That's all I can think of & they were all black pre-1992/3 I think.
The HP465 was a bad-a$$ motor. It did have a very snotty cam, although it was not a roller-cammed motor it did have Crane Gold roller-rockers and 2.25/1.88 valves with a 800 Holley carb.
We had one in a 226ES Baja back in the day. Nice motor. Got lots of attention at the docks with the cam it had.
There was a 800EFI also that, along with the 1000SC was sold as a "race only engine". The 800EFI had a Hillborn style injection setup on it and Pontiac style heads (I think)
Last edited by JasonSmith; 04-23-2011 at 06:24 PM.
HP575 was carbed NA engine and only made for a couple years.
When did they come out with the 1000SC motor and when did they stop making it. Also what makes it a race motor what does it have.
383 Scorpions...Did the first ones have carbs?
Last edited by Back4More; 04-23-2011 at 10:30 PM.
Sydwayz, the 420's and 440 Cyclone's were all black, 425's were rare, but I believe had some blue, 450's had blue valve covers, intake, power steering pump, alternator, pulleys (some blue some black), and carb (just like HP500). The 465 had blue valve covers, carb, black intake. Yes, the 465 was a awesome sounding motor. I remember in 1993 driving a new 22' Velocity with one, man what a rocket. The old school 575 was a pretty mean motor too with the solid lifters and Stellings. Ah the memories!!!!
Last edited by Hessdk; 04-24-2011 at 09:15 AM.
is the NA575 the highest horsepower pump gas NA motor mercury had built? I know they build the supercat motors but they are pure race motors....
Last edited by A.O. Razor; 04-24-2011 at 12:50 PM.
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