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How to port a Fast 90 intake

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Old May 8, 2012 | 07:43 PM
  #81  
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So I ported the **** out my fast 90 today.came out pretty damn good.even match ported the manifold to match the head runners,but on my first attempt I got a lil greedy and I burnt a hole.anything I can use to patch it? Its pretty small
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Old May 8, 2012 | 09:48 PM
  #82  
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Anyone?
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Old May 8, 2012 | 10:07 PM
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That's just the top layer right? I really wouldn't worry about it and just smooth it out the best your can. I wouldn't patch it with anything for fear of it coming loose later, then your fucked.
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Old May 8, 2012 | 10:26 PM
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yes the upper Layer twist(air router) It wouldn't affect performance or air induction?
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Old May 8, 2012 | 11:20 PM
  #85  
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I would weld it or have it welded before I would try any epoxy on it.
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Old May 9, 2012 | 12:50 AM
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jb weld?
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Old May 9, 2012 | 09:09 AM
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you can have it plastic welded
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Old May 9, 2012 | 05:27 PM
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Originally Posted by dodson55
you can have it plastic welded
Nope, can't plastic weld a FAST intake. Where are you going to find the proper welding rod? The welding rod must be the same material as the material you are attempting to weld. Good luck finding a welding rod thats the same material as a FAST intake...

JB weld will fix that no problem..Just make sure the surface is real clean before applying and it should be ok.
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Old May 9, 2012 | 09:02 PM
  #89  
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What size rolls are you guys using, what length shanks, and where are you getting them? Stone or sand rolls? What grit? I've got an air die gringer and a 26gal compressor.

My 78 is "stock-stock." Hasn't had **** done to it. It looks like the top shell hasn't even been taken off.... ever. I'm not wanting to get crazy, just take out the little pastic ridge like in the first pic in the thread.... any other ideas for the FAST 78?
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Old Oct 20, 2015 | 10:32 AM
  #90  
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Love these old threads!
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Old Oct 30, 2015 | 08:04 AM
  #91  
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http://www.corvetteforum.com/forums/...g-results.html

Found this GEM about porting the 102
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Old Oct 30, 2015 | 08:20 AM
  #92  
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Originally Posted by scotty2000ss
http://www.corvetteforum.com/forums/...g-results.html

Found this GEM about porting the 102
Even though he points it out that is a big *** motor w/ a pretty stout top end. Though in the end 12 hp gain is a 12 hp gain.
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