351C Hardened Seats Needed???

5434 Views 9 Replies 4 Participants Last post by Guest, Apr 3, 2001

70calypsomach

Discussion Starter · Apr 2, 2001

Sending my heads to the machine shop in the next week or so. What is everyones opinion on putting hardened seats in? Are the really needed? Do you do both or just exhaust? The engine will have SS valves, 4v quenched heads and be a weekend driver during the summer. Comp is 11.0 :1. The valve seats are in great shape (not recessed, first valve job)

Mark Memmer
70 Calypso Coral Mach 1 351C 4V Completed by 8/01
98 Cobra Convertible
93 5.0 Mustang LX (Winter Ride)
00 Volvo S80 (Wifes Ride)

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70calypsomach

Discussion Starter · #6 · Apr 2, 2001

I changed the valves to single groove and have 7/16 studs ready for installation. Cam specs are Crane roller cam: In Dur 228 at 050, .597 Lift, Ex Dur 232 at 050, 609 lift. Deg lobe sep 112

Mark Memmer
70 Calypso Coral Mach 1 351C 4V Completed by 8/01
98 Cobra Convertible
93 5.0 Mustang LX (Winter Ride)
00 Volvo S80 (Wifes Ride)

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70calypsomach

Discussion Starter · #8 · Apr 2, 2001

Windage tray, baffled oil pan, Melling HV pump, chamfered passages, and am looking into the oil rerouting hose for the mains. No too sure about it yet. Not into restrictors...Robbing Paul to pay Peter....

Mark Memmer
70 Calypso Coral Mach 1 351C 4V Completed by 8/01
98 Cobra Convertible
93 5.0 Mustang LX (Winter Ride)
00 Volvo S80 (Wifes Ride)

Save

1 - 3 of 10 Posts

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