Thanks All At the moment am waiting for reply from RPI on a few questions but am looking at going the tophat way as originally planned especially as it has been used by your selves. again thanks. Hooperman Cardiff :doh:

Hi Might be late now but have same trouble did head gaskets lasted year tried miracle stuff in water ran it up went ok took it on road back and for to work for several days then she just brewed up. took heads off and found cracked liner. Need new engine.

Hi All I'm a newbie on the track and would like some advice if possible. My 4.6 has a cracked liner and I was looking at getting it top hatted, then I came across this site on internet for RPI Engineering who say they actually cast new V8 blocks to a higher degree of accuracy than Land...