Originally Posted by
primetime
The difference from b18c5 and b18c1 is that the pistons in th c5 yield a higher Compression ratio! the oil pump, pumps more oil. anybody else know anymore difference?
c5 and c1 oil pumps have the same part numbers. so i dont see how a c5 pump can flow any more.
Originally Posted by
ivan323
So the material for buliding C5 is the same?
Cos i thot C5 block is stronger n meant for holding high rev dan B18C
like i said in your other thread, the c5 crank is heaver so it can withstand the higher revs. as well as having dual springs on the intake and exhaust sides of the head and lighter intake valves.