scorpion roller rockers... good or bad

[spike]

I just dropped my car off to get some Trick flow heads installed and was told I had to buy a ton of extra $hit to put them on.I had Crane 1.7 rollers (pedistal mount) that i just put on 1 month ago and was told I needed stud mount. So he sells me scorpion 1.7 rollers (stud mount)and tells me their one of the best on the market. He also tells me the ford motersport valve covers I just put on won't work either and sells me Comp valve covers. Well after new rollers, hardened push rods, valve covers, gaskets, lifters, timing chain, breather cap,which he said I had to use, and other misc. crap i'm in it for $2600.00. Well over what I had planned on spending.Do I really need all the extras. And are scorpion rollers any good.

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90 LX,full exhaust,4.10s,southside uppers & lowers,crane 1.7 rollers,GT 40 upper & lower,24lb inj,B-303,Pro 5.0 shifter,70mm TB,75mm mass air,msd 6al,BBK cold air,adj fuel reg.,190lph,Hoosier D.O.T. slicks.100 shot NOS, 8.78 80 mph motor 8.12 @ 86 NOS 1/8 mi.