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7A-GE 20v PRoblem...
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<blockquote data-quote="Bo SEG" data-source="post: 1064394198" data-attributes="member: 118800"><p>hye all...after long time....if forgot to tell the result...</p><p></p><p>all the problem come because of engine timing marking not correct....this problem will come when you build 7age 20v...with using 4age 16v timing belt and standard 20v cam pulley on both side...</p><p>i already change exhaust pulley to adjustable type...and set back the correct or normal marking...and now the result is much better than before...the knock sound also gone a lot...mine still got small knock sound because of my compression......when i calculate the marking...you will advance / retard (i forgot) your marking around 8 degree because of your marking 'lari satu mata' when you put standard 20v cam pulley on both side...for good result...better use both adj pulley..but i love my vvt...so i only use on exhaust side...</p><p></p><p>after you done all this...you will feel the true 7age 20v torque...no need to rev till 9000 rpm to overtake another 20v...hehehe...</p><p></p><p>i already discover 7age 20v power...for me it's all about torque...on dyno also show 153hp on wheel..now i'm on my way back to 4age 20v with new setup skill n knowledge.......i'll post you my project soon...</p><p></p><p>thanks all for those who supporting me and give me advise...</p></blockquote><p></p>
[QUOTE="Bo SEG, post: 1064394198, member: 118800"] hye all...after long time....if forgot to tell the result... all the problem come because of engine timing marking not correct....this problem will come when you build 7age 20v...with using 4age 16v timing belt and standard 20v cam pulley on both side... i already change exhaust pulley to adjustable type...and set back the correct or normal marking...and now the result is much better than before...the knock sound also gone a lot...mine still got small knock sound because of my compression......when i calculate the marking...you will advance / retard (i forgot) your marking around 8 degree because of your marking 'lari satu mata' when you put standard 20v cam pulley on both side...for good result...better use both adj pulley..but i love my vvt...so i only use on exhaust side... after you done all this...you will feel the true 7age 20v torque...no need to rev till 9000 rpm to overtake another 20v...hehehe... i already discover 7age 20v power...for me it's all about torque...on dyno also show 153hp on wheel..now i'm on my way back to 4age 20v with new setup skill n knowledge.......i'll post you my project soon... thanks all for those who supporting me and give me advise... [/QUOTE]
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7A-GE 20v PRoblem...