Re: Rocker shaft hold down
[Re: cudaman1969]
#3192159
11/20/23 10:38 AM
11/20/23 10:38 AM
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Joined: Aug 2003
Posts: 43,173
Bend,OR USA
Cab_Burge
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I Win
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Posts: 43,173
Bend,OR USA
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I lost an end one for a 516 head so before I look for one are the ones on the 62-63 max wedge head the same? Mopar quit using that type of rocker shaft hold owns on B and RB motors in 1963, none of the later head 6 bolt rocker arms heads like all the 516 head came with them on the motors is what I'm remembering  I've only had 1 or 2 sets of the 1964 stage Three M.W. head casting that came with the 6 bolt valve covers and the later rocker shaft hold downs so I may be wrong on ALL the real early stage three castings having the built in rocker shaft stands  
Last edited by Cab_Burge; 11/20/23 10:40 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Rocker shaft hold down
[Re: Cab_Burge]
#3192170
11/20/23 11:11 AM
11/20/23 11:11 AM
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Joined: Jan 2004
Posts: 8,257
fredericksburg,va
cudaman1969
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OP
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Joined: Jan 2004
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fredericksburg,va
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I lost an end one for a 516 head so before I look for one are the ones on the 62-63 max wedge head the same? Mopar quit using that type of rocker shaft hold owns on B and RB motors in 1963, none of the later head 6 bolt rocker arms heads like all the 516 head came with them on the motors is what I'm remembering I've only had 1 or 2 sets of the 1964 stage Three M.W. head casting that came with the 6 bolt valve covers and the later rocker shaft hold downs so I may be wrong on ALL the real early stage three castings having the built in rocker shaft stands Well my 63 max had stands like the one pictured, reason I asked if they were the same as 516 head
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Re: Rocker shaft hold down
[Re: John_Kunkel]
#3192212
11/20/23 03:04 PM
11/20/23 03:04 PM
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Joined: Aug 2003
Posts: 43,173
Bend,OR USA
Cab_Burge
I Win
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I Win
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Bend,OR USA
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The ductile iron adjustable rocker arms are wider so the hold downs need to be narrower, Mopar added small bosses, ears, on both sides at the top for the stamp steel rocker stands, they can be used by removing, them  no big deal  
Last edited by Cab_Burge; 11/20/23 03:05 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Rocker shaft hold down
[Re: Cab_Burge]
#3192227
11/20/23 04:07 PM
11/20/23 04:07 PM
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Joined: Jan 2004
Posts: 8,257
fredericksburg,va
cudaman1969
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fredericksburg,va
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The ductile iron adjustable rocker arms are wider so the hold downs need to be narrower, Mopar added small bosses, ears, on both sides at the top for the stamp steel rocker stands, they can be used by removing, them no big deal I’ll be using the iron rockers, I can see what you’re saying about that edge part. If I could run across a set of 67 heads (915) with small exhaust I won’t need to do the 516 heads. I want to keep the closed chamber.
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Re: Rocker shaft hold down
[Re: cudaman1969]
#3192233
11/20/23 04:30 PM
11/20/23 04:30 PM
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Joined: Jan 2003
Posts: 4,270
Morrow, OH
markz528
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Posts: 4,270
Morrow, OH
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The ductile iron adjustable rocker arms are wider so the hold downs need to be narrower, Mopar added small bosses, ears, on both sides at the top for the stamp steel rocker stands, they can be used by removing, them no big deal I’ll be using the iron rockers, I can see what you’re saying about that edge part. If I could run across a set of 67 heads (915) with small exhaust I won’t need to do the 516 heads. I want to keep the closed chamber. You know that newer 516 heads also have the cast in rocker holders and have the closed chamber? If you are ok with 516 why not just go with a newer 516?
67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......
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Re: Rocker shaft hold down
[Re: markz528]
#3192251
11/20/23 06:06 PM
11/20/23 06:06 PM
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Joined: Jan 2004
Posts: 8,257
fredericksburg,va
cudaman1969
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OP
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Joined: Jan 2004
Posts: 8,257
fredericksburg,va
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The ductile iron adjustable rocker arms are wider so the hold downs need to be narrower, Mopar added small bosses, ears, on both sides at the top for the stamp steel rocker stands, they can be used by removing, them no big deal I’ll be using the iron rockers, I can see what you’re saying about that edge part. If I could run across a set of 67 heads (915) with small exhaust I won’t need to do the 516 heads. I want to keep the closed chamber. You know that newer 516 heads also have the cast in rocker holders and have the closed chamber? If you are ok with 516 why not just go with a newer 516? Yes could do that, I looked at a 64 413 that had those ($500 no intake) but I went with the 413 industrial block with no heads because of the block. It’s just that I have the 63 set on hand.
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Re: Rocker shaft hold down
[Re: cudaman1969]
#3192312
11/20/23 10:29 PM
11/20/23 10:29 PM
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Joined: Jan 2003
Posts: 4,270
Morrow, OH
markz528
master
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master
Joined: Jan 2003
Posts: 4,270
Morrow, OH
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The ductile iron adjustable rocker arms are wider so the hold downs need to be narrower, Mopar added small bosses, ears, on both sides at the top for the stamp steel rocker stands, they can be used by removing, them no big deal I’ll be using the iron rockers, I can see what you’re saying about that edge part. If I could run across a set of 67 heads (915) with small exhaust I won’t need to do the 516 heads. I want to keep the closed chamber. You know that newer 516 heads also have the cast in rocker holders and have the closed chamber? If you are ok with 516 why not just go with a newer 516? Yes could do that, I looked at a 64 413 that had those ($500 no intake) but I went with the 413 industrial block with no heads because of the block. It’s just that I have the 63 set on hand. I was in your backyard on Friday. I could of brought you a set of newer 516's.
67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......
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Re: Rocker shaft hold down
[Re: Sniper]
#3192339
11/21/23 12:17 AM
11/21/23 12:17 AM
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Joined: Aug 2003
Posts: 43,173
Bend,OR USA
Cab_Burge
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I Win
Joined: Aug 2003
Posts: 43,173
Bend,OR USA
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Last edited by Cab_Burge; 11/21/23 12:20 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Rocker shaft hold down
[Re: markz528]
#3192402
11/21/23 12:47 PM
11/21/23 12:47 PM
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Joined: Jan 2004
Posts: 8,257
fredericksburg,va
cudaman1969
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[quote=cudaman1969][quote=Cab_Burge
You know that newer 516 heads also have the cast in rocker holders and have the closed chamber? If you are ok with 516 why not just go with a newer 516? Yes could do that, I looked at a 64 413 that had those ($500 no intake) but I went with the 413 industrial block with no heads because of the block. It’s just that I have the 63 set on hand. I was in your backyard on Friday. I could of brought you a set of newer 516's. Dang!
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