Quote:
Originally Posted by Mark Yacavone
Wow. Did you put any kind of ballast or weight box into it?
My 1980 HB was 300 # light when I got it done. I had done the research and built a permanent 100# into it before I even started bolting weight in.
I would recommend at least O/SA with it.
Of course a lot of your data from last night would be skewed by adding that much weight.
But then ,if you weren't making any power anyway, due to electronics, maybe not.
I'd say tune the computer first, then put the weight in it for O, then start over.
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Had no clue what the weight was until I scaled it at the track. Now that I know I can build ballast boxes...probably carry a heavy spare wheel/tire to boot.
Disassembled the rear-end today and found nothing terribly wrong. Ring/pinion is smooth and easy...with rotor/pads bolted up it requires a little more effort to turn. Surprisingly the greatest resistance to movement is from the driveshaft. Even removed from the pinion flange it is strangely difficult to turn in the normal rotation...fairly easy turning backwards (trans in neutral). I believe the vibration I felt on the first pass was simply the solid upper control arms in the torque boxes (no bushings).
I'll do some more tuning on it, but I fear the engine might not be capable of producing the required hp in it's current state...we shall see.