Return to the home page...

Go Back   Moyer Marine Atomic 4 Community - Home of the Afourians > Classified Ads > Wanted to Buy - Engines and Engine Parts

Reply
 
Thread Tools Display Modes
  #1   IP: 97.32.65.199
Old 05-10-2017, 11:17 PM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
Early atomic 4

I'm rebuilding an older a4 out of a 64 Pearson (26') and I had a couple of questions. First question is, how do I determine the exact year? I know it's close to the original year but the engine was rebuilt recently... well not recently, but there's very low hours at most. I was wondering if anyone had an original cooling line that goes between the head and manifold? You know the pretty cast iron one, the catalog is a little confusing it shows some ugly radiator hose in the same picture. I figured it would be in the original castings section. If not, has anyone ever tried driving a copper tube through and flaring the ends against the flanges? Does anyone know where to find an alternator that will mount on the head and maybe a little smaller and longer? The alternator on it now is short and fat and is higher than the head. Lastly, does the original distributor that's for sale, have the ignition retard switch on it.
Attached Images
  
Reply With Quote
  #2   IP: 184.3.230.68
Old 05-11-2017, 09:36 AM
edwardc's Avatar
edwardc edwardc is offline
Afourian MVP
 
Join Date: Aug 2009
Location: Laurel, MD
Posts: 2,509
Thanks: 153
Thanked 595 Times in 388 Posts
The casting date of the block can be found on the side, behind the carb.
__________________
@(^.^)@ Ed
1977 Pearson P-323 "Dolce Vita"
with rebuilt Atomic-4

Reply With Quote
  #3   IP: 172.222.238.142
Old 05-11-2017, 09:43 AM
Dave Neptune Dave Neptune is offline
Afourian MVP, Professor Emeritus
 
Join Date: Jan 2007
Location: Grove, Oklahoma
Posts: 5,035
Thanks: 711
Thanked 1,289 Times in 839 Posts
Ken,first welcome to the MMI Afourian Forum.

Many parts are available from MMI and a lot of members have a few for sale too.

No retard switch in the Prestolite that I know of.

That alternator and bracket are after market or PO cobbled.

Dave Neptune
Reply With Quote
  #4   IP: 184.166.78.231
Old 05-11-2017, 10:37 AM
BunnyPlanet169's Avatar
BunnyPlanet169 BunnyPlanet169 is offline
Afourian MVP, Professor Emeritus
 
Join Date: May 2010
Location: York, ME
Posts: 952
Thanks: 25
Thanked 94 Times in 67 Posts
Welcome to the forum, Ken.

That's an old engine - notable for the cast valve cover, lack of oil fill, and carburetor - I can't date it from those features, but I'll bet someone here can.

The piece you're asking about is called the 'Crossover Fitting'. MMI has a replacement kit here, but not the original casting. You can find them on ebay from time to time.

http://www.moyermarine.com/cgi-bin/s...key=CSOT_04_73

As to alternator fit, you might try measuring the horizontal distance from the center of the head mounting ears to the bulkhead wall, and then giving Ken at the parts department a call. He will surely walk you through the options!
__________________
Jeff


S/V Bunny Planet
1971 Bristol 29 #169
Reply With Quote
  #5   IP: 166.216.157.125
Old 05-11-2017, 11:40 AM
lat 64's Avatar
lat 64 lat 64 is offline
Afourian MVP
 
Join Date: Oct 2008
Location: Fairbanks, Alaska
Posts: 1,964
Thanks: 39
Thanked 240 Times in 157 Posts
I Love (not) the stove bolt for the alt. pivot.

Remember to get an ignition-protected alternator when you replace that unit, that is, a marine alternator. Yes I know it cost more. This is a safety issue. Review all the electrics with that in mind.

No kaboom, no bad days.

Welcome to the forum. Great start.

Russ
__________________
Whiskeyjack a '68 Columbia 36 rebuilt A-4 with 2:1

"Since when is napping doing nothing?"
Reply With Quote
  #6   IP: 97.32.68.217
Old 05-11-2017, 12:13 PM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
The number behind the carb is 11-3. the number on the opposite side is 72770.
Attached Images
  
Reply With Quote
  #7   IP: 97.32.68.217
Old 05-11-2017, 12:47 PM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
Thanks for the wecomes everyone. I'm going to be honest, I prefer small day sailors with no engines so this engine is pry getting sold or made into a show piece. It's going in a 58 evinrude. I think I can increase torque by shortening the drive shaft and of course dropping the weight by several thousand pounds. So my point of this is the engine will be wide open(ill be able to smell gas) or sold to someone who has an alternator already. I was more looking for original equipment, unless it's six volt. I may just pull it off to one side and mount it to the boat, might even need two.
Reply With Quote
  #8   IP: 137.200.0.109
Old 05-11-2017, 03:58 PM
joe_db's Avatar
joe_db joe_db is online now
Afourian MVP
 
Join Date: May 2009
Posts: 4,474
Thanks: 49
Thanked 1,026 Times in 721 Posts
I don't think I followed what you are doing with the engine, but to start with try getting a stock alternator bracket:

