5.0 piston ring size or part number??? - Ford Mustang Forums
 
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post #1 of 6 (permalink) Old 06-19-2008 Thread Starter
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5.0 piston ring size or part number???

My friend and i have been trying to find the stock piston ring size for a 91 5.0L HO V8. Summit has sent us the wrong rings twice when we asked for "stock replacement" rings. I was wondering if anyone could tell me the size or a part number of some mid-range piston rings. thanks!

1965 mustang coupe
all original
200ci I-6
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post #2 of 6 (permalink) Old 06-19-2008
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Originally Posted by grivlet View Post
My friend and i have been trying to find the stock piston ring size for a 91 5.0L HO V8. Summit has sent us the wrong rings twice when we asked for "stock replacement" rings. I was wondering if anyone could tell me the size or a part number of some mid-range piston rings. thanks!
these are the size you need


1986-95 302cu. in. Eng. Ford, Mercury, Vin: N 5.0 Litre

cyl dia. (bore).....101.60mm 4.000

Qty & Width....... comp .......16 - 1.5mm......oil.....8 - 4.0mm


if you are just putting it back stock here it is at advance auto parts...

AE Clevite Engine Parts Plain Cast Ring Set

Part Number: 3100009
post #3 of 6 (permalink) Old 06-20-2008
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Cool, thanxToo! I'm getting a old NOS 90-91 302-5.0 and I need to replace the rings since its been sitting and has never run, new bearings too
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post #4 of 6 (permalink) Old 06-20-2008
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post #5 of 6 (permalink) Old 06-21-2008
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I hope that the cyl got honed and you know what grade hone job you got so you can get the right ring..ie steel,moly,etc
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post #6 of 6 (permalink) Old 06-22-2008
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Thats strange, because Summit is where I just recently purchased all my stuff for the build, and it was all good.

1986 GT-Ponies(metallic Grey)-Not trying to build a race car- E-303-E7TE Heads- Summit Racing 9.2:1 Pistons with Valve Reliefs for Cearance-Summit Rings-Clevite Bearings-Mr. Gasket Set(With exception of Felpro rubber Oil Pan Gasket)-Comp Cams Double Roller Chain-Cardone Water Pump-AutoLite 25s gapped to .043-Touring CAI-MAF Conversion with A9L-Summit Racing Off Road H-Pipe w/40 series Flowmasters-Bought the car 100% stock, even with stock exhaust, so Mods will take some time!
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