who has a welder onboard, brand, and likes/dislikes. What are the alternater specs?? I have a local rebuilder than can build me anything. He put together a 143 amp stock cased unit for me under for 90 bucks, but I wasn't sure if that was gonna work. He says he can still go bigger, just didn't have parts there. the 143 was at 6300 rpm, will never see that!! was 65 amps at 2500. Whats needed??