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Thread: Valves
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05-05-2016, 01:25 PM #1
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Valves
What is the biggest valve I can put in 643 heads.
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05-05-2016, 01:25 PM #2
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2.00 1.65 without touching seats I was told
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1995 Formula 383/t56 gone
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05-05-2016, 02:14 PM #3
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05-05-2016, 11:01 PM #4
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2.00" and 1.56", anything bigger is a waste on stock seats and will shroud them
96Z M6, ERE-383 #60, AFR 210s, LE cam, 9", Procharger D1, ???whp
95 Roadmaster T-56 swap, LE1s, baby cam, 4.56s, "The Cammaster"
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05-06-2016, 07:40 AM #5
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The stock setas re 2.00/1.56 and you can go up to a 2.00/1.56 v alve if you ahve the seats machined for these valves.
Any larger valve would require changing valve seats to larger seats.
Lloyd
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