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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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04-21-2017, 09:12 PM
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#1 |
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Start up
Hello,
Recently made some exhaust mods and the cold start in the morning is brutal. I actually feel bad for my neighbors. I did notice that if I quickly put my car into neutral or reverse or drive right after I start up that the engine drops its idle from 1.6k to 1k right away and the loud rasps is gone. If I do this everytime I start my car and sit on neutral for a few minutes for the car to warm up, do you guys think its safe?? Last edited by sixthree; 04-25-2018 at 03:36 PM. |
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04-21-2017, 09:30 PM
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#2 |
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Sometimes I'm wrong.
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Yeah it'll be fine. Your cats just wont heat up as fast. Won't affect how your car runs.
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04-21-2017, 09:55 PM
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#3 | |
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Quote:
 but I am considering a new front pipe. CNT Resonated front pipe $250 or Berk Catted front pipe $350 Which one do you guys think will eliminate the sound more and produce less rasps? |
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04-21-2017, 10:13 PM
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#4 |
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It's not just rpms, that make cold starts loud. Also ignition/valve timings so that more unburnt fuel is thrown in exhaust, again, for mentioned quicker catalisator heating to working temps.
One can tune out or reduce cold-starts in ECU tune. By oneself, if having something like OFT or tactrix cable, or asking tuning shop's tuner, if via ECUTEK. |
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04-22-2017, 01:32 PM
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#5 |
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I feel your pain. I go into work early AM hours. On cold start I'll set off the alarm of the car next to me. I gotta put it in reverse right away to prevent it from happening.
Instagram @Blue.icee.brz |
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