What new under-hood Performance Parts would you like to see from COBB Tuning?

1slow370 · 06-14-2010, 12:44 AM

well cracking the vvel might let you open the cams up farther and for longer durations than they do stock in the lower/mid range area to try and pick up some more hp in that range, also since they effectively act as the throttle for the engine some response could be gained. if there is a combined way to operate the vvel and adjust the opening and closing of the ETB's to effectively eliminate them staying open all the time, it would become possible to put a twin screw on the car without seizing the compressor, snapping belts, or blowing the manifold to pieces. a tune that would make the throttle bodies operate in a normal fashion would be awesome for those seeking real low end torque and power. the power gains all depend on the stock vvel curve/maps, if the stock maps turn out to be detuned enough there could be a considerable horsepower gain similar to camming the car. also it may be essential for magic screw adjustment which would yield much larger numbers. If that is the case when the vvel gets cracked they could probably sell the accesport for mines or topsecret ecu flash prices and still have it be the 3rd most desirable power adder (after intake and exhaust) short of forced induction. If the CVTC can be modified as well there would be gains in it for the forced induction guys by retarding the cam timing to reduce valve overlap

nolan1016 · 06-14-2010, 07:27 AM

Quote:

Originally Posted by 1slow370

well cracking the vvel might let you open the cams up farther and for longer durations than they do stock in the lower/mid range area to try and pick up some more hp in that range, also since they effectively act as the throttle for the engine some response could be gained. if there is a combined way to operate the vvel and adjust the opening and closing of the ETB's to effectively eliminate them staying open all the time, it would become possible to put a twin screw on the car without seizing the compressor, snapping belts, or blowing the manifold to pieces. a tune that would make the throttle bodies operate in a normal fashion would be awesome for those seeking real low end torque and power. the power gains all depend on the stock vvel curve/maps, if the stock maps turn out to be detuned enough there could be a considerable horsepower gain similar to camming the car. also it may be essential for magic screw adjustment which would yield much larger numbers. If that is the case when the vvel gets cracked they could probably sell the accesport for mines or topsecret ecu flash prices and still have it be the 3rd most desirable power adder (after intake and exhaust) short of forced induction. If the CVTC can be modified as well there would be gains in it for the forced induction guys by retarding the cam timing to reduce valve overlap

Good write up, so there is some potential for some good hp gains equal to HFC and CBA. Interesting, I might have to pick one up when they finally do it

drisko · 06-16-2010, 06:46 PM

COBB,

Are you guys working on base maps without VVEL now? I just wasn't exactly sure what resulted from this whole thread.

tomnavone · 06-16-2010, 07:04 PM

^^^ nothing. Still no base maps.

1slow370 · 06-17-2010, 03:07 AM

well technically it was a thread about what else we would like to see from cobb and then it turned into a bitchfest of customer hate about not having maps. actually i thought of another one, what about a high flow fuel pump assembly that fixes the whole fuel starvation while turning corners bulshizzle?

1slow370 · 06-26-2010, 08:37 AM

Quote:

Originally Posted by 1slow370

well technically it was a thread about what else we would like to see from cobb and then it turned into a bitchfest of customer hate about not having maps. actually i thought of another one, what about a high flow fuel pump assembly that fixes the whole fuel starvation while turning corners bulshizzle?

again why not start another "Cobb we're pissed we don't have maps" thread to go with the other 200

06-14-2010, 12:44 AM	#1 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,733 Drives: v8 74 260z ;) Rep Power: 7252	well cracking the vvel might let you open the cams up farther and for longer durations than they do stock in the lower/mid range area to try and pick up some more hp in that range, also since they effectively act as the throttle for the engine some response could be gained. if there is a combined way to operate the vvel and adjust the opening and closing of the ETB's to effectively eliminate them staying open all the time, it would become possible to put a twin screw on the car without seizing the compressor, snapping belts, or blowing the manifold to pieces. a tune that would make the throttle bodies operate in a normal fashion would be awesome for those seeking real low end torque and power. the power gains all depend on the stock vvel curve/maps, if the stock maps turn out to be detuned enough there could be a considerable horsepower gain similar to camming the car. also it may be essential for magic screw adjustment which would yield much larger numbers. If that is the case when the vvel gets cracked they could probably sell the accesport for mines or topsecret ecu flash prices and still have it be the 3rd most desirable power adder (after intake and exhaust) short of forced induction. If the CVTC can be modified as well there would be gains in it for the forced induction guys by retarding the cam timing to reduce valve overlap __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

06-17-2010, 03:07 AM	#5 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,733 Drives: v8 74 260z ;) Rep Power: 7252	well technically it was a thread about what else we would like to see from cobb and then it turned into a bitchfest of customer hate about not having maps. actually i thought of another one, what about a high flow fuel pump assembly that fixes the whole fuel starvation while turning corners bulshizzle? __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

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06-16-2010, 06:46 PM	#3 (permalink)
drisko Base Member Join Date: Jan 2009 Location: So Cal Age: 45 Posts: 160 Drives: 09 370Z PW Tour S 6M Rep Power: 18	COBB, Are you guys working on base maps without VVEL now? I just wasn't exactly sure what resulted from this whole thread.

06-16-2010, 07:04 PM	#4 (permalink)
tomnavone Track Member Join Date: Apr 2009 Location: S.F. Bay Area Posts: 723 Drives: Supercharged 370z Rep Power: 19	^^^ nothing. Still no base maps.