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Search: Posts Made By: prh77
Forum: Diesel   03-23-2011
Replies: 274
Views: 22,162
Posted By prh77
Sorry to get kind of heavy with my post about the...

Sorry to get kind of heavy with my post about the tranny, but....... I am an aircraft mechanic and make many determinations about complex mechanisms using videos and boroscopes. If indeed the drive...
Forum: Diesel   03-23-2011
Replies: 274
Views: 22,162
Posted By prh77
Sorry but I have to jump in. With lack of an...

Sorry but I have to jump in. With lack of an engine and " mainstream " stuff like insurance, you are a liability to yourself and gallant Coasties who are going to save your life someday. I am all for...
Forum: Atomic 4   11-13-2010
Replies: 12
Views: 9,828
Posted By prh77
You are looking at a $7000-10000 price tag. You...

You are looking at a $7000-10000 price tag. You can buy a lot of gas for that amount. If the A4 was rebuilt, why not just keep it. Great motors.
Forum: Atomic 4   11-03-2010
Replies: 4
Views: 921
Posted By prh77
I am assuming this is a raw water cooled A4. Most...

I am assuming this is a raw water cooled A4. Most likely rotting from the inside out. Price had better be good, as a rebuild is $2500-4500 depending on core condition and how much work you do...
Forum: Diesel   10-25-2010
Replies: 2
Views: 819
Posted By prh77
You should prop the boat so that with a clean...

You should prop the boat so that with a clean bottom and no wind you indicate 3400-3600 rpm at full throttle. Many times the tachs are off so you need to check this also
Forum: Diesel   10-25-2010
Replies: 16
Views: 2,022
Posted By prh77
As I understand it, it is a question of glazing...

As I understand it, it is a question of glazing the cylinder walls as a result of low load, and then oil use, low compression etc. Everything I have ever read says run these engines hard, 80 % max...
Forum: Diesel   08-18-2010
Replies: 8
Views: 8,225
Posted By prh77
I have a YSM 12 service manual I would be willing...

I have a YSM 12 service manual I would be willing to scan for a fee
Forum: Diesel   05-18-2010
Replies: 2
Views: 1,042
Posted By prh77
Most of the Westerbekes are based on Japanese...

Most of the Westerbekes are based on Japanese engines- many are Mitsubishi. Just about all of these use ND injectors. All that Westerbeke does is buy these parts, paint them red and triple the price....
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