The fastburn is basically a ZZ4 with better flowing heads. The heads on the ZZ4 leave a bit to be desired,as dyno tests I have seen show that the ZZ4 makes better power with the iron Vortecs than with the alum heads supplied with it! A fastburn with the HOT cam added is ZZ430 specs....... 
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....
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