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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 01-16-2015, 11:36 PM   #1
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all motor any chance?

Seeing so much development in forced induction section. Any know where the all motor tunning going or see/hear about anything?
Im a big fan for sub 2.0L high end all motors in a light weight cars. We all have seen +200hp 4age, and some crazy +300hp all motor 3sge beams engine. But why nothing yet for the fa20???? Yes I know its not cost effictive as going turbocharged but I know some want to take this route too

Sorry if this was discussed before but I just hope someone know something or news?
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Old 01-16-2015, 11:56 PM   #2
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Perhaps nobody has wanted to throw money at a project like this yet, or there's no reason for high investment in this field yet?
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Old 01-17-2015, 12:01 AM   #3
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Old 01-17-2015, 12:26 AM   #4
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Well let's see, there are cams now, and strokers and different pistons; not to mention exhaust setups out the wazoo...what more do you want? I don't recall seeing different heads or bored out cylinders yet though.
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Old 01-17-2015, 01:59 PM   #5
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I'd love to see a real all motor build. 10k redline with a snarl. Basically the FR-S I have on Forza.


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Old 01-17-2015, 02:20 PM   #6
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I've wanted to do this too. Really not cost effective. But it would be so fun to have like 260whp all motor. Raise the FD to 4.56 or 4.88. Try to shed a 100 or 200 lbs. car would be beast.
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Old 01-17-2015, 07:12 PM   #7
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I've wanted to do this too. Really not cost effective. But it would be so fun to have like 260whp all motor. Raise the FD to 4.56 or 4.88. Try to shed a 100 or 200 lbs. car would be beast.
That amount of weight loss is a cakewalk. 25 lbs for spare, 25 pounds for stock muffler, 23 pounds for seat delete, 26 pounds for battery, 4 pounds for crank pulley, 10 pounds for flywheel, 12 pounds for driveshaft, 10 pounds for a header, 10 pounds for overpipe and frontpipe. Starts to get more complicated from there though. 25 pounds for front brakes, maybe 40 pounds for wheels...$$$. @Anthony has done all the legwork already though.

Element Tuning is over 9000rpm on their turbo motor so it's certainly doable.
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Old 01-17-2015, 08:13 PM   #8
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Element Tuning is also selling a 9000 RPM 13.5 CR built NA race motor. They don't make any power claims on it though
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Old 01-17-2015, 08:31 PM   #9
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That amount of weight loss is a cakewalk. 25 lbs for spare, 25 pounds for stock muffler, 23 pounds for seat delete, 26 pounds for battery, 4 pounds for crank pulley, 10 pounds for flywheel, 12 pounds for driveshaft, 10 pounds for a header, 10 pounds for overpipe and frontpipe. Starts to get more complicated from there though. 25 pounds for front brakes, maybe 40 pounds for wheels...$$$. @Anthony has done all the legwork already though.

Element Tuning is over 9000rpm on their turbo motor so it's certainly doable.
Guess that doesn't sound too terrible. Hmm wonder how much power you could get out of NA. What else would you have to do? Exhaust, intake maybe ITB? Rework the heads? Increase valve springs? Tuning. Forged internals. Can't forget those. Haha
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Old 01-17-2015, 11:08 PM   #10
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Guess that doesn't sound too terrible. Hmm wonder how much power you could get out of NA. What else would you have to do? Exhaust, intake maybe ITB? Rework the heads? Increase valve springs? Tuning. Forged internals. Can't forget those. Haha
switch to different air sensors since they read maf and map and ITBs have neither unless you run a box over them which kinda defeats the point of them being individual
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Old 01-18-2015, 02:37 PM   #11
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I really wouldn't compare Toyota to Subaru when it engines. Subaru may be a cool brand, but ive never seen a Subaru engine that is worth a second glance. My FA20 should make 250-270hp NA, but thats pretty much as far as im going to push the motor for what im building it for.
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Old 01-18-2015, 02:52 PM   #12
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...260whp all motor. Raise the FD to 4.56 or 4.88.
This is exactly my plan. I don't know about the 260whp, but definitely as much as possible.

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@Anthony has done all the legwork already though.
And still going! Should be sub 2,400lbs very soon.
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Old 01-18-2015, 03:50 PM   #13
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This is exactly my plan. I don't know about the 260whp, but definitely as much as possible.



And still going! Should be sub 2,400lbs very soon.
Awesome! Gotta follow your build. Haha
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Old 01-19-2015, 07:14 AM   #14
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The bang for the buck factor is terrible. Why do all that for so little return on your investment? Except for some sort of spec race series or just to prove some sort of point, it doesn't make sense when you can strap a turbo or supercharger on it and easily eclipse the power of a fully built NA engine costing twice as much.
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