Hmm... those outer springs resemble the front suspension coils on my daily driver; I'd expect breakage if I used them as valve springs...
Seriously- are the retainers a good (snug) fit in the springs?
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons?
... or has built a
record breaking DOHC hemi four cylinder Pontiac?
... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967)
... or has a Pontiac born the same year as Jim Wangers? (1926}