After the 4age (legendary corolla engine) spat a rod, I bought a 7afe (different head, taller block, same bore) for $200 from a wreckers. ripped out the 4age and box, split them joined the 7afe and box and put them back in. Fart arsed around trying to get the eletrics hooked up, gave up, ripped the 7afe head off put the 4age head on, despite the fact that one of the cam bearings was totally rooted, oh yeah, re-used the head bolts LOL, that was 40,000 Ks ago...still going strong, touch wood. Its really funny most of the mechanics I talked to were like "It can't be done" "That's a waste of a head gasket" LOL