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Old 01-28-2013, 10:16 PM   #1 (permalink)
 
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GTO 400 HO Engine Valves

Does enybody know were I can get for my 1968 GTO 400HO engine with # 16 head the intake and exhaust valves ??? They measure head diameter (by the service manual) Int. 2.06 and Ext. 1.72 . the rest is the same. I fund in Ferrea 2.11 and 1.77 but I dont know if they are to big. Central Virginia MS doesn't answer my emails. I don't know were else to look. There are a few photos of my original valves, but their measure is still different. Check the photos. Thanks for any help. P/n would be great.
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GTO 400 HO Engine Valves-intake-valve-measurement.jpg   GTO 400 HO Engine Valves-gto-exhaust-valve-measurement.jpg   GTO 400 HO Engine Valves-68-gto-intake-valve.jpg   GTO 400 HO Engine Valves-pontiac-gto-exhaust-valve.jpg  
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Old 01-29-2013, 08:27 AM   #2 (permalink)
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2.11/1.77 is the correct valve size for those heads.

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Old 01-29-2013, 09:17 AM   #3 (permalink)
 
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How and simple answer solves a "complicate" problem. Thank you BearGFR. Members like you is what this forum needs. Be in touch.
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Old 01-30-2013, 04:50 PM   #4 (permalink)
 
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I bought the Ferrea valves for my #61 heads and my machine shop said they are the best. I got them from CV in Thomasville, NC. 1-877-781-8877 at a super price.
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Old 02-03-2013, 08:31 AM   #5 (permalink)
 
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Thank you Orelog. I just order it from Flatlander Racing not the cheapest but average in price.
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