Back in 2000, I dropped a '94 4.3 Vortec TBI Vin Z motor into my '81 DeLorean. It runs great but only has 165 hp. I was wanting to upgrade to a '96 or newer SFI 4.3 V6 but wasn't sure if the hp numbers are different on any of them. From what I've read (not much so far) they all seem to be...