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Big Boy Racing Fabrication
4.6 custom cams
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If you're looking for reliable cams for your modular motor, 4.6 or 5.4 lightning (no drivetrain problems), for N/A, turbo, supercharged or nitrous, we have the the selections from hot street to super competition.  To take full advantage of our cam shafts flow capabilities, we highly recommend head porting.

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Stage one, Hot Street:
 
SOHC = .540 x .540 x 215 duration @ .050 x 114 LSA 
Rumpy idle (like E303) pulls hard from 2800 to 6500, good street/stip cam blown, nitrous, aspirated, stock block, all bolt-ons, ported heads recommended.
 
Stage two, Pro Street:
 
SOHC = .540 x .540 x 225 duration @ .050 x 112 LSA
Rough idle, pulls hard from 3000 to 7000, perfect for 12lbs. and higher boost, turbo, supercharged engines.  To take full advantage of this cam's flow potential you will need a forged short block, and ported heads are mandatory.  More of a strip cam than a street cam, but can be run on the street with the supporting hardware.
 
Stage three, Super Competition:
 
SOHC = 565 x 565 x 230 duration @ .050 x 110 LSA
Very rough idle, killer mid-range, top-end performer, pro-street/competition, don't even think about this type of cam unless you are building an all-out race motor.
 
Stage one, Hot Street:
 
DOHC = .450 x .450 x 215 duration @ .050 x 114 LSA
Rumpy idle, pulls hard from 2500 to 6500, perfect for a strong N/A motor, excellent for a turbo/blower, ported heads recommended.
 
Stage two, Pro Street: 
 
DOHC = .450 x .450 x 225 duration @ .050 x 112 LSA
Rough idle, pulls hard from 3000 to 7000, perfect for 12 lb. and higher boosted supercharged turbo/nitrous.  Great strip cam, but can be run on the street.
 
 

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