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starter 
New Member
Joined: 25-May-2008
Location: italy
Status: Offline
Points: 2
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 Topic: 1975 351 casting block
Posted: 25-May-2008 at 5:44AM |
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Hi guys
I'm from italy and I'm the prowd owner of a 75 Torino bought in El Paso 1 month ago
the vin is 5A30HXXXXX the 351 casting block read 77AY-6015-AA
I know casting number shoud start wit a letter C, D
Can you help me to undestand wich engine is?
Thanks and sorry my poor english!
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starsky76
Senior Member
Joined: 28-March-2008
Location: vegas
Status: Offline
Points: 1385
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Posted: 26-May-2008 at 10:41AM |
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The H code in the vin says it is a 351 windsor engine originally for your car.Can you post some more numbers,there should be a date code on the block also and part numbers off of the intake and the heads,this would help.Or post a pic of engine and I could tell you what motor you have,whats in it.
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starter
New Member
Joined: 25-May-2008
Location: italy
Status: Offline
Points: 2
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Posted: 26-May-2008 at 11:27AM |
Thanks for your help I will try to post some more parts code Here are the pic's of the casting block number and the engine bay
I heard that it could be a 75 Mexican block but i didn't find any souce on the web with this decoding starting with 77 ....Any idea?  
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starsky76
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Joined: 28-March-2008
Location: vegas
Status: Offline
Points: 1385
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Posted: 27-May-2008 at 4:26PM |
It is a 351 windsor.From what I can tell from the numbers it is a service replacement block by the letter Y in the top row of numbers.If it was the original it would have had an E letter.The 77 is a bit strange,I would guess it is the year of the block.You did say the car was from texas,so it may be a mexican block number.The date code is under the engine code,but the first digit looks strange,looks like a number 7 but not sure.Look on the intake,it should have a date code that looks like that one and post a pic of it along with a part number,that will give me some more to go on.It seems to me that the original motor had a problem and a ford or merc dealer put a replacement motor in at one time.
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starsky76
Senior Member
Joined: 28-March-2008
Location: vegas
Status: Offline
Points: 1385
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Posted: 27-May-2008 at 4:34PM |
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The Y letter indicates its a lincoln mercury service part,but replacement motors would have been put in torinos and cougars all the same back then.All the 351w were pretty much the same back then and the dealers really didn't care what numbers were on a block as long as it was the right replacement motor.This kinda stuff has been going on forever with ford and other makes as far as service parts are concerned.
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JimW
Senior Member
Joined: 09-December-2003
Location: USA
Status: Offline
Points: 602
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Posted: 30-May-2008 at 6:57AM |
IIRC, H code only means 351 2bbl, that could also have been a 351M.. (and in 1974, the 351C 2V). The pics clearly show a Windsor motor, and I would have to agree with Ralph on the block history.
Jim
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1976 S&H Gran Torino
460/C6/4.33 13.05@105.6
545/C6/3.56 11.52@117.8
More to come!!!!
463rwhp/495rwtq
two tons of fun
see it and hear it at:
www.torinocobra.com
www.st
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starsky76
Senior Member
Joined: 28-March-2008
Location: vegas
Status: Offline
Points: 1385
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Posted: 30-May-2008 at 5:20PM |
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Did'n know that about the H code.Learn something new everyday,thanks Jim
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1975 351 casting block