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the 3S-GE is an engine that benefits a lot from revving faster.
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with cams of 264° of duratio the powercurve starts to fall down at
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so i think around the 290 to 300° it will get you to that 10 000rpm mark, and if you know TODA does cams to 320° for this engine.
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if your going to rev that fast balancing of ALL rotational components is crucial!.
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crank, flywheel, cam pulleys, cams, crank pulley,
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also upgrade to better rodbolts if using stock rods, but its best to upgrade to lightwheight rods to
also, every 3S-GE engine has pre-plumbed oil passages in the block, on the turbo cars, these passages are used for oil squirters for cooling the underside of the pistons.
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also if you raise compression, it will climb into revs faster
stock is 10:1 or 10.3:1, the beams redtop has 11:1, the blacktop has 11.5:1, toda makes pistons to 13:1 for the blacktop
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if you do high duration and lift cams on a rev2 3S-GE
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also upgrade your valvesprings!
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defenitly use adjustable cam pulleys because that is the best way to get the max out of your cams
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minimal porting is required on the head, DON'T polish on the intake, the only work needed is port it to match the intake runners 100%
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same is true for exhaust side
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until here all can be tuned with a good piggyback like the unichip
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standalone is most of the time better though, although you loose standard ECU functions
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ITB setups is highly recommended at that rev range but because you are running the engine in a mid-engined car, lead the horns either to outside or into the trunk with a scoop on the bootlid or something or a horn cap with intake leading to sidevent
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when using ITB setup i recommend standalone ECU
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at the power level allready reached right now it's highly recoomended to NOT heat wrap your headers or exhaust pipes.
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Allthough this is good on modest hp buildups and keeping heat inside and improving flow, at this powerlevel it will strangle your exhaust, the way to go here is to COAT all exhaust piping with heat treatment.
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This way all piping can
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i don't consider NOS here, because i find this a temporary poweradder and therefor i consider this as not real.
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also, don't forget FUEL! no fuel
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last thing and absolutely CRUCIAL, upgrade your oilpump assembly
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i've seen tuned 3S-GE engines of 260hp myself, so it is realy possible, the best example is the TODA, TOMS, TRD,
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TRD once sold
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a last note, Toyota started back in rally last year.
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go for it, you won't regret it, i go for it too.
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