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418rwhp FC Power

   
Old Oct 18, 2010 | 10:53 AM
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So what exactly happened to the rear iron? Is it a symptom in FC blocks in general or is it S4 or S5 specific? Those are some crazy numbers for the turbo and stock (intake) ports. How much porting was done on the exhaust?
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Old Oct 21, 2010 | 05:27 PM
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The casting on those dowel lands get fatter through each generation. S4 being the smallest, S5 being larger, some late S5 being the same size as an FD iron with a little gusset reinforcment.
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Old Oct 30, 2010 | 12:49 AM
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Originally Posted by Jimmy2222
So what exactly happened to the rear iron? Is it a symptom in FC blocks in general or is it S4 or S5 specific? Those are some crazy numbers for the turbo and stock (intake) ports. How much porting was done on the exhaust?
Turned out to be a bad msd box that did it...
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Old Dec 14, 2011 | 09:50 PM
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nice
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Old Jan 4, 2012 | 07:01 PM
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who nice. very good numbers
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Old Jan 5, 2012 | 02:31 PM
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Originally Posted by Turblown
Turned out to be a bad msd box that did it...
yea but it is possible to survive preignition with the stud kit or dowelling. the S4 irons are craptastic.
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Old Jan 19, 2012 | 04:36 PM
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Wow this is some good numbers for non-intercooled. And a carb to boot.
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