TKO 600 or leave the M21?
Hmmmm, since I'm pretty sure I'll be doing a new clutch on the SS396 sometime in the fall/winter I started debating getting a TKO 600 5 speed overdrive so it would be easier to drive on the highway. The M21 in the car is not the original trans so I don't really care that much about it. And there are complete kits that bolt the TKO 600 straight in with no cutting and would look almost completely stock original. But I think the 69 Z28 would be real jealous if I put money into the 70!
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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