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Mod | | | Forums66 Topics128,089 Posts1,056,004 Members48,430 | | Most Online14,466
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| | | | Joined: Jun 2012 Posts: 166 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 166 | I have had to have the head on my 51 gmc 270 rebuilt due to a valve failure. I am missing one of the parts to finish up putting it back together though. I am not sure what to call this part, either its the oil shield that sits on top of the valve spring or its called a valve spring retainer. I am not sure but both of these parts look identical to me. Either way, I am not sure where to find one of these little parts. The shop that rebuilt the head said he would have to have one of mine in hand to see if he had anymore laying around, but I've already got them all back on the engine. My contact at Oreilys couldn't come thru. Anybody know where I could pick one up ?
Thanks, Troy | | | | | Joined: Jun 2016 Posts: 236 DLBrooks | | DLBrooks Joined: Jun 2016 Posts: 236 | I have a locked up 270 in a 59 GMC 1/2 ton that will be a spare parts engine. I have a lead on a running 302 that I plan on using. If you strike out let me know and show a pic of the part. I have not had the valve cover off it yet. They may move your post to parts wanted.
Last edited by 42465967; 07/15/2016 9:45 PM.
| | | | | Joined: Jun 2012 Posts: 166 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 166 | Thank you very much for that offer... I will let you know how it comes out.
I appreciate that very much !
Troy | | | | | Joined: Jan 2015 Posts: 914 'Bolter | | 'Bolter Joined: Jan 2015 Posts: 914 | I do not know GMC engines. Though on top of my Chevy stovebolt the valve spring there is a metal cap. Looks like a small hat with a very wide brim that sits on top of the valve stem end and covers the top of the valve spring. The rocker arm pushes down on this "hat" to open the valve.
This "hat" is the valve spring rotator. My first thought when guessing what it was called an oil shield just as you did.
The valve spring keepers and valve spring retainer sit underneath the valve spring rotator.
I think Kanter Auto Parts sells the valve spring rotator with a new spring. Jeffrey | | | | | Joined: Jun 2012 Posts: 166 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 166 | Thanks Jeffrey, that is exactly what I need. I will try and track them down and give them a call.
Much appreciated !
Troy | | | | | Joined: Jun 2012 Posts: 166 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 166 | Striking out on finding a supplier for the valve spring retainer. Anybody got any idea's ? | | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | I might have one, I'll look next week when I have some time. Going fishing.
Ed
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
| | | | | Joined: Jun 2012 Posts: 166 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 166 | Man, that is awesome, Ed. The fishing part and the truck part too  | | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | Need: retainer OD. Exh. or Int. Stem OD. Is spring side of retainer flat or stepped, if stepped, dimensions please.
Ed
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
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