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Need help identifying this glow head Empty Need help identifying this glow head

Post  Lukemiester Sat Mar 20, 2021 4:43 pm

Fits on a cox, has more compression than a tee dee head and looks like it doesnt belong
I’m thinking its a norvel plug but i cant find anything on it
Any ideas?
Need help identifying this glow head D765ca10
Need help identifying this glow head Adf4b710


Last edited by Lukemiester on Sat Mar 20, 2021 4:45 pm; edited 1 time in total (Reason for editing : Autocorrect...)
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Post  davidll1984 Sat Mar 20, 2021 5:20 pm

Norvel wit its inserts its posible To just use the glow plug insert wit m'y larger heatsink wil fit over the cox engine heatsink look Need help identifying this glow head 16162810
Need help identifying this glow head 16162811 its inserts wit som sort of thick shim wit the larger heatsink tink the norvel heli also fit Good wit that insert glow plug Keep this piece like gold can make engine run very Good if set correct
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Post  Ken Cook Sat Mar 20, 2021 5:29 pm

It's a Norvel plug. One thing to be careful with is that if you look at the perimeter of the plug, you see a substantial landing where it seats. This isn't of real concern on a Norvel engine because the piston doesn't make it to the glow plug seat in the case. Cox pistons can sometimes extend above the glow plug seat. This can cause the piston to hit the plug. A Cox plug such as the 1702 doesn't have that peripheral landing very wide and if the piston does extend slightly above the landing it won't contact the plug. I've had the Norvel plugs on Cox engines and the piston has hit the plug requiring more head gaskets.
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Post  davidll1984 Sat Mar 20, 2021 5:59 pm

I prefer to adjust the cylinder height and And use just one chim wit one head gasket works Good with the car .. at least My video speak from ther self Piston should never pas tdc And lower its cylinder for compression Old Bugger most hi comprestion glow plug wil do that To so ?? Unles piston conecting rod nead bal reset ? Wil Not bent conecting rod lower its cylinder wil damage engine
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Post  Lukemiester Sat Mar 20, 2021 8:38 pm

Thanks for the help! I figured it was a norvel, but I’m darn sure this is a solid plug, no insert. What could it be from?
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Post  Lukemiester Sat Mar 20, 2021 8:45 pm

Well
After further inspection I saw the very bottom was machined differently than the top so I pushed on it and sure enough it is an insert plug.
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Post  Surfer_kris Sat Mar 20, 2021 11:37 pm

It is an early Norvel plug. These are easily recognised by the "squared-off" tip on the centre electrode. These plugs are a little colder than the later ones, which are recognised by the rounded tip on the centre electrode:
Need help identifying this glow head Img_1714
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