Pontiac - Race The next Level

          
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Old 02-03-2014, 12:16 AM
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68blackbird 68blackbird is offline
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Default valve lock and retainer measurements

I have a set of locks and retainers but have no idea if they are 7 deg. or 10 deg. Can some one measure the od of a 10 deg. Lock and the id of a 10 deg. retainer for me?

Rich

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Old 02-03-2014, 07:39 AM
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steve25 steve25 is offline
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Default

You do not have a stock retainer to fit them into to check.A stock 11/32" reatiner will not accept a 10 degree lock.
Any other stock GM retainer other then BB chevy takes the same locks as the Pontiac does, as do many Fords that do not have 3/8" stem valves like the BB chevy.

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