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Message: <blockquote data-quote="llsaw" data-source="post: 1033632" data-attributes="member: 1345">The state of the modding industry in Malaysia never ceases to amaze me. 9 pages of postings and if i were newbie i still wouldn't know what porting is.. A porting job should never be considered in isolation. It's not like Lego where you add A part and you will get XX bhp. Porting should be done taking into careful consideration the the cam profiles and other engine mods you are running to give your desired powerband. It's a case of the sum being a bigger whole. I only see references on pricing and shiny parts but do bear in mind that shiny <> power. What does a RM1800 porting job give you? Do they even comprehend your cam profile? Do they test your head on a flowbench before and after porting? How many cfm do you gain from the port job? Are the ports actually enlarged and manufacturing casting irregularities removed? How many angles are cut into the valve seat? 2, 3 or radiused? Do they even use a Serdi or an hour with an Autosol and rag? The latter will actually give you a shinier port. Below is a very good explanation from Alaniz Technologies on what the various porting tricks are :http://www.alaniztechnologies.com/headterms.htmlBelow is what a flow chart off a Superflow is..http://www.alaniztechnologies.com/flowcharts.htmlBelow here is a very good reference on tech articles and more on porting.. http://www.theoldone.com/articles/</blockquote>

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