Cam wiped out, what the hell did I do wrong?!?!?
Physhy I bought a cam from Hughes last year and they sold me the same springs you provided the link to. After I got home I checked them to verify the pressure and they actually have more pressure than their rated at. Mine show 150 lbs on the seat and 350 over the nose. That's a lot for breaking in a cam that's as aggressively ground as yours. IMO Hughes should have told you those springs were too stout for break in. Even if they were what they were rated at that's a lot of pressure to break in a cam that aggressive. JMO
bingo.
I was told the same thing 10yrs ago when I bought my hughes cam/lifters & springs.
they don't tell everybody that they figure in 'spring break in' or 'spring cycling' which is where the spring upon cycling with heat/compression loses 7-9lbs , btw that is what dave told me back then, that they start out heavy to compensate for the psi lose after spring break in.
130 psi seat would have worked, but 150+ on a fast ramp is disaster city.
Cool thing about double springs is you have pull the inners and drop the seat pressure down 20'ish psi for break in.
I love how they talk about lite weight beehive springs saying they are like titanium valves.....
I'll take the lighter valves 1st, unless they hit rockers er sumthin.
Lighter valves/'retainers' and lighter lifters are the key here.jmo
Did you know that hughes solid lifters weigh 20 grams a piece MORE than mp solid lifters? -320 grams extra to bounce around..maybe thats why they really need that beehive.
if it wasn't for their rockers...they could drop off the face of the planet for all I care.