CrazyDudeWithARolla

ok...thanks for the tip and advise...

hi,I'm new to this site...and was hoping i could get some tips and info for my ke70. so i was planning on using the stock 4k engine but change to 5k engine block and piston and still using the 4k head...is this okay?...and about the exhaust for a i.3L/1.5L...is a 2 1/4" size good? or just a plain 2" is good enuff? and what about the piping?...oh ya...and using a 4 throttle on the k-series engine is it possible? if so...what is needed to modified in-order to install it? i was planning on getting a 4age...but i got fired...so yea XD sorry lol...i have more to ask...but these question is bugging me alot... please and thank you!