SpeedMaster High Rise 4150 EFI Manifold for SmallBlock
I use the SV intake. If using aluminum heads and non stock valve covers ,there are issues. Grinding of the injector bosses and upper valve cover flanges (depending on brand)will be required.one picture shows a cast cover not able to seat ,The fabbed covers had to be "notched" to clear the already clearanced injector bosses. Last pic shows minumum clearancing needed.I just replace the polished covers (cracked baffle welds) with Mr.G #6861bg fabbed black covers and they required the same treatment to fit.
I use the SV intake. If using aluminum heads and non stock valve covers ,there are issues. Grinding of the injector bosses and upper valve cover flanges (depending on brand)will be required.one picture shows a cast cover not able to seat ,The fabbed covers had to be "notched" to clear the already clearanced injector bosses. Last pic shows minumum clearancing needed.I just replace the polished covers (cracked baffle welds) with Mr.G #6861bg fabbed black covers and they required the same treatment to fit.
