Rocker questons,
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Junior User
Joined: Feb 2008
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From: Warren Co.
I had a cracked head to swap out. So I did a port & polish on the replacement & other side, So if I can get more gains on the cheap while I'm here sounds good to me. Where's a good place to find them?
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From: conroe tx
Summit or Jegs
Rocker Arms - summitracing.com
what year is your engine cuz on some they wont work with out some piston work. flycuts
Rocker Arms - summitracing.com
what year is your engine cuz on some they wont work with out some piston work. flycuts
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Junior User
Joined: Feb 2008
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From: Warren Co.
Sorry, kinda new to PCs, IIRC??? Also double check how? Because, I've found a set cheap, But, they say that they are not self aligning. Is that a problem?
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Cargo Master
Joined: May 2007
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From: British Columbia
They are probably the stud mount type if they are not self aligning. Your heads will use "pedestal mount" rocker arms, so it is much preferable to use that style of replacement rocker arms. Crane cams made the roller ones that Ford used on the 90s Mustang Cobras. I think they had a F3ZE casting number on them. They are available from Crane or Ford Racing Parts.
Cargo Master
Joined: May 2007
Posts: 2,071
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From: British Columbia
1.73 is the stock ratio for Cleveland (canted valve) style heads, also the 460 and 429.
From that Summit link I see the Crane 1.7 roller rocker arms are marketed under the "Energizer" brand and are a very economical $180. They should include the pedestals and bolts.
But I see now that the Summit listing says: Self-Aligning: No
That's pretty strange, as the pedestals do align them. So perhaps the ones you found are these very ones, but listed as non-self aligning? Sorry I didn't pick this up earlier, I didn't bother reading the details in the Summit catalog rocker listing.
From that Summit link I see the Crane 1.7 roller rocker arms are marketed under the "Energizer" brand and are a very economical $180. They should include the pedestals and bolts.
But I see now that the Summit listing says: Self-Aligning: No
That's pretty strange, as the pedestals do align them. So perhaps the ones you found are these very ones, but listed as non-self aligning? Sorry I didn't pick this up earlier, I didn't bother reading the details in the Summit catalog rocker listing.
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From: Northeast LA
These are the ones I'm planning on getting for my 77 302 heads but they are stud mount and have the little tabs on the end above the valve to be self aligning and they are very reasonable at $159
COMP Cams 1450-16 - COMP Cams Magnum Steel Roller Tip Rocker Arms - summitracing.com
COMP Cams 1450-16 - COMP Cams Magnum Steel Roller Tip Rocker Arms - summitracing.com
Cargo Master
Joined: May 2007
Posts: 2,071
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From: British Columbia
Those are what are commonly referred to as "rail rockers" because of the tabs that align on the valve stem. This system was used until about 1978 I think, despite the Summit site saying they fit up to 1989.
Those rocker arms you are interested in are only roller tip, full roller rockers are preferable if you can get them for your engine.
Those rocker arms you are interested in are only roller tip, full roller rockers are preferable if you can get them for your engine.
