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Port matching intake. Need suggestions

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Old Feb 18, 2007 | 07:07 PM
  #21  
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Looking good

How far are you going to go?

Some people like to leave it sort of rough for turbulence.

Others continue to get a high polish.

Wondering why you left the carbs on.
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Old Feb 18, 2007 | 07:31 PM
  #22  
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Originally Posted by noonie
Looking good

How far are you going to go?

Some people like to leave it sort of rough for turbulence.

Others continue to get a high polish. .
That is it! It is smoother to the touch than the CNC'ed intake ports on the head. Next step would be a high polish

Originally Posted by noonie
Wondering why you left the carbs on.
Way too much hastle to disassemble. Will blow it out real good when done!
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Old Feb 18, 2007 | 11:01 PM
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NICE!!!
Eddie
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Old Feb 19, 2007 | 09:44 AM
  #24  
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Originally Posted by Edzred72
NICE!!!
Eddie
Yes, Just finished it. Too bad I will have to open it up a little more for the new heads!

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Old Feb 19, 2007 | 10:38 AM
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Originally Posted by 63mako
I have about 3/16" to take out across the bottom of the port. It needs to go all the way back to the floor of the intake. I am using a dremal but it is slow going. Used 6 bits to do the first port and it took about 45 minutes. Any better options out there? I don't have access to machine shop tools but have pretty much all basic hand tools.
Call me a cave man if you want,but I hand filed mine. Put the intake in a bench vise using a lift plate to clamp the intake in the vise,and hand filed with a flat file and rattail file to blend in well over an inch per port. I did two ports a day after work (spent an hour a day),and I think it came out just fine. The fear I had with power cutting is aluminum is very soft,and a lot of material can disappear with one flinch. Cutting by hand is much more controlled.(If the intake was cast iron.....different story.
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Old Feb 19, 2007 | 07:04 PM
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Originally Posted by The Money Pit
Call me a cave man if you want,but I hand filed mine. Put the intake in a bench vise using a lift plate to clamp the intake in the vise,and hand filed with a flat file and rattail file to blend in well over an inch per port. I did two ports a day after work (spent an hour a day),and I think it came out just fine. The fear I had with power cutting is aluminum is very soft,and a lot of material can disappear with one flinch. Cutting by hand is much more controlled.(If the intake was cast iron.....different story.
Man, you are a cave man! My intake was pretty hard stuff took about 2 hours a side with the dremel just for the rough cutting. I removed the bulk of the material with a fluted bit. Key was to keep it moving. Then hit it with a dremel large drum sander and rounded the interior bottom and flattened the sides with a hand file. Last pass was going over the whole worked area with a dremel wire wheel. Feels smoother than it looks.
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