<div dir="ltr"><div class="gmail_default" style="font-size:small">I have the Isky TR4 spring set (TR-05 and TR-06) and the max coil bind height is 1.060".  Installed height is 1.625". So the max lift would be the difference between the two. This would depend also on the spring seat pressure, which is 100 lbs. on the spec. sheet.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Nov 12, 2016 at 5:17 PM, Tony Drews <span dir="ltr"><<a href="mailto:tony@tonydrews.com" target="_blank">tony@tonydrews.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">That seems about what I'm running for lift.  I'm running springs from BFE and they don't bind.  They seem close to the TR-4 springs sold by Crower - I ended up with Crower titanium retainers when BFE went offline (it's back under new ownership).  Isky also has a spring set for TR-4, not sure if those support that lift but I'm guessing they do.<br>
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Regards, Tony<div><div class="h5"><br>
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At 12:52 PM 11/10/2016, <a href="mailto:toodamnfunky@comcast.net" target="_blank">toodamnfunky@comcast.net</a> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">
FoT,<br>
I'm changing cam spec this year and the new cam will lift at the valve to .549.<br>
Can anyone suggest a source for valve springs that will work with .549 ?<br></div></div>
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