You need to check the part# on them. There are 2 different Siemens 55lb, a high-z and low-z.
Part# 3102 needs a modded ECM.
Part# 3172 does not need a modded ECM.
You need to check the part# on them. There are 2 different Siemens 55lb, a high-z and low-z.
Part# 3102 needs a modded ECM.
Part# 3172 does not need a modded ECM.
I think his e-mail is bob@baileyengineering.com ,but if that doesn't work, Full Throttle is a board sponsor. Just click on Mikes link on the home page.