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#85 |
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Member
Join Date: Aug 2013
Drives: 2013 Pearl White FRS
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440bhp at the crank isn't going to be unreasonable at all. It will be around that at the wheels.
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#86 | |
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Member
Join Date: Aug 2013
Drives: 2013 Pearl White FRS
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#87 |
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Senior Member
Join Date: Jul 2012
Drives: 2013 SWP BRZ
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#88 |
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Grip>Slip
Join Date: Jun 2012
Drives: 13 SWP BRZ Ltd - Innovate Powered!
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#89 | |
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PhoneFlash by EcuTeK
Join Date: Dec 2012
Drives: Edelbrock Equipped - Subaru BRZ
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Quote:
Well a lot depends on the strength of the bottom end and there is no need to lower the compression. Why would you want to give up free power. The only reason people would lower compression (decades ago) is because they did not have good control of knock detection. In this day and age we do and there is no need to drop the compression. Lowering the compression will cause the timing values to be higher and in turn you will run out of room to make power on these kits. Do not bother... High compression is the way to go. Porsche Turbo's are running 12:1 compression, yeah it is a Porsche but in all reality what is really different, both direct injection, both with great knock detection systems. Stick with the stock compression, tune it well which is completely doable with EcuTeK, just got to know what you are doing. It is a lot cheaper then purchasing an aftermarket system also. The only think I would think one would need are as follows on 91-93 octane: Probably need: - Clutch Organic (so it still slips a little and extends the life of the tranny) - A nice Air Filter System for this kit (coming soon...) - Full Exhaust and Headers (which most people have) - Fuel Pump (which most people have) Maybe need: - Slightly larger injectors (500cc) - MAP Sensor for Speed Density if MAF is maxed out That in all reality should be it. I do not see a need for anything else unless the bottom end just can not handle the power or axels start breaking. But I will not know until I get there. I just purchased a BRZ for development purposes so we shall see. Cheers, William Knose |
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#90 |
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Old...
Join Date: Feb 2013
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Bill, are you up and running with the 335 yet?
__________________
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#91 | |
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Senior Member
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#92 | |
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PhoneFlash by EcuTeK
Join Date: Dec 2012
Drives: Edelbrock Equipped - Subaru BRZ
Location: San Diego, CA
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Quote:
1. Piston design for optimal combustion 2. Charge temps 3. Cam timing 4. Direct injection, wonderful stuff 3. It goes on and on... So with that in mind, as long as have a good understanding of engine design and what to expect from an engine you can do one of the following for stock compression or higher compression. I have to say I learned a lot from my Crawford Performance days with all the crazy builds we did. 1. Remove timing and run the same amount of boost, though charge temps will be high, so need to be more cautious with timing. 2. Remove boost (less than a lower compression system would run) but you can run more timing with the lower charger temps across the board. It all comes down to air flow in and out of the engine, along with an optimal combustion. All that and you can run higher compression, less timing and more boost on 91 octane. I have even tuned a built STI with a Crawford 2.8 liter engine with 10:1 compression, a twin scroll GT37R turbo kit all on 91 octane (no meth B.S.) and we are hitting about 500whp on a dynojet all day long at 27 PSI. So it is possible, just need to know the secret sauce which is basically mayo, ketchup and one small ghost chili. Cheers, William Knose |
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#94 | |
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PhoneFlash by EcuTeK
Join Date: Dec 2012
Drives: Edelbrock Equipped - Subaru BRZ
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| The Following User Says Thank You to DeliciousTuning For This Useful Post: | BolognaWalrus (03-12-2014) |
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#95 | |
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Grip>Slip
Join Date: Jun 2012
Drives: 13 SWP BRZ Ltd - Innovate Powered!
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Quote:
I put my stock axle-back on every once in a while and even with headers and the nameless overpipe/downpipe/hfc it's still pretty quiet, especially on E85. |
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#96 |
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PhoneFlash by EcuTeK
Join Date: Dec 2012
Drives: Edelbrock Equipped - Subaru BRZ
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| The Following User Says Thank You to DeliciousTuning For This Useful Post: | Subzero (12-13-2013) |
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#97 |
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Member
Join Date: Aug 2013
Drives: 2013 Pearl White FRS
Location: Pocatello, Idaho
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#98 |
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Senior Member
Join Date: Aug 2012
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