will still carry you up past the cut a ways.
And, would a soft fuel cut (suddenly lean mixture) on a FI car at high rpms cause problems? I don't know. Maybe it's occurring quick enough (ie for a short enough duration) the engine can survive it. What kind of cuts do FI cars typically have?
#26
Originally Posted by DandyMax
A soft fuel cut (reducing PW but not to zero) gives you a softer cut yes but if you've got the foot on the floor the engine momentum and the effect of the interpolation between cells will still carry you up past the cut a ways.
And, would a soft fuel cut (suddenly lean mixture) on a FI car at high rpms cause problems? I don't know. Maybe it's occurring quick enough (ie for a short enough duration) the engine can survive it. What kind of cuts do FI cars typically have?
#27
Originally Posted by IceY2K1
I figured...*KABOOM*, however viewing jeremeys' hard fuel cut logs, apparently for at least 600rpm or so.
#29
Originally Posted by IceY2K1
I think many use ignition cut along with cutting boost.
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