I think vtec engagement point should be lowered!
02-02-2001, 07:26 AM
#1
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Case and point.
Now these were before I replaced the TB, but there is that nasty dip from ~5600-~6000RPMS. (I bet that is why vtec surge is so pronouced)
Wouldn't lowering the vtec point to ~5.6k help remove that "lag/drop"?
What else could one do to straighten it out?
Now these were before I replaced the TB, but there is that nasty dip from ~5600-~6000RPMS. (I bet that is why vtec surge is so pronouced)
Wouldn't lowering the vtec point to ~5.6k help remove that "lag/drop"?
What else could one do to straighten it out?
02-02-2001, 07:52 AM
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I bet you would still get those dips before the lowered VTEC engagement point. I think that the ECU anticipates a
VTEC engagement based on RPM and throttle angle readings and adjust fuel/ignition to prevent lean-out when the cams transition to the higher lift/duration lobes. These modfied setting just don't jive as well with the normal cam lobes, hence the dip in power. Just a though though...
-koejing
VTEC engagement based on RPM and throttle angle readings and adjust fuel/ignition to prevent lean-out when the cams transition to the higher lift/duration lobes. These modfied setting just don't jive as well with the normal cam lobes, hence the dip in power. Just a though though...
-koejing
02-02-2001, 11:12 AM
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I installed the V-AFC in my car and currently have V-TEC engagement set at 5300 RPMS. Haven't finished dyno tuning completely but I'm close. Current gain is about 14 HP overall. Completely stock runs yielded about 208 RWHP and now I'm at about 222 or so.
