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07-28-2005, 07:30 PM | #1 |
Registered Member
Join Date: Feb 2003
Location: ontario canada
Posts: 165
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porting question
ok i bought a porting polishing kit
i jut want to take off the lump on the ex. ports do i just grind off till smoth. the start to sand with rought then move to light?? and can i use a die grinder or drill? thanks |
07-28-2005, 11:25 PM | #2 |
Ride Hard
Join Date: Oct 2000
Location: Wyoming IL
Posts: 1,094
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Re: porting question
I would not want to use a drill due to it being bigger and hard to angle with. A cheap die grinder will work well with a good metal bit. If you are only doing the exhaust bumps and grinding them down smooth to match the rest of the port, you should run into no problems.
Ryan
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65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored |
07-29-2005, 01:01 AM | #3 |
Moderator
Join Date: Sep 1998
Location: Grand Rapids, Michigan, USA
Posts: 1,001
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Re: porting question
Second the motion to go with a die grinder. Cheap and pretty reliable, and easy to manipulate.
Be careful to not remove too much material from the port. It will actually decrease flow if you create a dip where the bump was! Mr. Flowbench confirmed it.
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Capri306, Moderator The Mustang Works Online 1979 Mercury Capri 1987 5.0L Mustang LX Notchback 1993 5.8L Eddie Bauer Bronco |
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