Originally Posted by PERROTTO

I have the Fms that has been completely modded by Mr Houston. The bottom end on the Fms is there but u just have to find it. What has worked for me was the nova 41021 header coupled wit the 9853ss. Try removing one of the small shims underneath the head. This will help with the bottom end and also tame the abrupt midrange-top powerband. Always run the most stiff clutch springs with hard aluminum shoes. And keep the clutch maintained. With this combination I have found that the low end is jus as impressive as my plus4c.