Finally decided on ordering a set of Trickflow 255s. Valve spring question
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I also consider springs a wear item, and I like to swap out springs every 15K to 30K....depending on application and how I use the car. So.....in a couple of years or so, you can swap in the BTR springs.
But for God's sake Andy, whatever you do......stop overthinking things.

The PAC springs on those TF heads, which I believe are the same as the springs on AFR's LS3 heads, are among the best you're gonna come across for your application.
Best of luck!
KW





