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Does anybody know about Port and Polished and bored? #46136 Sep 18, 10:23am Sep 18, 10:23am
Joined: Aug 2003
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Kenred OP
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2000 Toyota ; 97 Mitsubis Celica
Kenred OP

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Does anybody know about Port and Polished and bored?
Does anybody know about Port and Polished engine for the GTS motor, does anybody know how much hp I would get from Porting and polished and boring out the GTS motor without I/E and other mods.

Re: Does anybody know about Port and Polished and bored? [Re: Kenred] #46137 Sep 18, 10:29am Sep 18, 10:29am
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Riverside, CA
2001 Spectra Blue Mica Toyota Celica GTS Steven
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It really depends on what degree the job was done to. You can get it done from a mild p&p job to full head work. Don't expect outrageous hp gains, the 2zz head already flows exceptionally well.


Re: Does anybody know about Port and Polished and bored? [Re: Kenred] #46138 Sep 18, 11:01am Sep 18, 11:01am
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So.Cal
CID498
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CID498

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Port and polish was far more effective back in the days of cast iron heads.


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Re: Does anybody know about Port and Polished and bored? [Re: Kenred] #46139 Sep 18, 11:09am Sep 18, 11:09am
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Riverside, CA
2001 Spectra Blue Mica Toyota Celica GTS Steven
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Steven
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I think it was because those cast iron heads were so restrictive and because there were 8 cyls.

Re: Does anybody know about Port and Polished and bored? [Re: CID498] #46140 Sep 18, 11:09am Sep 18, 11:09am
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Kenred OP
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2000 Toyota ; 97 Mitsubis Celica
Kenred OP

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Ohh ok, so really port and polishing the engine wont do any good at all? but if I got turbo that would help right? but what about rebulding the engine, and boring it out as well

Re: Does anybody know about Port and Polished and bored? [Re: Kenred] #46141 Sep 18, 11:24am Sep 18, 11:24am
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Oakland, CA
glitch
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boring out your cylinders will require you to get bigger pistons, since it increases your displacement. i don't think it is advisable for the 'zz' engines since the cylinder walls are already pretty thin and close together.


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Re: Does anybody know about Port and Polished and bored? [Re: Kenred] #46142 Sep 18, 12:43pm Sep 18, 12:43pm
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Riverside, CA
2001 Spectra Blue Mica Toyota Celica GTS Steven
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Steven
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the distance in between cylinders of the 2zz is only 5 mm.

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