Nigel at UK blowers has told me that I should be ok with single heavy duty valve springs but I just thought I would get a second opinion from you guys!
Its a 4.0 with real steel blower cam (which recommends double springs) and 4-71 blower atop, and rhodes lifters.
Double springs will end up costing about a hundred quid more by the time I buy suitable retainers and have machining done on the seats- but I could spend that on repair parts if singles prove not to be up to the job!
I want to order the parts on monday so everyones advice is welcomed!!!
TC
Valve springs
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