AFAIK they fit on all engines.
Reply With Quote
  #9   IP: 97.32.64.226
Old 05-11-2017, 07:59 PM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
sorry, sometimes i don't proofread. I'm selling it but, if I can't, I'm putting it in a motor boat.
My main objective is ensuring that I'm not selling someone a ''bad'' engine. However, I also want to get the best price. So if I can't sell it, for the price I want, then I'm keeping it.
But either way the whole project is for showing off. It's all about how it sounds and looks. That's why I'm trying to use the original mounts casted on the side of the head. And I was wondering where to get an alternator that would fit without changing anything. Or at least utilizing the original mounts and tensioner in some way.
If I sell it, then I probably won't buy an alternator at all.
I know I'm a pain in the arse.
Anyone figure out the year?
Reply With Quote
  #10   IP: 137.103.82.194
Old 05-11-2017, 09:19 PM
joe_db's Avatar
joe_db joe_db is online now
Afourian MVP
 
Join Date: May 2009
Posts: 4,474
Thanks: 49
Thanked 1,026 Times in 721 Posts
Quote:
Originally Posted by Ken Rockwell View Post
sorry, sometimes i don't proofread. I'm selling it but, if I can't, I'm putting it in a motor boat.
My main objective is ensuring that I'm not selling someone a ''bad'' engine. However, I also want to get the best price. So if I can't sell it, for the price I want, then I'm keeping it.
But either way the whole project is for showing off. It's all about how it sounds and looks. That's why I'm trying to use the original mounts casted on the side of the head. And I was wondering where to get an alternator that would fit without changing anything. Or at least utilizing the original mounts and tensioner in some way.
If I sell it, then I probably won't buy an alternator at all.
I know I'm a pain in the arse.
Anyone figure out the year?
No alternator mounts are cast on any engine - they all use the head bolts. Also note there is exactly zero market for "display" Atomic 4s. Their value is as working engines to move a boat, it isn't like a rare old car
Reply With Quote
  #11   IP: 97.32.67.157
Old 05-11-2017, 09:41 PM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
If you look at the picture of the head you'll see two lobes sticking out with holes drilled. The original manual shows a photograph of the alternator mounted on those with a bolt.
Reply With Quote
  #12   IP: 24.152.132.65
Old 05-11-2017, 09:47 PM
ndutton's Avatar
ndutton ndutton is offline
Afourian MVP
 
Join Date: May 2009
Location: Torrance, CA
Posts: 9,619
Thanks: 198
Thanked 2,208 Times in 1,425 Posts
I'm going to take a guess that those ears were for a generator rather than an alternator, the reason you're having a hard time finding one to fit. Looks like the engine is a 1964 model year. Here's a picture of an old automotive generator showing the spacing of the mounts.
Attached Images
 
__________________
Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others

Last edited by ndutton; 05-11-2017 at 10:41 PM.
Reply With Quote
  #13   IP: 97.32.67.157
Old 05-11-2017, 11:12 PM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
The book says it's an alternator
Attached Images
 
Reply With Quote
  #14   IP: 97.32.67.157
Old 05-11-2017, 11:19 PM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
But if they are for a generator would I be able to find a new one like that. A generator would be cool.
Reply With Quote
  #15   IP: 97.32.67.157
Old 05-12-2017, 12:04 AM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
Yup a generator is the route I'm taking. And I found the year. You guys are a great help.
Next thing is the my rusted ignition retard switch. Anyone got any experience with that? I think buying a new one would be best as long as it has the switch.
Just wondering if it's safe to heat. I don't want to melt a seal or something. I've taken it apart to the spinning flat metal disk on the inside. I plan on heating the switch on the outside But if anyone's tried and failed at this, please stop me.
Reply With Quote
  #16   IP: 24.152.132.65
Old 05-12-2017, 12:11 AM
ndutton's Avatar
ndutton ndutton is offline
Afourian MVP
 
Join Date: May 2009
Location: Torrance, CA
Posts: 9,619
Thanks: 198
Thanked 2,208 Times in 1,425 Posts
I appreciate what the book might say but it's hard to explain the existence and spacing of the ears otherwise not to mention the interesting redneck cobble-mount for the existing alternator.

I think a generator could be found but if using the engine for an inboard auxiliary it will have to be ignition proof for safety and USCG compliance. As a start, try Luna Industries. They specialize in vintage automotive parts. Perhaps ask them about the spacing of the mounts to see how yours compares. If it's a match you can move onto ignition protection questions.
__________________
Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
Reply With Quote
  #17   IP: 97.32.67.164
Old 05-12-2017, 09:11 AM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
Thanks. If I can't sell it, I'm definitely going with a generator.
So I got the oil pan off. And everything looked good. Does anyone have any objections about changing those wires, on the castle nuts, to cotter pins? I've seen wires before but, they're usually on a moving parts that would be thrown out of balance with a cotter pin.
Attached Images
 
Reply With Quote
  #18   IP: 137.103.82.194
Old 05-12-2017, 09:52 AM
joe_db's Avatar
joe_db joe_db is online now
Afourian MVP
 
