top speed
I would figure that they couldn't keep up past 120+.
Stock tach gets a little laggy in the high rpm range too so just remember that.
A lot of people over rev and the motors really not making any power to do so.
IMO the stock valve springs are **** and probably shouldn't be revved past 5800.
My car loves to be short shifted. I do the 1-2 at 5200 and it pulls like a train when I hit 2nd, drops right back in the power. Then I shift the rest at 57-5800.
YMMV
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