hi guys i no a l28 will bolt in 2 my 240k but can i put a l24 head to the l28 block . im thinking it would increase compression id would also use flat top pistons .ive done this with an l18 on a l20b block witch made a fair difference . is there any reason this cant b done ?

Yes it will fit,

valve size maybe smaller than the L28 head, depending on what L24 head you got,

Nigel

thanks for the reply Nigel do u think the smaller valve would b a problem ?.i have a couple of heads so il check them out thanks

Also some heads have different chamber sizes as well,

what head was on the engine, and what heads do you have

there's a casting on the front right hand side ( near where the fuel pump fits), may have N42, N47, E88, etc..

http://www.bandmzcars.com/headinfopage.html

Nigel

hay Nigel ive got the early 240k e30 head its off a 4 door 240k that i owned a few years back it had only done 50.000 ks from new so the head is in very good cond .so bigger valves and port it out should b ok .f54 l28 with flat top pistons and that e30 head should b a good thing

try this,

http://www.ozdat.com/ozdatonline/enginedesign/

yea checked out thanks