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  1. matzell

    Custom "FJ40" build Advice

    http://www.zerogravityperformance.com/product/tcm-2650-mechatronic-transmission-controller-6l80e-6l90e-6l50e/ This guy knows his stuff. He designed the 6 spds for GM. He does my tuning and helped supply the parts to beef up my 6L80. Other racers use him as well.
  2. matzell

    Custom "FJ40" build Advice

    No worries, I did install a higher stall, about 500 over stock but the speed itself is fast and when going down hill you can not lug. I even have Wilwood 6 piston calipers and 14" rotors. You are right a higher stall should help the driving through the brakes issue. I would rather have a...
  3. matzell

    Custom "FJ40" build Advice

    That is the way I am, on the brakes all day long... and they are non-power! sucks!
  4. matzell

    Custom "FJ40" build Advice

    It is about 42:1 running 37' and/or 40's.
  5. matzell

    Custom "FJ40" build Advice

    I think the biggest issue is most of the people I trail ride with have real low gearing. Last time I had it out, I would wait back about 50 yards and then catch them quickly. They wheel too slow. I am at 80:1 in my small tire FJ40 and out pace the guys I wheel with too! I always seem to end...
  6. matzell

    Custom "FJ40" build Advice

    My race car has a 6L80 and a Np205 (1.96:1) and 5:38's. It does good at what it was built for (KOH), but sucks trail riding and technical stuff. It is not slow enough. I would think a 4:1 case would be better but if you have the room I would do a 4spd atlas all day long. I had a Black...
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