Offshoreonly.com - CONTEST:Guess my Engine Dyno HP & WIN an Engine Alignment Tool

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- - CONTEST:Guess my Engine Dyno HP & WIN an Engine Alignment Tool (https://www.offshoreonly.com/forums/general-boating-discussion/230052-contest-guess-my-engine-dyno-hp-win-engine-alignment-tool.html)

racinfever

05-09-2010 09:13 PM

644 hp Why is the cam advanced 7 1/2 degree, is this a ski boat engine ?

klaw	05-10-2010 07:44 AM

5 hp

mbones

05-10-2010 07:52 AM

821

x7734x

05-10-2010 10:48 AM

595...

areyouliving

05-10-2010 11:12 AM

667

thumper038

05-10-2010 11:21 AM

Quote:

Originally Posted by mrhorsepower1 (Post 3106066)

Just a bit more info on the build: We did bowl pocket porting on the cylinder heads only. NO port matching on intake or heads. Camshaft is installed on 104.5 in take center line and 112 lobe separation . 10.0:1 compression Holley 850 double pumper not modified. USing stock Mercury Thunderbolt ignition. I see alot of good guesses out there! .... By the way we are step testing this engines to 6000 RPM

Mr.Horsepower

Looks like it will be real number's not inflated
I will guess now
1.15 x 557 =640.55
220 221 whatever it takes

whoya

05-10-2010 11:33 AM

Quote:

Originally Posted by thumper038 (Post 3107002)

Looks like it will be real number's not inflated
I will guess now
1.15 x 557 =640.55
220 221 whatever it takes

Actually 547CI
I was wrong when I first posted it.

Airpacker

05-10-2010 11:57 AM

687 at 6000

kvogt

05-10-2010 12:01 PM

582 hp

floatingphil

05-10-2010 12:55 PM

628 hp

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