keep vvt or cam it out?
05-06-2010, 08:04 PM
#1
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keep vvt or cam it out?
Hey guys, I've really been thinking, is vvt really worth it for the limited amount of cams available? I'm wondering if perhaps cams, locking out vvt, would net me a little more power? Anyone else have thoughts on this one?
05-08-2010, 11:11 AM
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and by "other things" you should probably go buy a car that is not an economy car and do a performance build on that instead of wasting your money on the cobalt
05-08-2010, 11:53 AM
#7
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JMHO But the pro racers all use non VVT and cams. They also run distributors. But they also run mile wide tires. The function of VVT AND COP (COIL ON PLUG), as I understand it, is to control torque along with many other parameters to optimize fuel mileage on the bottom of the performance ladder and wheelspin on the top of the same ladder. VVT allows the engine to be more efficient in all environments. It creats a trade off. Disabling VVT and running higher performance cams would almost certainly increase performance but would tie you to a gas pump. You can NEVER have the BEST of all worlds in the performance world. The beauty of the LNF is that it is the closest you can get to the best in the automotive world.
Again. JMHO!
Again. JMHO!
05-08-2010, 12:10 PM
#8
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VVT helps increase fuel economy at low rpms, but it also realigns the cams at top end for more performance. VVT changes where the cam begins to open and close when in realtion to degress of crank stroke. This allows for good breathing of the motor at many aspects.
And as far as distributor vs COP. Ecotec high performance guys switch to distributor, but 4G63 guys swap for COP with power.
Each system work perfectly fine, you just need to make sure you have a quality system. AKA stock will not work for high performance power.
And as far as distributor vs COP. Ecotec high performance guys switch to distributor, but 4G63 guys swap for COP with power.
Each system work perfectly fine, you just need to make sure you have a quality system. AKA stock will not work for high performance power.
you might need a l61 ecm unless vince can remove the vvt
05-15-2010, 07:25 PM
#14
vvt is a good system, however, we are kind of limited on power gains due to the camshafts... they can only go so far. jbp tried making cams for the 2.4 but those were major fail. our only option is swap the 2.4 cams in hope we pick up a couple more hp.
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