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Joined: Apr 2003
Posts: 8
Bagz
New Member
Bagz Apr 16, 3:41am - #12178 
New Member

Joined: Apr 2003
Posts: 8
New York
POLISHING EXHAUST MANIFOLD QUESTION

I HAVE READ THAT ABRASIVE MACHINING TO POLISH THE EXHAUST MANIFOLD INCREASES HORSEPOWER. DOES ANYBODY KNOW HOW MUCH HP IS ADDED AND WHERE THIS PROCESS CAN BE DONE. ANYWHERE IN NEW YORK OR CONNECTICUT WOULD BE BEST. thanx
Joined: May 2002
Posts: 3,295
Steven
ECelica Staff
Steven Apr 16, 5:32am - #12179 
2001 Spectra Blue Mica Toyota Celica GTS
ECelica Staff
2001 Toyota Celica GTS

Joined: May 2002
Posts: 3,295
Riverside, CA
Welcome to the boards... anything that involves the discussion of aftermarket performance belongs in the Custom Mods, Performance Tuning Tips and Reviews forum...
Joined: Apr 2003
Posts: 184
FX-MAN
Member
FX-MAN Apr 16, 6:16am - #12180 
Member

Joined: Apr 2003
Posts: 184
Vancouver, BC
I heard that porting and polishing your cyllinders and head is the best bang for your buck. A shop should do it for $500 or less.. It's the process of removing imperfections from mass produced parts and ballancing the flow of air between your Intake and your manifold, then polishing to remove and reduce the recurrance of carbon build up which also impedes air flow. I hear that it can give huge gains since it opens up air flow (some cars get VERY nice like 30hp, it depends on the quality of production of the parts, hondas get 10-15hp can't find anything on toyota) also depends on the age of your engine (older=better gain because it will have more carbon build up in there).

Only problem is finding a TRUSTED shop, because it's all interior parts they can take you for a ride and say they did the 3-4 hours of work without ACTUALLY doing anything.. so be careful.. Most people try to find someone who has done it to help them, it isn't supposed to be hard. I am working on finding someone to help me do it when my new header gets here.

[ 04-15-2003, 11:18 PM: Message edited by: FX-MAN ]

FX-MAN
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Joined: May 2002
Posts: 3,295
Steven
ECelica Staff
Steven Apr 16, 6:22am - #12181 
2001 Spectra Blue Mica Toyota Celica GTS
ECelica Staff
2001 Toyota Celica GTS

Joined: May 2002
Posts: 3,295
Riverside, CA
there was a discussion about this earlier... do a search and find out the other info on this subject.
Joined: Nov 2002
Posts: 447
supra_celica
Senior Member
supra_celica Apr 16, 7:07am - #12182 

Senior Member
2000 Toyota Celica GTS

Joined: Nov 2002
Posts: 447
Woodstock, Georgia
I'm curious, too. anyone got a link?

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