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Blipper Shifter Diagnosistic

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Nikolay Stoytchev
(@nis1973)
Active Member
Joined: 7 years ago
Posts: 6
 

Yes, my mechanic ordered the parts from them earlier this week.



   
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Mark W
(@gobble)
Trusted Member
Joined: 6 years ago
Posts: 65
 

On the topic of blippers, let's say you're sitting in your garage with the engine running and the car is in third gear idling around 1,500 RPM. If you hit the paddle to downshift to second (car not moving), what RPM should the engine shoot up to for the downshift?



   
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JC Lee
(@jclee)
Eminent Member
Joined: 5 years ago
Posts: 18
 

@charleyhradicalsportscarregistry-com 
Charley, would you say that the movement in the actuator bearing is excessive?  I've been having a shift problem as well and that bearing moves in and out of the housing very similar to the movie that was shown.  Not having seen a new one, I don't know if that is normal or not.

I did find the actuator arm to be pretty worn as well so I replaced it but have a feeling that bearing is not supposed to move that much.  When bolted on the car with washers on it, it doesn't move liked that, so I wondered if it was OK, or not.

Thanks



   
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CharleyH
(@charleyhradicalsportscarregistry-com)
Famed Member Admin
Joined: 8 years ago
Posts: 1940
 

Hi @jclee, yes the movement in the video is excessive and can cause shifting issues.  Shifting issues are worth having an expert look at because it could be a simple fix, or it could be the start of something more serious.  Shifting issues can sometimes be a precursor to gears exiting the engine in undesirable ways…

 



   
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JC Lee
(@jclee)
Eminent Member
Joined: 5 years ago
Posts: 18
 

@charleyhradicalsportscarregistry-com Thanks Charley, that's what I figured.  Whenever we've had this shifting problem it has been due to too much movement in the actuator.  Eliminating that extra movement has always eliminated the problem.  Now that I know this bearing is bad, replacing it should stop it from loosening up again.



   
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Nicolas ch
(@nico-fr-18)
Trusted Member
Joined: 3 months ago
Posts: 36
 

Hello Im installing a VAC robotics paddle shift system.

The pneumatic actuator of the kit have  a 40 mm stroke (+20mm and -20mm)

I checked with the manual gearbox we need +15mm up shift /-15mm down shift

1/ Do you know the stroke of the oem actuator ?

I was wondering if using a 40mm pneumatic actuator instead of 30 mm needed could damage the gearbox ?.

Too ihave to cut the ignition coil signal

Did I well understood that there are 2 pin +9v on the coils + 2 pin signal ?

 my car is a 2003 model with a ngk jumostatic U2016 coil 

Should I cut the 2 wires +12v (and link them to the Vac ECU (only 2 wires coming out of the ecu))

thanks

nico

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image


   
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Nicolas ch
(@nico-fr-18)
Trusted Member
Joined: 3 months ago
Posts: 36
 

Today I tried to cut the ignition coil wire one by one and didn't find one cutting of the engine. 2 wires are signal but the 2 other wires don't stop the engine.

I don't know what to do more.

IMG 20260201 150237


   
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Nicolas ch
(@nico-fr-18)
Trusted Member
Joined: 3 months ago
Posts: 36
 

I finally cut the ignition at the 2*87 connector of the relay and it works fine now 



   
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