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I said" NO PROBLEMS AT ALL" to run the VR6 springs.
The springs(inner FE3-outerVR6) are about 25 % stiffer that the FE3.
Run with the stock HLA with a regrind ex cam.
I rev my motor until 9000 rpm last year with no problem.
I built my head myself and i see nothing that don't fit.
This year i run solid lifter and big cams...(expect 10,000 rpm)
When i have the time i explain in detail to transfert in solid
VERY EASY and cost about 10.00$ ea lifter.
Eric
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