Valve Retainers and locks - Chevelle Tech
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post #1 of 14 (permalink) Old Nov 7th, 18, 10:52 PM Thread Starter
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Chris
 
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Location: Toronto, Ontario, Canada
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Valve Retainers and locks

Just got my engine back from the builder, I had the valve covers off and noticed the Valve Retainers and locks look a little weird, I'm running Edelbrock RPM heads with 11/32 Valves;

What do you guys think??



I'm using 10 Degree Retainers & locks

- Manley Street Master Steel Standard Valve Spring Retainers 23636-16
https://www.summitracing.com/int/parts/man-23636-16

- Manley 10 Degree Machined Standard Valve Locks 13097-16
https://www.summitracing.com/int/parts/man-13097-16
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post #2 of 14 (permalink) Old Nov 8th, 18, 12:44 AM
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Jeff
 
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Re: Valve Retainers and locks

Something just does not look right. I am not a expert so will let the guys in the know figure it out.

78 Malibu, 402, eddy heads, 174 B&M blower, th350, holley sniper EFI, 9" 3:70, 26X8.50-15 slicks.
69 VW baja 1679cc. stick shift toy.
96 chevy 1500, tow vehicle.
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post #3 of 14 (permalink) Old Nov 8th, 18, 7:05 AM
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Mr Bill
 
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Re: Valve Retainers and locks

Impossible to tell anything from your picture but they look fine to me. What do think does not look right ?

Bill Koustenis
Advanced Automotive Machine
Waldorf Md


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post #4 of 14 (permalink) Old Nov 8th, 18, 10:54 AM
 
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Re: Valve Retainers and locks

Quote:
Originally Posted by 1967 chevelle View Post
Just got my engine back from the builder, I had the valve covers off and noticed the Valve Retainers and locks look a little weird, I'm running Edelbrock RPM heads with 11/32 Valves;

What do you guys think??



I'm using 10 Degree Retainers & locks

- Manley Street Master Steel Standard Valve Spring Retainers 23636-16
https://www.summitracing.com/int/parts/man-23636-16

- Manley 10 Degree Machined Standard Valve Locks 13097-16
https://www.summitracing.com/int/parts/man-13097-16
That's pretty far for a set of keepers to extend above a retainer. That needs to come apart and verify lock angle and included angle on retainer.

Chris Straub
Mfg Performance Parts

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Why is it we never have time or money to do it the right way in the beginning but we always have time and money to do it over again?
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post #5 of 14 (permalink) Old Nov 8th, 18, 11:39 AM
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Jeff
 
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Re: Valve Retainers and locks

Quote:
Originally Posted by cstraub View Post
That's pretty far for a set of keepers to extend above a retainer. That needs to come apart and verify lock angle and included angle on retainer.
I kinda thought that Chris, it almost looks to me like there is something in the locks keeping them from sitting into the groove on the valve, the space is way too wide. I have all edelbrock stuff on my heads and the keepers are almost touching with a much smaller gap and they do sit near flush.

78 Malibu, 402, eddy heads, 174 B&M blower, th350, holley sniper EFI, 9" 3:70, 26X8.50-15 slicks.
69 VW baja 1679cc. stick shift toy.
96 chevy 1500, tow vehicle.
03 yz85 fun bike.
04 scion XB daily driver.
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post #6 of 14 (permalink) Old Nov 8th, 18, 11:40 AM
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Jeff
 
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Re: Valve Retainers and locks

Quote:
Originally Posted by BillK View Post
Impossible to tell anything from your picture but they look fine to me. What do think does not look right ?
Those keepers or locks are not sitting in there correctly is what I see. The gap also looks wrong on between them.
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78 Malibu, 402, eddy heads, 174 B&M blower, th350, holley sniper EFI, 9" 3:70, 26X8.50-15 slicks.
69 VW baja 1679cc. stick shift toy.
96 chevy 1500, tow vehicle.
03 yz85 fun bike.
04 scion XB daily driver.
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post #7 of 14 (permalink) Old Nov 8th, 18, 11:42 AM
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Jeff
 
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Re: Valve Retainers and locks


78 Malibu, 402, eddy heads, 174 B&M blower, th350, holley sniper EFI, 9" 3:70, 26X8.50-15 slicks.
69 VW baja 1679cc. stick shift toy.
96 chevy 1500, tow vehicle.
03 yz85 fun bike.
04 scion XB daily driver.
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post #8 of 14 (permalink) Old Nov 8th, 18, 1:05 PM
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Mr Bill
 
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Re: Valve Retainers and locks

I just put together a set of Comp retainers and locks and they definitely sit further down in the retainer. But that really doesn't mean anything.. That's also why I said in my original reply that its impossible to tell from your picture Probably not a bad idea to pull one off and see how it fits the retainer / valve.

