Originally Posted by
LukeDaisley
most 2nd hand engines will come as a bear engine block. the better manifold you are referring to have a improved butterfly flap as they had a tendency to brake and get sucked into the engine.
it may be better/ cheaper to rebuild the engine you have.
I've been told it won't, they could strip it down and it could still be something that can't be fixed, and that's all additional labour I don't want to pay for.