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Forum: Sport Boats

05-15-2014, 08:58 PM

Replies: 18

performance issue 1900 sr 5.0 220hp

Views: 10,119

Posted By mmwjr

That's in line with what I thought. Have fun...

That's in line with what I thought.

Have fun with the bearing, are you doing the bellows as well?

Forum: Sport Boats

10-05-2013, 12:02 AM

Replies: 18

performance issue 1900 sr 5.0 220hp

Views: 10,119

Posted By mmwjr

slow, it seems to be time to have the heads...

slow, it seems to be time to have the heads rebuilt and check the exhaust system (manifolds and elbows) it may need replacement as well.

BTY: compression would go up when the engine is warm. i.e....

Forum: Sport Boats

09-23-2013, 03:56 PM

Replies: 18

performance issue 1900 sr 5.0 220hp

Views: 10,119

Posted By mmwjr

The plot thickens! If nothing else a gimbal...

The plot thickens! If nothing else a gimbal bearing that is about to either lock up or fall apart can damage the outdrives input shaft and cost you even more $'s. Stop using the boat and fix this...

Forum: Sport Boats

09-21-2013, 09:47 PM

Replies: 18

performance issue 1900 sr 5.0 220hp

Views: 10,119

Posted By mmwjr

Dropping to the pitch from 21 to 19 should give...

Dropping to the pitch from 21 to 19 should give you ~250 rpm. I'd check for slack in the timing chain as well. Using a ratchet turn engine to TDC pull cap to verify rotor is on #1 plug then start...

Forum: Sport Boats

09-21-2013, 11:55 AM

Replies: 18

performance issue 1900 sr 5.0 220hp

Views: 10,119

Posted By mmwjr

Did the 14 1/4 x 19p give better performance than...

Did the 14 1/4 x 19p give better performance than the 14 1/4x 21p? Doesn't sound like the boat had a excessive load.

18* timing is not correct, not sure what the correct time is but where you have...

Forum: Sport Boats

09-20-2013, 11:35 PM

Replies: 18

performance issue 1900 sr 5.0 220hp

Views: 10,119

Posted By mmwjr

Slow95gt, first of all welcome aboard. So...

Slow95gt, first of all welcome aboard.

So slow by 10mph is what you believe, therefore expecting top speed of ~ 52mph. How many folks on board? How much gear weight? What are sea conditions?
...

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