Join Date: May 2009
Posts: 4,474
Thanks: 49
Thanked 1,026 Times in 721 Posts
Quote:
Originally Posted by Ken Rockwell View Post
If you look at the picture of the head you'll see two lobes sticking out with holes drilled. The original manual shows a photograph of the alternator mounted on those with a bolt.
That bracket is bolted on just like all the others:
Attached Images
 
Reply With Quote
  #19   IP: 24.152.132.65
Old 05-12-2017, 09:58 AM
ndutton's Avatar
ndutton ndutton is offline
Afourian MVP
 
Join Date: May 2009
Location: Torrance, CA
Posts: 9,619
Thanks: 198
Thanked 2,208 Times in 1,425 Posts
He's referring to this picture Joe . . .

Ken, if you're thinking of putting this in an open runabout you might be exempt from the ignition proof requirement. Check our USCG Standards forum category.
__________________
Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others

Last edited by ndutton; 05-12-2017 at 10:03 AM.
Reply With Quote
  #20   IP: 97.32.72.78
Old 05-12-2017, 10:11 AM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
I think the bracket is a factory thing because the stud bolts are longer. The alternator is the cob job. Also the mounts on the head were pry for a generator option or they just had a lot of casted heads laying around when made the switch to alternators. You see this in old cars.. they use parts left over from the previous year. My uncle has a 67 1/2 corvette, some are 67 parts, some are 68 parts.
Reply With Quote
  #21   IP: 137.103.82.194
Old 05-12-2017, 10:16 AM
joe_db's Avatar
joe_db joe_db is online now
Afourian MVP
 
Join Date: May 2009
Posts: 4,474
Thanks: 49
Thanked 1,026 Times in 721 Posts
Wow - I have never seen one of those old heads with those ears. The bracket on his engine now is just bolted on and could be replaced with the new one. I can't see trying to use an old generator, the #1 complaint with A4 alternators is low output at lower RPMs and generators are worse.

Quote:
Originally Posted by ndutton View Post
He's referring to this picture Joe . . .

Ken, if you're thinking of putting this in an open runabout you might be exempt from the ignition proof requirement. Check our USCG Standards forum category.
Reply With Quote
  #22   IP: 24.152.132.65
Old 05-12-2017, 10:21 AM
ndutton's Avatar
ndutton ndutton is offline
Afourian MVP
 
Join Date: May 2009
Location: Torrance, CA
Posts: 9,619
Thanks: 198
Thanked 2,208 Times in 1,425 Posts
I've never seen one either, the reason I made the generator guess. Since Ken has it he's considering the cool factor and its original configuration and rarity certainly makes it cool. One thing's for sure, the redneck cobble-bracket is un-cool.

Frankly we don't know yet if the tabs are spaced for a generator, still in guessing mode.

Ken, are you repowering the Pearson?
__________________
Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
Reply With Quote
  #23   IP: 137.103.82.194
Old 05-12-2017, 10:34 AM
joe_db's Avatar
joe_db joe_db is online now
Afourian MVP
 
Join Date: May 2009
Posts: 4,474
Thanks: 49
Thanked 1,026 Times in 721 Posts
http://www.ebay.com/itm/DELCO-REMY-1...1Y59lL&vxp=mtr

INSIDE MOUNTING MEASUREMENTS 7'' OUTSIDE 7 7/8.
Reply With Quote
  #24   IP: 97.32.72.78
Old 05-12-2017, 10:37 AM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
Yeah I tested the alternator at idle and it wasn't putting out anything. But the drive pully on the engine is a standard pully with a keyed shaft. I could change that no problem. The casting number on the pully can't be seen while it's in place so aftermarket would look fine. I figured I would paint the casting numbers a different color.....because it's cool
Attached Images
 
Reply With Quote
  #25   IP: 97.32.72.78
Old 05-12-2017, 10:57 AM
Ken Rockwell Ken Rockwell is offline
Senior Member
 
Join Date: May 2017
Posts: 73
Thanks: 0
Thanked 10 Times in 10 Posts
The Pearson was junk. In fact all the rust came from a leak in the hatch. The inside was down to plywood and someone sanded the deck, for some reason, and it was like a trampoline. I ripped everything thing off the deck by hand. Sold a lot, scrapped a lot.
2400 pounds of lead.
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Atomic 4 Parts marthur For Sale - Engines and Engine Parts 2 01-18-2017 08:06 AM
For sale. Atomic 4 engine plus many parts nhoj4782 For Sale - Engines and Engine Parts 9 12-12-2014 04:36 PM
Early VS New Atomic ukrsindicat General Interest 3 09-17-2013 06:10 PM
Early and late model distributor mounting options Marian Claire Ignition System 2 03-28-2012 10:21 AM


All times are GMT -4. The time now is 11:06 AM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2024, vBulletin Solutions, Inc.


Universal® is a registered trademark of Westerbeke Corporation

Copyright © 2004-2024 Moyer Marine Inc.

All Rights Reserved