Can anyone tell me what the spring rates should test out at for the inner & outer ‘i’ valve springs?
I’m refitting a spare head, and if I don’t have to replace the existing valve springs then that’s one less thing to have to pay for (leaving more budget for the 272 cam I want).
I’m refitting a spare head, and if I don’t have to replace the existing valve springs then that’s one less thing to have to pay for (leaving more budget for the 272 cam I want).