British Frame & Engine has all that stuff, but we use Isky springs from some
NASCAR type Ford motor.
John H. Hasty
Attorney At Law
Guthrie, Davis, Henderson & Staton, P.L.L.C.
719 East Boulevard
Charlotte, North Carolina 28203-5113
Tele: (704) 372-5600
Fax: (704) 372-4601
E-mail: jhhasty@gdhs.com
www.gdhs.com
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-----Original Message-----
From: fot-bounces@autox.team.net [mailto:fot-bounces@autox.team.net] On
Behalf Of Tim Murphy
Sent: Tuesday, May 08, 2012 2:40 PM
To: fot@autox.team.net
Cc: ryan.murphy@fdlco.wi.gov
Subject: [Fot] TR4 Valve spring - pressure, assembled height, suppliers
The machinist doing the work on our cylinder head tells me that we only have
about 70 pounds of pressure on the seats. He thinks this is pretty low, in
his experience with other engines. He also asked if I had the assembled
height of the springs, i.e. how much compression when assembled to the head.
He usually has this spec and shims the spring to obtain the specified
height. Lastly, the alloy retainers are pretty beat up and the origin of
the springs are unknown and he thinks they look questionable. Who are the
suppliers of valve springs, retainers, keepers and spring seat hardened
washers for racing purposes?
Thanks,
Tim and Ryan
1961 TR4 #317
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