Guys, I have 170K miles on my motor...it still runs like a champ though with no probs...I want to take off the head and port/polish it and add a nice header too. Then, tune. Is that going to be ok? or am I looking at hurting my bottom end in some unforseen way? Thanks!

This post has been edited by 6G96GT: Jan 21, 2008 - 5:37 PM

pain in the ass if your just going to do a port and polish. the 5s head isn't the most easiest heads to take off like a lil 1.5 civic head. it'll be about a 6 hour job or so for an experienced mechanic and you definitely don't want to be without a repair manual such as a haynes.

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well celica owner to celica owner, i would have to advise against it. it is your car and should do what you want with it, and it prolly would last a little while longer with it, you would see a little power, but for the money its prolly not worth it. unless your an experiance mechanic and machinist and plan to do it all your self, i wouldn't. save your money and go with the 3s head or 3s swap, but still keep it basic.

Even with the 3s head, he'll fun into problems. He'll have a lot more work with putting on the 3s head vs the 5s head port and polish. You're better off with a swap.

I don't want to do a swap...I only want a little bit of noticeable HP and torque. I just got rid of my turbo car and have had it with turbos at this time. If the 3sgte head is do-able then I'd like to go with that, but will my bottom end take it? If not, then I'll just keep the cold-air intake, exhaust, and go with a header and that'll be that.

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if you just want alittle bit more power why not get your cams reground by webcam.

yeah i'ld go that direction, do bolt ons like cams and what not. and if you don't want turbo i think the MR2 guys get some power by going to a 3sge head on a 3s block if they want NA power.

So...webcams. I'd like to get them but I do NOT want to have to get any supporting mods or upgrades. Do I need to get mods or upgrades if I get webcams???

AND the 3SGTE Head...I want that too, but I don't want to have to "modify" anything or have to upgrade anything like injectors or my ecu in order to run the 3sgte head. Do I have to do any of that??

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from what ive heard and read, if you swap 3s-gte or 3sge head into a 6gc you need all the sensors , wiring and ecu for the head