 PORTING AND POLISHING, Got some questions... |
 Jun 17, 2003 - 9:46 PM
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 Enthusiast  Joined Dec 21, '02 From Orlando Currently Offline Reputation: 0 (0%)  |
I'm trying to concentrate on finishing my car for shows, but I still want to do enough to my engine so it's not completely "no go." Atleast just until I can focus on swapping the engine. Anyway, I wanted to hear some feedback on anyone who's done it, or if I should even do it. Thanks.
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Jun 17, 2003 - 9:51 PM
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Enthusiast Joined Mar 4, '03 Currently Offline Reputation: 0 (0%) |
It's always a good mod, no matter what car you are doing it on. I think whether you should do it or not all depends on how much its going to set you back. I look at porting / polishing the heads as an intake / exhaust mod. Some people have said they've gotten around 10-20 HP from this mod alone.
You sound like you know what the process is, so I won't go in depth, but you will get much better intake and exhaust flow by opening up the ports and cleaning all the sharp edges and burrs from inside your head. If you have the money to spend on it I'd say go for it, its something I haven't done, but am looking into atm. (need to find a good engine shop nearby). |
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Jun 17, 2003 - 11:51 PM
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 Enthusiast Joined Oct 1, '02 From Minnesota, USA Currently Offline Reputation: 0 (0%) |
See it really depends. The 7AFE doesn't lose all of it's power in the head, so it's going to be a good mod but not as good as gains as someone with a 5sfe. The 5sfe probably loses 70% of it's lost horsepower in the head. It's always a good idea, especially on higher mileage engines. Also gives a chance to replae any engine internals you think are in need of replacement.
-------------------- 95 Toyota Celica GT
Dead for now --> Soon to have a 3S-GTE 02 WRX --> This is for speed - Borla Exhaust - TurboXS BOV - Custom CAI 02 Civic EX - MB Quart Reference 5.25" Components - Rockford MTX 8" Subs in the doors - Alpine Type S Rear Fills - 2x Alpine SWR-1042D Subs in a custom fiberglass box - Alpine F345 Amp for the front doors - Alpine M605 on each Type R - Phoenix Gold wiring - Alpine CDA-9855 Head Unit - Alpine Amp link - 2x Rockford Fosgate 1 Farad Caps - The best Viper 791 alarm install ever |
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Jun 18, 2003 - 12:17 AM
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 Enthusiast Joined Apr 20, '03 From Chicago Currently Offline Reputation: 0 (0%) |
So how much money am I looking to throw into my engine to port & polish it?
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Jun 18, 2003 - 12:44 AM
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Enthusiast Joined Dec 21, '02 From Orlando Currently Offline Reputation: 0 (0%) |
Thanks guys, I greatly appreciate the help. I think this was one of the most helpful and intellegent posts I've ever read, so thanks. As for the cost, it wouldn't be any less than $500, and that is a VERY VERY good price.
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Jun 18, 2003 - 2:16 AM
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Enthusiast Joined Oct 1, '02 From Minnesota, USA Currently Offline Reputation: 0 (0%) |
-------------------- 95 Toyota Celica GT
Dead for now --> Soon to have a 3S-GTE 02 WRX --> This is for speed - Borla Exhaust - TurboXS BOV - Custom CAI 02 Civic EX - MB Quart Reference 5.25" Components - Rockford MTX 8" Subs in the doors - Alpine Type S Rear Fills - 2x Alpine SWR-1042D Subs in a custom fiberglass box - Alpine F345 Amp for the front doors - Alpine M605 on each Type R - Phoenix Gold wiring - Alpine CDA-9855 Head Unit - Alpine Amp link - 2x Rockford Fosgate 1 Farad Caps - The best Viper 791 alarm install ever |
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Jun 18, 2003 - 5:04 AM
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 Enthusiast Joined Dec 21, '02 From Italy Currently Offline Reputation: 0 (0%) |
I've done it myself and for sure it's cheaper, it just take you some hours of work but the results you have are great!!!
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Jun 18, 2003 - 7:02 AM
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Enthusiast Joined Mar 4, '03 Currently Offline Reputation: 0 (0%) |
edo what tools did you for the actual removal / polishing of the metal? A die grinder with attachments like in the tutorial shown below or something else? Can you give us a bit of an explanation as to how you went about it?
I'd love to do this job myself, always loved metalwork through school. I think if I attempted it I'd go find another head though 
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Jun 18, 2003 - 7:28 AM
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Enthusiast Joined Dec 21, '02 From Italy Currently Offline Reputation: 0 (0%) |
Yes, I used tools like the tutorial posted. it's not a very hard work but do it well require patience.
here is a pic of the exhaust ports enlarged and polished: PIC |
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