super cobra jet valvetrain? - Page 2 - 460 Ford Forum
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post #16 of 24 (permalink) Old 11-16-2013, 08:52 PM
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Quote:
Originally Posted by 2slow View Post
correct , rocker retainers , s/seats are the same as the Boss-351 and the Boss-302 except for the spring seat
Isnt it funny that they used a diff cup on boss 302,lol kinda hard to find these days

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post #17 of 24 (permalink) Old 11-16-2013, 08:56 PM
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I have a set of D0oE-r guide plates, retainers, springs and valves all in good shape if you need them
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post #18 of 24 (permalink) Old 11-16-2013, 09:08 PM Thread Starter
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are these supposed to be on the rocker arms? i found a bag of them and they came with the engine, but i dont know what they are from.
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post #19 of 24 (permalink) Old 11-16-2013, 09:27 PM
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No those are drip rails,and are for std heads with the bolt down rockers

scj,and cj have them in the valve covers, as do police

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post #20 of 24 (permalink) Old 11-16-2013, 09:38 PM Thread Starter
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Quote:
Originally Posted by BOSS 429 View Post
No those are drip rails,and are for std heads with the bolt down rockers

scj,and cj have them in the valve covers, as do police
thanks, i have N code stuff mixed in too. makes sense
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post #21 of 24 (permalink) Old 11-17-2013, 01:04 AM
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Looks factory except the retainer and maybe the spring. The spring seat is factory, even has the oil drain cut out.
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post #22 of 24 (permalink) Old 11-18-2013, 06:22 PM
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Cool

Quote:
Originally Posted by Lem Evans View Post
The SCJ stuff I had was stamped rocker w/sled fulcrum 7/16" hole and w/o the 'foot' that the bolt down D3 fulcrums had.
To add to Lem's post:

Below is a pic of both the late-style OEM valve train fulcrums versus the OEM SCJ valve train fulcrums:



The late-style (pedestal) valve train fulcrum is on the left, and the SCJ valve train fulcrum on the right. The pedestal valve train fulctum has the square stand-off which fits squarely into the late-style head's slotted pedestal tower, thereby preventing the rocker arm from rotating off the valve stem. The SCJ fulcrum floats on its rocker stud, and thereby needs pushrod guideplates to maintain rocker arm alignment. The SCJ fulcrums are made of steel, while the late-style pedestal fulcrums seem to be a die-cast zinc alloy (best as I can tell).

The image in the OP's post clearly shows original SCJ fulcrums.

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post #23 of 24 (permalink) Old 11-18-2013, 06:34 PM
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Quote:
Originally Posted by rmcomprandy View Post
Looks like a big block Chevrolet rocker arm to me. I could be wrong however, I was under the impression that the Ford "ball fulcrum" rocker arms were cast not stamped, (up until the "sled" type).
After closer looking at the photo enlarged, I see that those rockers are the "sled type".

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post #24 of 24 (permalink) Old 11-18-2013, 06:55 PM
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Quote:
Originally Posted by Paul Kane View Post
To add to Lem's post:

Below is a pic of both the late-style OEM valve train fulcrums versus the OEM SCJ valve train fulcrums:



The late-style (pedestal) valve train fulcrum is on the left, and the SCJ valve train fulcrum on the right. The pedestal valve train fulctum has the square stand-off which fits squarely into the late-style head's slotted pedestal tower, thereby preventing the rocker arm from rotating off the valve stem. The SCJ fulcrum floats on its rocker stud, and thereby needs pushrod guideplates to maintain rocker arm alignment. The SCJ fulcrums are made of steel, while the late-style pedestal fulcrums seem to be a die-cast zinc alloy (best as I can tell).

The image in the OP's post clearly shows original SCJ fulcrums.

Paul
The 429 PI, 460 PI, and 429 CJ all use the sled fulcrum like the SCJ and it's little brothers the Boss 302,Boss 351 & 351 HO.

The 429 & 460 bolt down fulcrum is slightly different than the 351 Cleveland & Aussie 302 Cleveland bolt down fulcrum.
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