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BRZ First-Gen (2012+) -- General Topics All discussions about the first-gen Subaru BRZ coupe |
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01-31-2022, 06:48 AM | #15 |
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This is true, it would be beneficial to take that money spent upgrading the stock components and putting it aside for the larger ones to come. Both of which sound way better instead of having to worry about stock components all the time
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01-31-2022, 08:24 AM | #16 | |
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01-31-2022, 08:34 AM | #17 |
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The car still has some serious grip. The power delivery is very linear though, there's really no drastic spike in torque. I know that these transmissions are fragile, but I've heard they're good for 400hp. I know you don't really use HP when talking about a transmission but I'm well under that mark, and am sitting around 250 ft lb which I thought was fairly reasonable for these transmissions? Pushing it, but reasonable
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01-31-2022, 12:13 PM | #18 | |
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01-31-2022, 01:02 PM | #19 |
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01-31-2022, 02:35 PM | #20 |
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The transmission is rated at 210ftlb and it's most likely at the crank. Your 250 ftlb is being measured at the wheels so the crank out put is higher. Interpret that however you want.
My advice would be to lower your boost so that you're not worrying about blowing up your transmission or bending a rod until you can address those issues.
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01-31-2022, 03:11 PM | #21 | |
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01-31-2022, 03:31 PM | #22 | |
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01-31-2022, 04:00 PM | #23 | |
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01-31-2022, 04:08 PM | #24 | |
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Jacks Transmissions has upgrades that are well detailed, but it is about the same price if not more expensive then doing a cd09. Who knows how long they will last under the power you plan on making. Edit: I keep a spare trans on hand even NA because I track my car. The syncro's are flimsy and they can be had for 400-600.
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Last edited by NoHaveMSG; 01-31-2022 at 05:49 PM. |
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02-04-2022, 08:18 PM | #25 | |
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02-10-2022, 02:43 AM | #26 |
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I'm still on the original gearbox with a maxed Harrop S/C and a built engine, e85 etc.
I'm sure it will let go at some point, but as others (and you) have said, treating the gearbox with respect does help a great deal in getting as much life out of it as possible. I also dont chase huge grip, so the tyres can act as a driveline "fuse" to some extent. When the box does die, I'll just replace it with a low use secondhand unit. I also went with uprated CV's, clutch and engine mounts. But I really do think that the basic "basics" are super important as you modify for performance: * thoroughly warm the car up before use * reguarly change fluids (and only top quality fluids) * drive hard but always with mechanical sympathy * constantly open the hood, crawl under the car and listen to her. ** and make sure the rest of the car is dynamically up to scratch for your power increases. |
02-18-2022, 05:29 PM | #27 | |
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Try there unless you're already on. Gl hf. |
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02-26-2022, 06:56 PM | #28 |
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a lot of the drivetrain shock can come down to tires. if you have the ghetto Prius tires on it it's not going to grip enough to do any damage. if you have some good tires on it you will run into issues
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drivetrain, reliability, suspension, track, turbo |
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