460 valve adjustment
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Mountain Pass
Joined: Dec 2001
Posts: 208
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From: Sinking Spring Pa
460 valve adjustment
Can anybody tell me if the 460's have adjustable valves or do you just torque them? And if there adjustable How do you do it? And if there just torqued how much? Randy
New User
Joined: Jan 2008
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460 valve adjustment
AFAIK,
Hydralic valve settings with a NON-Positve stop are
adjusted by turning the nut down 1-1 1/2 turns after
clacking quits.
Dennis
Oh....Please Don't Ask Me Any Tough Questions As:
"I'm Saving Up MY Memory For When I Develop Alzheimer's"
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
Hydralic valve settings with a NON-Positve stop are
adjusted by turning the nut down 1-1 1/2 turns after
clacking quits.
Dennis
Oh....Please Don't Ask Me Any Tough Questions As:
"I'm Saving Up MY Memory For When I Develop Alzheimer's"
78 F-150 429CJ C6 ,Silver w/Explorer Pkge
641/2 Mustang,Pre-World's Fair Car #8092
64 Fairlane S/C waiting for a 390-4spd.
68-Mustang.Sunlit Gold 80,000 miles
Elder User
Joined: Jul 1999
Posts: 877
Likes: 2
From: Missouri
460 valve adjustment
It won't have adjustable valves unless someone changed them to adjustable.They should torque to 22lbs.
Dennis
1979 F-250 4x4 460 4-speed 33"s
1977 Highboy 429 4-speed 35"s
1969 Ranger on a 1978 F-250 4x4
frame 466 560HP 4.10's 33"s
Dennis
1979 F-250 4x4 460 4-speed 33"s
1977 Highboy 429 4-speed 35"s
1969 Ranger on a 1978 F-250 4x4
frame 466 560HP 4.10's 33"s
Postmaster
Joined: Aug 2001
Posts: 2,882
Likes: 0
From: Nevada
460 valve adjustment
If they're '68-71 heads, the best thing you can do is install a set of Crane Kool Nuts. They have an Allen set screw that'll allow you to adjust your hydraulic lifter preload. This is especially important if you're running an aftermarket cam. If you've been just tightning them down to 22lbs and then go to the Kool nuts with a lifter preload of 1/4-1/2 turn, you'll notice a big difference in idle and performance.
Elder User
Joined: Jul 1999
Posts: 877
Likes: 2
From: Missouri
460 valve adjustment
I was on Cranes websight awhile back and saw that putting those on made the valves adjustable, then couldn't believe how cheap they were.They were less than $30.I just rebuilt my 429 with 72 heads and had to use the shims to adjust pre load it was a PITA.
Dennis
1979 F-250 4x4 460 4-speed 33"s
1977 Highboy 429 4-speed 35"s
1969 Ranger on a 1978 F-250 4x4
frame 466 560HP 4.10's 33"s
Dennis
1979 F-250 4x4 460 4-speed 33"s
1977 Highboy 429 4-speed 35"s
1969 Ranger on a 1978 F-250 4x4
frame 466 560HP 4.10's 33"s
New User
Joined: Nov 2008
Posts: 1
Likes: 0
I have a 460 in a 1974 F350 one ton Can I use the Kool Nuts to make my valves adjustable on this motor
Thanks for any info you can give me. Larry
Thanks for any info you can give me. Larry
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More Turbo
Joined: Nov 2003
Posts: 748
Likes: 28
I was on Cranes websight awhile back and saw that putting those on made the valves adjustable, then couldn't believe how cheap they were.They were less than $30.I just rebuilt my 429 with 72 heads and had to use the shims to adjust pre load it was a PITA.
Dennis
1979 F-250 4x4 460 4-speed 33"s
1977 Highboy 429 4-speed 35"s
1969 Ranger on a 1978 F-250 4x4
frame 466 560HP 4.10's 33"s
Dennis
1979 F-250 4x4 460 4-speed 33"s
1977 Highboy 429 4-speed 35"s
1969 Ranger on a 1978 F-250 4x4
frame 466 560HP 4.10's 33"s
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Elder User
Joined: Jun 2004
Posts: 800
Likes: 6
From: Edmonton, Alberta Canada
it depends on what heads you have as to how easy it is to convert to adjustable rockers.
the early heads (C8, C9 and DOVE) heads all used screw in rocker studs, so you can either change these out to aftermarket studs, guide plates and the cool nuts to have adjustable rocker arms (or you could just use the cool nuts as long as you don't need to adjust past the neck on the studs)
on the later heads (D3VE) they used a bolt down style rocker arm with a milled pedastle and bolt that are non-adjustable. you either have to shim or get different lenght pushrods to adjust.
I think either Crane or Comp cams makes a kit to convert these to adjustable rocker arms. not sure what is all involved or needed to do this conversion. or you could go the machining route and mill off the slot and redrill and tap to accept rocker studs.
rgds
Mike
the early heads (C8, C9 and DOVE) heads all used screw in rocker studs, so you can either change these out to aftermarket studs, guide plates and the cool nuts to have adjustable rocker arms (or you could just use the cool nuts as long as you don't need to adjust past the neck on the studs)
on the later heads (D3VE) they used a bolt down style rocker arm with a milled pedastle and bolt that are non-adjustable. you either have to shim or get different lenght pushrods to adjust.
I think either Crane or Comp cams makes a kit to convert these to adjustable rocker arms. not sure what is all involved or needed to do this conversion. or you could go the machining route and mill off the slot and redrill and tap to accept rocker studs.
rgds
Mike
Senior User
Joined: Nov 2008
Posts: 276
Likes: 0
From: Nashville NC
Hello, new member here, first reply.
I'm seeing that Crane offers a pushrod guide set for the 460 heads that use the lock down fulcrum rockers. The guide is made to fit right into the slot where the squaire fulcrum suppose to sit & has 5/16" flanged screw in stud holding the guide in place. Has a peice the slips into the end of the guide that the pushrod goes through I guess for reducing wear.
Crane also has adjustable pushrods for the B/B, pushrods you can run, with oil passage, not just the checking adjuster type, but be ready to spend around 250.00 or more.
This replys NOT intended to be an addvertisment for Crane, just what I have learned in the almost 2 years dealing with the 460 I am trying to keep running.
Neil
I'm seeing that Crane offers a pushrod guide set for the 460 heads that use the lock down fulcrum rockers. The guide is made to fit right into the slot where the squaire fulcrum suppose to sit & has 5/16" flanged screw in stud holding the guide in place. Has a peice the slips into the end of the guide that the pushrod goes through I guess for reducing wear.
Crane also has adjustable pushrods for the B/B, pushrods you can run, with oil passage, not just the checking adjuster type, but be ready to spend around 250.00 or more.
This replys NOT intended to be an addvertisment for Crane, just what I have learned in the almost 2 years dealing with the 460 I am trying to keep running.
Neil
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