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Search took 0.00 seconds. Search: Posts Made By: mmwjr
Forum: Engines 08-15-2013, 07:58 PM
Replies: 38
Views: 11,160
Posted By mmwjr
Glad to here you're running again. SCR:...

Glad to here you're running again.

SCR: Sports Cruiser
Forum: Engines 08-08-2013, 04:53 PM
Replies: 38
Views: 11,160
Posted By mmwjr
Sounds right to me. BTY: don't sell yourself...

Sounds right to me.

BTY: don't sell yourself short I bet most folks with this same set up don't know about the need to check to ensure there is oil here. Once you get the pictures it might be...
Forum: Engines 08-08-2013, 04:11 PM
Replies: 38
Views: 11,160
Posted By mmwjr
Wasn't sure myself and did a quick google. There...

Wasn't sure myself and did a quick google. There is a plug on the unit to check and fill the oil. Sounds like the pump must be removed to do so. Therefore do this service when changing impeller.
...
Forum: Engines 08-08-2013, 11:35 AM
Replies: 38
Views: 11,160
Posted By mmwjr
That is worn. Typically a mechanical fuel pump...

That is worn. Typically a mechanical fuel pump mounts to the engine block and is lubricated by the engine oil. In you case this vintage of the 7.4 was intended for fuel injection for street use. When...
Forum: Engines 08-07-2013, 10:17 PM
Replies: 38
Views: 11,160
Posted By mmwjr
If the engine is starving for gas then it can't...

If the engine is starving for gas then it can't make full power. The drive ratio may still have been an issue, hard to say. At this point just need to install new unit and see how it performs.
Forum: Engines 08-07-2013, 05:44 PM
Replies: 38
Views: 11,160
Posted By mmwjr
Jr, sounds like this could have been the problem...

Jr, sounds like this could have been the problem all along. So new fuel pump and new or rebuilding raw water pump that drives the fuel pump. If rebuilding pump did you verify housing is Ok and that...
Forum: Engines 07-23-2013, 04:13 PM
Replies: 38
Views: 11,160
Posted By mmwjr
Always a pleasure to help fellow...

Always a pleasure to help fellow boaters:pirate-sword:
Forum: Engines 07-23-2013, 11:41 AM
Replies: 38
Views: 11,160
Posted By mmwjr
Jr, glad you resolved the performance and the new...

Jr, glad you resolved the performance and the new drive payed off.

New issue bogging at high rpms, change filters, pour the old gas from filter into a clear container and let it settle and look...
Forum: Engines 07-21-2013, 11:34 PM
Replies: 38
Views: 11,160
Posted By mmwjr
Jr, thisboat is no pocket rocket but if you are...

Jr, thisboat is no pocket rocket but if you are looking for a nice cruiser that will run low to mid 30's this boat should do the trick. What Country provided will definitely help. Only caution is...
Forum: Engines 07-20-2013, 04:14 PM
Replies: 38
Views: 11,160
Posted By mmwjr
Jr, buying another drive is a costly experiment....

Jr, buying another drive is a costly experiment. The ration of 2:1 means that for every 2 revolutions of the drive shaft (input to out drive) the prop shaft will rotate 1 time. If you have the wrong...
Forum: Engines 07-15-2013, 04:27 PM
Replies: 38
Views: 11,160
Posted By mmwjr
JrJ01, best of luck and report back on the...

JrJ01, best of luck and report back on the findings from the shop.
Forum: Engines 07-15-2013, 11:37 AM
Replies: 38
Views: 11,160
Posted By mmwjr
Going from a 19 to a 23 pitch prop will bring the...

Going from a 19 to a 23 pitch prop will bring the rpms down and the top speed with it, however bottom performance (time to plane) will improve. How are you measuring the boats speed? Onboard speedo?...
Forum: Engines 07-11-2013, 11:43 AM
Replies: 38
Views: 11,160
Posted By mmwjr
I had this happen on my last boat and the result...

I had this happen on my last boat and the result was the prop would blow out (lose bite) under load. In my case it was a brand new prop that failed so I was able to get a new one and that fixed my...
Forum: Engines 07-08-2013, 04:03 PM
Replies: 38
Views: 11,160
Posted By mmwjr
JR I agree with Pas the boat should do better...

JR I agree with Pas the boat should do better than 30 mph. How many passangers were on board? What was the rpm? Pull prop and check the part number to find pitch and diameter.

180 is a little hot....
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