|
Racing Beat sells aluminum "irons", a few places in Australia do as well. They seem to hold up as long as they're properly coated. The major downside is price. They are very spendy. The housings are already aluminum. Aluminum rotors do not stand up well from what I've heard, they are mainly used in purpose built drag race engines that get torn down regularly. The steel sleeves in the housings you are talking about are replaceable, but not easily. If you don't have a lot of experience with them it's better to have someone like Chip Ursu recondition your housings and replace them or get new housings. The chrome on the housings is always a high wear item and they need to be inspected closely as the housing surface and the apex seal need to form a very smooth fit to keep the combustion pressure in.
A lot of people have been working on re-chroming housings, but no one has been successful yet as far as I know. There are a few people that have built all aluminum engines, minus the aluminum rotors, that have worked well. There are even companies in Australia that build all billet aluminum engines. Either one takes very deep pockets to even think about.
|