05-21-2017, 11:44 PM | #1 |
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Location: Qld, Australia
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valve ID
I have a set of new valves for a flathead I,m building up.
it came with a set of new Precision engine parts valves part number P1821-7 and P 1821, would anyone know what the difference is,is one for the inlet? Thanks Lawrie |
05-22-2017, 12:17 AM | #2 |
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Re: valve ID
Lawrie as you probly already know already know, original ford intake valves had a dish in the center of the valve, exhaust had flat top valves
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05-22-2017, 01:19 AM | #3 |
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Location: Masterton, New Zealand
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Re: valve ID
Try with a magnet; ex valves are non magnetic
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05-22-2017, 01:44 AM | #4 |
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Re: valve ID
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West coast,8 of them have the dish , So I will use the dished ones in the intake. thanks Brian and west coast. Lawrie |
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