Is it true that Borgo changed the design of their 10.4 to 1 pistons and that they now work better than the Motronics 10 to 1 ? (Which I understand they did not, previous to now.) FriskyAlfa 73 spider---In the street every day. 74 spider---In the works to be a roadrace racecar. 76 spider---In the weeds. ------------------------------