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1K views 4 replies 4 participants last post by  old falcon fan 
#1 ·
Well not sure what to do ,I had some closed chambered ulp heads and hirise manifold coming my way but whent sour. So all i have is some open chambered 351 heads ,im debating if i should put harden valves in them or get closed chamber ulp heads , is there a lot more extra compreshion in them? :burnout: Allso were is the shop here i can take my thermo quads ,rockchester and 350 holley and trade them in for a 750 hol (lol)
 
#2 ·
landau37 said:
Well not sure what to do ,I had some closed chambered ulp heads and hirise manifold coming my way but whent sour. So all i have is some open chambered 351 heads ,im debating if i should put harden valves in them or get closed chamber ulp heads , is there a lot more extra compreshion in them? :burnout: Allso were is the shop here i can take my thermo quads ,rockchester and 350 holley and trade them in for a 750 hol (lol)
Can someone on here tell landau37 what the compression difference is between c/c 2v's and o/c 2v's on a stock motor

landau37 you have PM
 
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