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Message: <blockquote data-quote="Ryuuken" data-source="post: 1064031702" data-attributes="member: 113970">Honda i-VTEC (intelligent-VTEC)[3] has VTC continuously variable timing of camshaft phasing on the intake camshaft of DOHC VTEC engines. The technology first appeared on Honda's K-series four-cylinder engine family in 2001 (2002 in the U.S.). In the United States, the technology debuted on the 2002 Honda CR-V.VTC controls of valve lift and valve duration are still limited to distinct low- and high-RPM profiles, but the intake camshaft is now capable of advancing between 25 and 50 degrees, depending upon engine configuration. Phasing is implemented by a computer controlled, oil driven adjustable cam gear. Both engine load and RPM affect VTC. The intake phase varies from fully retarded at idle to somewhat advanced at full throttle and low RPM. The effect is further optimization of torque output, especially at low and midrange RPM. There are two types of i-VTEC K series engines which are explained in the next paragraph.From wikipedia.haha...---------- Post added at 07:32 AM ---------- 6 hour anti-bump limit - Previous post was at 07:11 AM ----------Then i suggest do the intake manifold,piping system(please get a good one),s90 throttle body,cam pulley,camshafts and also try to get a a bit higher compression piston,then get the walbro fuel pump as well.Don't forget the extractor,and if you can afford,get an oil cooler.LET's put an example.Last time i used to drive a Mazda Astina,with a 1.6 NA engine.the B6ZE RS from a mazda miata MX5..A bit suck! The intake i choose was just a custom intake with an s90 throttle body.Then i build up an S-Flow piping system and also add an extractor.since the intake has increase,i must also increase the exhaust.1 month after that i install the walbro fuel pump..it was nice and decent..not bad...then few days later i install the camshafts,cam pulley and also the oil cooler for a better performance.i didn't change the piston because the B6ZE is already 9.4:1 compression ratio.i know the compression rate will increase if i skim my head.so i'm keeping that one till the time comes.instead of doing the compression,i decide to increase the bore.1 mm will do.any further than 1mm i scare it might ruined the reliability of the car since it is used for daily drive.Iridium spark plugs,KNN air filter,raizin volt stabilizer and a bit tweak here and there plus a catalyst.The result was from 120 hp and 136 N·m to 177 hp and 201 N.m. that's around 57 hp increase and 65 torque increase.47% increase on torque and also hp.roughly. it all cost me around 9000.nothing more than 10k.The reason i do this setup to gain really nice range of power between 2000 rpm to 7000 rpm.Its very linear even when i haven't touch the gearbox and final drive was not disturb.Nice sprint and cornering because of the adjustable suspension and bars.And another reason is,honestly,i hate teenagers who drive myvi... they change the muffler with around rm100 and drive like a mad cow as if they are driving a superfast car without any safety precaution on others driver..so yes,i always aim a myvi,especially when i see them with fancy bodykit and noisy exhaust.Since the astina was an old car,and i did my car without any bodykit even the muffler was quiet and the rims changed to make way for the 2 pot brakes.The rim also i just used the mazda 2 standard rims.HAHA..But to tapau a myvi not a problem...besides..these kids doesn't have the skills when it come to corners.</blockquote>

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