SailNet Community - Reply to Topic

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Gas > Atomic 4 > plug blues
 Not a Member? 


Thread: plug blues Reply to Thread
Title:
  

By choosing to post the reply below you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Message:
Trackback:
Send Trackbacks to (Separate multiple URLs with spaces) :
Post Icons
You may choose an icon for your message from the following list:
 

Register Now

In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Click here to view the posting rules you are bound to when clicking the
'Submit Reply' button below


Additional Options
Miscellaneous Options

Click here to view the posting rules you are bound to when clicking the
'Submit Reply' button below


Topic Review (Newest First)
03-29-2010 09:59 AM
QuickMick oh btw, when i changed it i had to yank the pump, and while it was off i went ahead and cleaned it up on the grinder, as well as used a stick and sand on the workbench to clean up the round plate too
03-29-2010 09:56 AM
QuickMick
impeller

changing my impeller was one of the first things i did. make sure you seacock is alway open when you fire, else those little impellers burn up pretty quick. when i yanked the old one it barely had 1/2 a fin left...
03-25-2010 01:23 PM
marianclaire how do I know if I have a direct drive or v drive? where can I read up on these?



Moyer Marine Atomic 4 Engine Rebuilding and Parts Everything you want to know about the A-4 and then some. Dan S/V Marian Claire
03-25-2010 01:01 PM
kwaltersmi $15k rebuild? Try a $10k repower instead.

Or...use PB Blaster, which much more effective at loosening struck hardware in my experience than WD40. Be cautious of overspray and what the PB Blaster comes in contact with. Also, have you tried removing the plug after the engine has been recently run so that the block is warm? Cold blocks/plugs are more difficult to remove than warm plugs.
03-12-2010 11:46 PM
hellosailor " break some stuff in the process (bolts at least)"
Seriously, PBlaster is nothing like WD40. It makes snapping bolts very unlikely.
03-12-2010 10:11 PM
fordo A rebuild shouldn't cost that much. $11-12,000 would get you a new diesel installed, with new bedding and exhaust system. A rebuild requires no modification, just unbolt remove and replace. Still, your plan is worth trying. Check the compression and make sure the exhaust manifold is not leaking seawater into the exhaust. Then replace the parts you mention.
03-12-2010 01:16 PM
acceri I was considering that..I would have to remove it,take it apart, break some stuff in the process (bolts at least) ,clean it up and put it together...
If I go through all of that (and break some stuff), I might as well rebuild it..I have never rebuilt an engine. Moyer for $5,000 ..,pay someone to get it out,then in and ship it ..both ways..
So what do you think $15,000 ?

I think I'll try cleaning up rust, replace frozen plug, rebuild carb, replace impeller, replace belts and hoses, replace thermostat, replace points...see how that works first..and if I dont snap some bolts I could get delay the rebuild and $15,000..
03-10-2010 07:06 PM
sailingdog Given the photo, I would highly recommend disassembling the entire engine and treating it.

Quote:
Originally Posted by acceri View Post
I have an atomic 4 in my pearson 10m , 1974


spark plug is rusted in cyl #1, engine runs but plug hasnt been changed for 3 years. Now that its my boat, I'd like to fix that.. I tried wd 40..afraid to break it off..

how do I know if I have a direct drive or v drive? where can I read up on these?

I'd like to try and change the impeller as well..I think I need more than wd 40..
Photobucket
03-10-2010 06:43 PM
tager Holy Rust! Yea, PB Blaster is the preferred solution. Mystery oil might work too. Maybe focus on fixing known issues like rust before worrying about things that still work.
03-10-2010 06:13 PM
FSMike Try Power Blast aka PB Blaster. Spray the offending area, tap it a few times with a hammer, and let sit. Repeat several times a day if possible for a week, then try removing the plug. Warning: Power Blast has been known to melt things not made of metal.
On another issue, I'm impressed that your engine cranks with the amount of corrosion showing on your battery terminals. You need to apply some serious elbow grease to that engine's rust issues.

Straight drive is one straight shaft running from the engine aft to the propellor. A vee drive runs initially from the engine towards the bow, then forms a vee and goes back to the prop.
This thread has more than 10 replies. Click here to review the whole thread.

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


All times are GMT -4. The time now is 08:17 AM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012

The SailNet.com store is owned and operated by a company independent of the SailNet.com forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.