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East Coast B

07-25-2005 05:50 PM

HP rating for a 1990 OMC King Cobra??

There is a 1990 boat advertising a 454 omc king cobra with rated hp of 385, is this the correct hp for that engine? It has a pic of the motor and it is a carb.

Any good or bad with this engine setup?

FOUNTAINATLAST

07-25-2005 11:05 PM

Re: HP rating for a 1990 OMC King Cobra??

The standard 454 had 330HP the HO 454 came with 360HP. One sign is the HO came with a Holley Carb part # 8010. The other difference was the 330HP had 8.2 to 1 compression the HO had 8.7 to 1, hope this helps.

East Coast B

07-26-2005 05:17 AM

Re: HP rating for a 1990 OMC King Cobra??

Thanks for the info, I really appreciate it!! I also found this link which states they didn't start the HO until 1992.. http://www.sterndrive.com/details.cfm?productid=1127

FOUNTAINATLAST

07-26-2005 09:38 PM

Re: HP rating for a 1990 OMC King Cobra??

I had a 90 Liberator and according to all the numbers it was a HO, had the correct carb on it too.... It was purchased from the original owner, whom I still see every once and a while at the lake. According to him minus a valve job that motor was original????

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