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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15.


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Old 11-20-2018, 12:53 PM   #1
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Gear Grind on PowerShift

Hello ,

I want to ask i had install z32 gear into sr20det in my s14 silvia .
running ORC triple plate clutch with Type A Full Engagement Release bearing.

my shifts are normal and no noice or grind when changing gears. but in some track race or road race when i try to power shift the gear it dont shift and grind.

can you tell me what could be the reason of gear grinding in powershifts ?

is it my release bearing ? or sale cylinder or my gear syncros ?

please help.

thank.s
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Old 11-20-2018, 04:43 PM   #2
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Your synchronizers cannot slow the gears/shaft in time to allow the gears to mesh when you are full throttle shifting.
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Old 11-21-2018, 04:50 AM   #3
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what can i do to make it powershift. ???
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Old 11-21-2018, 07:28 AM   #4
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Set the car up with a standalone ems that supports no lift shifting.
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Old 11-21-2018, 07:31 AM   #5
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Set the car up with a standalone ems that supports no lift shifting.
Already Running Aem v2

Engine Detail : Complete Built sr20det , with 6466 Turbo
makeing 538whp on 25 psi of boost.

running z32 gear with ORC triple plate clutch . with mazworx conversion kit.
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Old 11-21-2018, 07:36 AM   #6
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You can always build the transmission. Straight cut gears life.
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Old 11-21-2018, 07:57 AM   #7
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Okay, just because you have an AEM v2 doesn't mean that it's been properly set up for no-lift shifting. Is it cutting either fuel or ignition when you push the clutch to shift gears?
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Old 11-21-2018, 11:36 AM   #8
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Okay, just because you have an AEM v2 doesn't mean that it's been properly set up for no-lift shifting. Is it cutting either fuel or ignition when you push the clutch to shift gears?
well i need to ask that from my tuner
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Old 11-26-2018, 12:28 AM   #9
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Okay, just because you have an AEM v2 doesn't mean that it's been properly set up for no-lift shifting. Is it cutting either fuel or ignition when you push the clutch to shift gears?
Okey its on fuel cut. and not on ignition cut.
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