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Author Topic: Boss 351 block #'s  (Read 27174 times)
Qwik1
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« on: January 21, 2010, 12:00:49 pm »

I've had a Boss 351 engine like forever. Standard bore block. Trying to figure out the date code's on the block. Something is strange. Anyone with cleveland experence have an idea?

They are DOAE-J
               9K14

Having problems getting photos up. Back to you shortly.





Thanks,
Brian
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FFR Cobra  10.44@127   306 normally asperated

     
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Qwik1
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« Reply #1 on: January 21, 2010, 03:18:05 pm »



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Yeah, my cars a hybrid, too!... It burns gasoline and rubber!

FFR Cobra  10.44@127   306 normally asperated

     
......................................................................................
A government big enough to give you everything you want, is strong enough to take everything you have. Thomas Jefferson
ETRACER
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« Reply #2 on: January 21, 2010, 04:11:44 pm »

That is weird. 

I have heard stories that Ford mixed some 2 bolt casting numbers with 4 bolt numbers in production. I can't prove this it's only rumor.

D2AE-CA should be a 4 bolt 351C 1971-1974 with some actually only having 2 bolt mains the Ford production mix up. Your D0AE-J  or D0AE-G should be 2 bolt 351C 1971.

Obviously in your case Ford must of mixed more production numbers up then was thought.     

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coupe3w
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« Reply #3 on: January 21, 2010, 07:26:53 pm »

This is what I have found.

Boss block D1ZE-A or D1ZE-B

 4 Bolt (1971)
    D0AE-B  
    D0AE-D  
    D0AE-F  
    D0AE-H  

2 Bolt (1970 -71)
  D0AE-A    
  D0AE-C    
  D0AE-E    
  D0AE-G    
  D0AE-L
  D0AE-J  (1970)

4 Bolt (1972) D2AE-EA (High Output)
          (1972 -1974) D2AE-CA (CobraJet) This is the block I have came from a '73 Cougar.

2 Bolt (1972 - 1974) D2AE-DA

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modularmadness
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« Reply #4 on: January 21, 2010, 11:46:50 pm »

Do you know the history of the block?  Could it have been splayed into a 4 bolt main?
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Qwik1
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« Reply #5 on: January 22, 2010, 08:38:37 am »

I've had the engine since the late 70's-early 80's.    I'm 98% positive it came from a Boss 351 wreck originally.

Has Venolia pistons and the heads were done by AFR back then.  This was before any aftermarket heads were available. All the other parts crank/rods etc are definitely Boss 351 stuff.  Its been in the archives. Was going into my 67 fastback in the 80's but "life" got in the way. Whistling

Thanks for everyone's help. I'm just curious.

Brian



 
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Yeah, my cars a hybrid, too!... It burns gasoline and rubber!

FFR Cobra  10.44@127   306 normally asperated

     
......................................................................................
A government big enough to give you everything you want, is strong enough to take everything you have. Thomas Jefferson
CDW6212R
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« Reply #6 on: January 22, 2010, 09:49:15 pm »

All of the blocks had the same meat, so it easily could be a 2 bolt block with the main caps swapped.

All Boss blocks had screw in freeze plugs, so it's not a Boss 351 block given those pictures.

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Don

1991 Mark VII LSC Special Edition, soon to be OBDII and 4R70W, then GTC body kit and 347.
1998 Mountaineer, plans for A4WD and KB 2200 blower later, XP8 parts, paint and a 332.
1973 Ranchero and 72 Sport front end ...will be a 351 Clevor, EFI and 4R70W.
Qwik1
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« Reply #7 on: January 22, 2010, 10:50:18 pm »

Thanks for the replys.

Don I'll investigate more but I think you are wrong about 71 Boss 351's having screw in freeze plugs.

Boss 302's absolutely.  The new Ford racing Boss 351 block has them also.

I'll check.

Brian
Logged

Yeah, my cars a hybrid, too!... It burns gasoline and rubber!

FFR Cobra  10.44@127   306 normally asperated

     
......................................................................................
A government big enough to give you everything you want, is strong enough to take everything you have. Thomas Jefferson
my63
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« Reply #8 on: January 22, 2010, 10:52:07 pm »

 What He Said
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BirdMan
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« Reply #9 on: January 23, 2010, 09:52:52 am »

I finally looked at five of our blocks;

D2AE-CA  2G15 4 bolt mains
D2AE-CA  3D9   4 bolt mains
D2AE-CA  2B26 4 bolt mains
D2AE-CA  3C13 2 bolt mains
D2AE-CA  3C21 2 bolt mains
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coupe3w
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« Reply #10 on: January 23, 2010, 12:21:43 pm »

Thanks for the replys.

Don I'll investigate more but I think you are wrong about 71 Boss 351's having screw in freeze plugs.

Boss 302's absolutely.  The new Ford racing Boss 351 block has them also.

I'll check.

Brian


This is correct. Original Boss 351 blocks no screww in freeze plugs.
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CDW6212R
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« Reply #11 on: January 24, 2010, 10:34:45 am »

Thanks for the replys.

Don I'll investigate more but I think you are wrong about 71 Boss 351's having screw in freeze plugs.

Boss 302's absolutely.  The new Ford racing Boss 351 block has them also.

I'll check.

Brian


 I'm sorry
I'm sorry for that wrong information, I read that in the original Ford Performance(yellow cover) book in the 70's. Ford has mixed up parts so many times, any parts verification becomes not fun. The heads were mixed the most, only those non pedestal mounts were dependable to find and know you had a Boss or HO 351 head. Plus those are not hard to make with regular heads. Regards,

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Don

1991 Mark VII LSC Special Edition, soon to be OBDII and 4R70W, then GTC body kit and 347.
1998 Mountaineer, plans for A4WD and KB 2200 blower later, XP8 parts, paint and a 332.
1973 Ranchero and 72 Sport front end ...will be a 351 Clevor, EFI and 4R70W.
Brian S
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« Reply #12 on: January 28, 2010, 12:33:49 am »

9K14 means the block was cast Nov. 14th 1969.
Too early to be a Boss block.

http://www.boss351registry.com/Enginepartpictures.htm
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Qwik1
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« Reply #13 on: January 28, 2010, 08:32:45 am »


Quote
9K14 means the block was cast Nov. 14th 1969

That's what a buddy noticed too.

 Funny thing is that the block originated thru Tasca Ford back in the day.

 Perhaps experimental?  

At any rate I'll keep it as its very virgin and at this point std bore although "loose". I have venolia's that like very loose piston to wall clearances for it. The stock heads were done up by AFR but again "back in the day". I'll keep an eye on what Woody's doing on his new project.

http://sbftech.com/index.php/topic,23846.0.html    

 Thanx!,
Brian



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Yeah, my cars a hybrid, too!... It burns gasoline and rubber!

FFR Cobra  10.44@127   306 normally asperated

     
......................................................................................
A government big enough to give you everything you want, is strong enough to take everything you have. Thomas Jefferson
Brian S
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« Reply #14 on: January 29, 2010, 01:18:21 am »

Perhaps experimental?  

Experimental blocks and other parts should have XE in the casting number.

I don't recall ever seeing a DO** casting that had 4 Bolt mains.
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