Recent content by Oliver Ring

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    RBT

    Having had some experience with these gearboxes I would recommend using a GL-4 gear oil.
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    Six Speed ZF Info

    The RBT-6 transaxle is 55 mm or 2.165" longer than the 5DS-25/2
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    ZF-2 Identification Please

    Bruce, The original application for your gearbox is listed as an Alcorta Sportwagen, that doesn’t mean much it could have just been someone named Alcorta ordered a gearbox for his sports car. It is practically the same as a BMW unit but with different ratios. The input shaft is of the BMW type.
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    ZF-2 Identification Please

    Bruce, The gearbox identification tag has a 10 digit number starting with, 1031 002 ??? The last three digits will tell what the original application of the gearbox was.
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    Old Mk 2 pictures

    I don’t know where the photo was taken but it is at a Holman Moody facility of some sort. The CP on the door is the Holman Moody “Competition Proven” logo. <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com<img src=" /><o:p></o:p>
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    ZF Gearshift Bias

    Steve, The 002 131 tells me what gearbox you have. The light spring has 11 coils of 1.4mm diameter wire. If you need one it can be purchased from RBT Transmissions. They advertise on the forum. Best regards, Oliver
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    ZF Gearshift Bias

    Hi Steve, Your gearbox if it were in the original configuration should have one of the lightest springs ZF offered going into the 4<SUP>th</SUP> 5<SUP>th</SUP> gate. The gearbox was originally built for a Giocattolo so it is possible that a heavier spring was installed when it was converted to...
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    ZF Gearshift Bias

    Steve, You can change the springs on the cross shaft. Depending on what spring you have there may be a softer one available. Is your gearbox a ZF or RBT what is the model number off the type plate? 1031-???-??? Oliver
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