One other thing I noticed in your picture but it is really the wrong angle to tell for sure . . . . how far down in the polylock is the set screw ? Cant see it in the picture which tells me it is pretty far down and might not be allowing much thread engagement on the stud. You might need longer studs.
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Bill Koustenis
Advanced Automotive Machine
Waldorf Md


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post #9 of 14 (permalink) Old Nov 8th, 18, 1:41 PM
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Re: Valve Retainers and locks

Quote:
Originally Posted by Jebchevelle View Post
Those keepers or locks are not sitting in there correctly is what I see. The gap also looks wrong on between them.
that is what I am seeing as well.


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post #10 of 14 (permalink) Old Nov 8th, 18, 1:43 PM
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Jeff
 
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Re: Valve Retainers and locks

Quote:
Originally Posted by BillK View Post
I just put together a set of Comp retainers and locks and they definitely sit further down in the retainer. But that really doesn't mean anything.. That's also why I said in my original reply that its impossible to tell from your picture Probably not a bad idea to pull one off and see how it fits the retainer / valve.

One other thing I noticed in your picture but it is really the wrong angle to tell for sure . . . . how far down in the polylock is the set screw ? Cant see it in the picture which tells me it is pretty far down and might not be allowing much thread engagement on the stud. You might need longer studs.
good eye Bill. That lock does either look to be missing or way down inside.

78 Malibu, 402, eddy heads, 174 B&M blower, th350, holley sniper EFI, 9" 3:70, 26X8.50-15 slicks.
69 VW baja 1679cc. stick shift toy.
96 chevy 1500, tow vehicle.
03 yz85 fun bike.
04 scion XB daily driver.
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post #11 of 14 (permalink) Old Nov 10th, 18, 1:01 PM
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Re: Valve Retainers and locks

There looks to be a definite issue. Looks like the retainer could be a 7 and not 10 deg. Or did you verify that those are NOT a 3/8 valve steam. The locks like like there us a good size gap in there that im not used to seeing.
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post #12 of 14 (permalink) Old Nov 10th, 18, 11:33 PM
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Kerry
 
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Those locks definitely are not seated on the valve stem or in the retainer correctly.
What diameter are the valves supposed to be, compared to what the locks are made for?
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post #13 of 14 (permalink) Old Nov 11th, 18, 9:42 PM Thread Starter
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Chris
 
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Re: Valve Retainers and locks

The Edelbrock Valve Diameter Is 11/32" here are the specs for the following parts;


Manley Street Master Steel Retainers 1.550" Spring O.D.

1.550'' Spring O.D.
Double/Triple Spring Type
(A) 1.500'' O.D.
(B) 1.130'' I.D.
(C) 0.735''
(D) 0.640''
Standard Height
10 Keeper x ''All'' Valve Stem
29 Grams
16/pkg.

Manley 10 Steel Valve Locks 11/32" Valve Stem (.3415" )
10 Steel Valve Locks
11/32'' Valve Stem (.3415'')

Conventional Groove
Standard Height
6.8 grams
16/pkg

I called Manley up and sent them pictures and they said it looks totally normal.





The rocker arms poly nut has 0.485" of thread engagement on the ARP rocker studs which works out to be 9.5 turns, I was told 5 turns was minimum.
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ID:	578670  


1967 Chevelle Oshawa Built Car
-427 .60 over, Lunati 60211 Roller cam
-Super T10 2.64
-Dana 60 3.54 Posi
1967 chevelle is offline  
post #14 of 14 (permalink) Old Nov 11th, 18, 10:04 PM
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Jeff
 
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Re: Valve Retainers and locks

Quote:
Originally Posted by 1967 chevelle View Post
The Edelbrock Valve Diameter Is 11/32" here are the specs for the following parts;


Manley Street Master Steel Retainers 1.550" Spring O.D.

1.550'' Spring O.D.
Double/Triple Spring Type
(A) 1.500'' O.D.
(B) 1.130'' I.D.
(C) 0.735''
(D) 0.640''
Standard Height
10 Keeper x ''All'' Valve Stem
29 Grams
16/pkg.

Manley 10 Steel Valve Locks 11/32" Valve Stem (.3415" )
10 Steel Valve Locks
11/32'' Valve Stem (.3415'')

Conventional Groove
Standard Height
6.8 grams
16/pkg

I called Manley up and sent them pictures and they said it looks totally normal.





The rocker arms poly nut has 0.485" of thread engagement on the ARP rocker studs which works out to be 9.5 turns, I was told 5 turns was minimum.
Those pics the keeprs look right but that first pic looks off. maybe they needed to settle?

78 Malibu, 402, eddy heads, 174 B&M blower, th350, holley sniper EFI, 9" 3:70, 26X8.50-15 slicks.
69 VW baja 1679cc. stick shift toy.
96 chevy 1500, tow vehicle.
03 yz85 fun bike.
04 scion XB daily driver.
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