I Have ross pistons and scat rods in my forged 4e running 1.4 bar hybrid td04 nearly 2 years with no problem, dont use speed vision hg tho, and people have even commented on how quite of a forged engine mine is, it sounds as good as standard
I've lapped in valves loads of times by hand its a cunt of a job but has to done, if u get good at it 5min to 10min per valve should do it, use the corse paste first then the fine stuff, u will see a good even shine all the way round the valve seat when done, its an idea to check them with petrol when fitted as wel,
I noticed after hard drive my intercooler pipe attached to inlet manifold actually gets pretty hot defeating the purpose of the intercooler, I know the inlet will heat up after hard drive but has anyone done anything to try keep temperature down in this area, bottom rad pipe is close to pipe to that isn't good idea,
Richard Bradley up north, joe power in Dublin, wcp in kerry, martin tracey,kieth mc mullen in cork, all decent mappers as well, What ecu are you using, what power you hoping for