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Old 09-24-2020, 09:38 PM
kyleb kyleb is offline
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Join Date: Apr 2010
Location: melbourne, vic
Cobra Make, Engine: Robnell Blown LS1
Posts: 296
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I also had a similar problem with hard shifting with my TKO600 and it was a bugger to get into 1st whist stationary.
Long story but we had fitted a HTOB which bolted to the input shaft housing on the trans.
The bolts were slightly too long and were pushing against the main shaft shims which was effectively over-shimming the main shaft.
Eventually worked this out and rectified... Now shifts beautifully.
Maybe worth checking the main shaft has been shimmed correctly.
Cheers
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