[Fot] TR4 valve springs for .549 lift ?

[John Styduhar]

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.

On Sat, Nov 12, 2016 at 5:17 PM, Tony Drews <tony at tonydrews.com> wrote:

> 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.
>
> www.BritishFrameandEngine.com / BFEparts at aol.com
>
> Regards, Tony
>
>
> At 12:52 PM 11/10/2016, toodamnfunky at comcast.net wrote:
>
>> FoT,
>> I'm changing cam spec this year and the new cam will lift at the valve to
>> .549.
>> Can anyone suggest a source for valve springs that will work with .549 ?
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>
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