Can anyone tell me what HP a continental PE90 would be I found one that actually looks like it has never been in a boat and it look like it is aircraft ready but the owner dont know wht HP rating it is the only # on the block tag is 3874568 which when I googled it cam back as a phone # or no information... I need 100Hp and understand that if its the right motor I can rebuild it to get that but I dont want to buy somthing I cant use