Mercruiser 330 or 310hp cam at idle?
I have never owned a stock I/O. My Scarab 1 with a 350 had a cam, carb and intake and it showed at 62mph. My 240 Baja had a 440 cam, 502 intake and carb but stock heads so she made roughly 400hp and sounded mean. I know nothing about this engine except it just says 7.4L and has the oval port heads and looks stock but....she has a pretty darn lopey idle for a stock engine and is an animal. Reason I ask is I am getting about 5k swinging a 23 Mirage and 65+ w/ 2 people and 3/4 fuel which some say here is not possible with a 330 or 310 454. My mechanic thinks I might be able to swing a 25" after go for a ride with me. So again do stock low hp 454's have a lopey idle or smooth like truck engine?
Nick
1994 22' Classic-454 B1 Red & white
1981 13' Whaler sport(original owner)
South Tampa Bay, FL "May I mamoo dogface to the banana patch?"