Originally Posted by dojj
one way valve
the only thing youhave to worry about is the fact these engines will blow head gaskets, and this is what you don't want to happen as if you don't catch it early enough, the head becaomes nothing more than scrap
hmmm. theay do have problems with the std headgasket that theay were fitted with when theay were new.but fit the new headgasket, that you buy from ford now and have been able too the last many years then no problems.
and you say that the head is crap... doo you have a DOHC sierra???
if not, then don´t talk abaut it. its fine for tuning.. take a look at it. big valves and ind/ex channels.
the problem are that noboddy have been tuning the dohc engine in UK, but that dont mean that it cant bee done. and the gay diddent ask abaut what cant be done. but talked abaut what can be done.