When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
medium to hard acceleration I feel/hear thumping on the floor/ in the pedals.
It only happens during acceleration, no difference clutch out/in, transmission in/out of gear. Obviously you cant accelerate unless in gear with clutch engaged.