Quote:
Originally Posted by ERA Chas
What I'd check in addition to your current checklist:
Tire runout-always a G'year achillies heel.
Respect what you say about the power loading but I'd carefully inspect the balancer and its bolt and pulley bolts.
The new driveshaft-did they balance it? Did it shed a weight?
Best luck and please post your finds.
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I think it would shake even with no load, I can ignore a lot of things but this is a very violent event, feels like it is going to break something. I misphased my half shafts back in the 60's and it felt like this, shook only under power.
It was very smooth at well over 100 with light throttle but look out when the go pedal is down. I only ran about 8 laps because I was afraid it would break something serious and I wouldn't be able to attend the event. I asked Roger Kraus if the tires might be flexing in the sidewall and doing a slip stick under power, he did not think that was the problem. I did notice that one time it buzzed the tires and the vibration went away, but the torque loading would go away too. It feels like the drive line is being pulsed by some huge force.
Thanks Chas