2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Porting

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Old Jul 25, 2010 | 06:33 PM
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Porting

Is it possible to tell if your engine has been previously ported with it intact?? Just wondering , right now there are no mani's on my s4 with s5 block. thanks
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Old Jul 25, 2010 | 06:39 PM
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Shine a light down it the ports and see if you can see any signs of porting.
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Old Jul 25, 2010 | 06:44 PM
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kinda hard to fit but ill give it a try
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Old Jul 25, 2010 | 07:53 PM
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bore scope
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Old Jul 26, 2010 | 01:55 PM
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If there are no manifolds, then use a little mirror and a light. If you can't find any casting flash in the ports and runners, it has been ported.
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