Nope....And I used scotts for about 9 years now, no problems, if you had a problem then it might been the ****ty ass stuff you bring to him an try get fixed....I and My good friends at Acura honda specs in Jonesboro that is all they use also, I have about 5 others i know that use them threw IA that had no problems, Scotts does know his ****t, I will back that up...He balanced an shot pined a lot of my engines, an sleeved an bored an honed, an gave me a reach around lol......never had any problems....parts goes never done anything with them the chosen one