Thanks for all your helpful comments. As it turns out I had offered $1200 (he was asking $1950) and while he was considering my offer someone else offered $1600 so he's the lucky one. However, he lives in Frisco, Colorado which must be around 8000-9000ft elevation. He may be surprised at the difference in performance at that altitude. At 5280ft I was willing to put up with some sluggishness but I believe I'd be hankering for a turbo if I lived any higher.