Valves type


IHC in the early to mid-fifties.

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Post Thu Jul 19, 2018 7:40 pm

Valves type

Hi I'm looking at replace ing the head gasket on my 1951 L100 silver Star 220 and my gasket supplier asked what type of valves are in the engine tilted or not and I really don't know. Any help would be greatly appreciated.
Thanks Giulio

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Post Thu Jul 19, 2018 8:08 pm

Re: Valves type

You can tell by the valve cover.

Tilt valve is 6" wide x 4 1/2" tall
Non Tilt valve is 5 1/4" wide x 3 3/4" tall

This info was copied from RockAuto.com
Kerry
56 S-120 4x4 started the whole mess.
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Post Thu Jul 19, 2018 8:44 pm

Re: Valves type

That Silver Star is first of that model I ever heard of. I thought my 220 Brown turd was a rare engine. Maybe the former owner painted the engine brown because it was a gutless POS.
I would rather have tools I do not need than to need tools I do not have

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Post Fri Jul 20, 2018 12:03 am

Re: Valves type

Let's start with the assumption you just want your question answered. IF it's the original engine, it's straight valve, and a Silver Diamond 220. The simplest way to know if it's straight valve, is to look at the valve cover. If it has a raised ridge running lengthwise, front to back, it's tilt valve. If it only has the six raised ribs running side to side, it's straight valve. If you aren't sure at that point, pull the valve cover off, since it's coming off anyway to change the head gasket. If the valves are straight up and down, as opposed to angled, then you know for certain. If you aren't sure it's the original engine, you probably should determine just what you have before going much further. The L series didn't have a 100 (light duty half ton). The 100 series started with the R series. The L's had the 110's (110, 111, 112) and the 120's (120, 121,122), etc. So you probably have a 110 series. Silver Diamond engines were all straight valve. Next came the Black Diamond series, and some were straight valve and later tilt valve. Assuming you still have the data plate in the cab, I think on the kick panel under the dash on the driver's side on the L's, check the engine number against what's on the engine. Here's where you'll find the pad with the engine numbers. Presumably SD220 and the serial number.

129_2949a.JPG


Or post a picture of the driver's side of the engine and the valve cover, or the engine number from the pad and we can tell you what you have.

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Post Fri Jul 20, 2018 9:10 am

Re: Valves type

Thanks for the info my truck is a 110 I've been getting some parts from Napa and for some reason they have it listed as 100. I checked both the name plate inside and the motor and they are the same 63913 and the valve cover has side to side ridges. Is replacing the gasket something that can be done at home I have tools and have done work ie breaks oil pan gasket and other things. Thanks for the info very much appreciated.

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Post Fri Jul 20, 2018 3:03 pm

Re: Valves type

It can be done at home. You'll need a torque wrench. And separate the intake and exhaust manifolds before bolting them back on. Bolt them together loosely, torque them to the head, then tighten the intake and exhaust manifolds together. Otherwise, pretty straight forward.

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Post Fri Jul 20, 2018 4:11 pm

Re: Valves type

If you can not find the correct gaskets that you need locally, you can contact Olsens gaskets: http://www.olsonsgaskets.com/

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Post Sat Jul 21, 2018 10:07 pm

Re: Valves type

Thanks for all the info, can someone let me what the torque #s are my book is ok but doesn't give any numbers on the required torque.

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Post Sun Jul 22, 2018 3:51 pm

Re: Valves type

Manifold to cylinder head - 25-30 ft lbs.
Intake to exhaust manifold - 25-30 ft lbs.
Cylinder head capscrew - 85-95 ft lbs.

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Post Sun Jul 22, 2018 8:16 pm

Re: Valves type

Thank you

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