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Author
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Topic: Question about my motor
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Fastymz
Moderator Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-28-2003 07:26 PM
   
What does it mean when you see alittle brass on the crank bearings.When I removed the rear main cap I noticed that the bearing had to small brass lines.Also all the pistons had B747 stamped inside of them.
And the crank had hand writen on it in yellow 351w,why is that there? All the connecting rods had C90E on them and so did the rear main cap. The oil pump had HM83 92162 Do these numbers mean anything.I know the C90E tells me it's a 69 right?
The crank was shiny and the cylinder walls were also shinney looking.
Is there any thing I can check for or do while I have the oil pan off?
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SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 02-28-2003 07:33 PM
The engine has been rebuilt once before.
It has a Melling oil pump.
The brass lines are scratches.
The yellow 351 on the crank was for identification purposes.------------------
Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
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Fastymz
Moderator Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-28-2003 07:37 PM
quote:
Originally posted by Moneymaker:
The engine has been rebuilt once before.
It has a Melling oil pump.
The brass lines are scratches.
The yellow 351 on the crank was for identification purposes.
How do you know it's been rebuilt?
Also the crank bearing had 010 on it.
Are scratches bad or real bad. 
Thanks for the info,how about the pistons B747 does that tell you anything?
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SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
IP: Logged |
james306
Journeyman Posts: 80
From: falmouth,me,usa
Registered: Feb 2003
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posted 02-28-2003 08:15 PM
its been rebuilt because the .010 stamped on your bearings means the crank has been turned down .010". those light scratches in your bearings are normal wear on main and rods depending on the mileage. the brass color you see is not brass either its the copper underlayer in the bearings. the B747 under your pistons is a part number. look on the very top of your pistons and see if its stamped anywhere, like this +.030. if you get a number similar to this it means that this is the oversize of your pistons from the original 4.00" bore. your rods were not necessarily made in 1969, their original design started in 1969 so until ford changed its casting that is the casting number. let us know of your intentions for this motor and maybe we can help you out.
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Fastymz
Moderator Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 02-28-2003 08:44 PM
Thanks James,I look around alitttle more. ------------------
SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
IP: Logged |
Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 02-28-2003 09:34 PM
quote:
Originally posted by Fastymz:
How do you know it's been rebuilt?
Because I'm real smart Scoop! 
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Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
IP: Logged |
Fastymz
Moderator Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-01-2003 12:30 AM
quote:
Originally posted by Moneymaker:
Because I'm real smart Scoop!
No, I wasn't questoning that fact.What part of the info I gave you tells you it's been rebuilt.
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SCOOP
oddly obsessed with big scoops on little Mustangs 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
IP: Logged |
68F100
Gearhead Posts: 2062
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99
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posted 03-01-2003 01:28 AM
I'm just guessing SCOOP.The Melling pump is a clue right? Maybe the marking on the crank, too? They probably just went by casting numbers from the factory, no? It wasn't in your first post, but the marking on the bearings is a dead giveaway.
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68F100
Gearhead Posts: 2062
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99
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posted 03-01-2003 01:33 AM
Oh yeah, I can't wait to tear into mine. Between me and you SCOOP, we'll probably ask every possible question there is. I had a teacher that told me once that the only dumb questions are the ones you don't ask. 
IP: Logged |
Fastymz
Moderator Posts: 11429
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-01-2003 12:48 PM
quote:
Originally posted by 68F100:
I had a teacher that told me once that the only dumb questions are the ones you don't ask.
I had a teacher once that told me the only dumb questions are the ones that I ask.Or maybe that was my dad that told me that.
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SCOOP
oddly obsessed with big scoops on little Mustangs
2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede. https://mustangsandmore.com/ubb/Fastymz.html
[This message has been edited by Fastymz (edited 03-01-2003).]
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Moneymaker
Administrator Posts: 19704
From: Lyons, IL, USA
Registered: May 99
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posted 03-01-2003 01:16 PM
quote:
Originally posted by 68F100:
I'm just guessing SCOOP.The Melling pump is a clue right? Maybe the marking on the crank, too? They probably just went by casting numbers from the factory, no? It wasn't in your first post, but the marking on the bearings is a dead giveaway.
Answer "C", all of the above!
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Alex Denysenko
Co-Administrator and Moderator NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com
IP: Logged |
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