how an adjustable cam pulley works?

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how an adjustable cam pulley works?

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GEFORCEXTREME	Mar 24 2011, 08:01 AM Return to original view \| Post #1
Getting Started Junior Member 60 posts Joined: Jan 2009	QUOTE(tictac @ Mar 22 2011, 07:57 AM) Even with Stock camshaft... the adjustable cam can tune Air Fuel Compression efficientcy. This is with Adjustable cam + Stock 4G15 EFI Camshaft : Stock 0 Degree : Air Fuel Compression 69% Efficiency Advanced 2 Degree : Air Fuel Compression 70% Efficiency Advanced 4 Degree : Air Fuel Compression 71% Efficiency Advanced 6 Degree : Air Fuel Compression 72% Efficiency Advanced 8 Degree : Air Fuel Compression 73% Efficiency Advanced 10 Degree : Air Fuel Compression 75% Efficiency Why did they set stock 0 degree at 69% efficiency?
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GEFORCEXTREME	Mar 26 2011, 03:21 PM Return to original view \| Post #2
Getting Started Junior Member 60 posts Joined: Jan 2009	I'm guessing about RM 150-200 a piece.
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GEFORCEXTREME	Mar 26 2011, 08:45 PM Return to original view \| Post #3
Getting Started Junior Member 60 posts Joined: Jan 2009	Sure can adjust what, why can't? If can't, why get it? Why they sell it? The problem is more of a whether an SOHC can benefit from it or not. A quick search on the Internet says in an SOHC you can only advance or retard the power region, but not increase peak power like you can in a DOHC engine!
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GEFORCEXTREME	Mar 26 2011, 08:49 PM Return to original view \| Post #4
Getting Started Junior Member 60 posts Joined: Jan 2009	Yeah, why not? Advance intake retard exhaust? Or other way, I don't know, ask other sifu! Added on March 26, 2011, 8:50 pm QUOTE(gagak_84 @ Mar 26 2011, 08:47 PM) Increase hp on dohc? Your 4g91 GOOD CANDIDATE! This post has been edited by GEFORCEXTREME: Mar 26 2011, 08:50 PM
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GEFORCEXTREME	Mar 26 2011, 08:53 PM Return to original view \| Post #5
Getting Started Junior Member 60 posts Joined: Jan 2009	Don't say no budjet la, just get Jasma one maybe? Sell your 2 pc rim to me RM 500! Then you take money go buy! kekeke...
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