HEADs on ebay

[lji372]

http://www.ebay.com/itm/2003-04-Ford-Racing-Cobra-32V-4-6-DOHC-Cylinder-heads-Roadrace-cams-/151581758126?pt=Motors_Car_Tru ck_Parts_Accessories&hash=item234afa12ae&vxp=mtr

[Baconbit]

Are these something that you could just bolt on to a N/A marauder engine? If so, what kind of HP gain would you be looking at?

[Logizyme]

The heads themselfs are the same as Marauders.

The cams are appearently aftermarket.

[MOTOWN]

Are these something that you could just bolt on to a N/A marauder engine? If so, what kind of HP gain would you be looking at?

Little to nothing on a stock motor because a stock motor isn't coming anywhere close to the flowing potential of the 4V heads , let alone a set that have been worked/ported , you would need to introduce a whole lot more air into the motor (IE FORCED INDUCTION) to take advantage of a set of ported heads.

[chief455]

Little to nothing on a stock motor because a stock motor isn't coming anywhere close to the flowing potential of the 4V heads , let alone a set that have been worked/ported , you would need to introduce a whole lot more air into the motor (IE FORCED INDUCTION) to take advantage of a set of ported heads.
the ad states not ported, so I guess stock Cobra heads?
just cams for N/A:
Duration
253/253
Lift
425/425
Lobe Center
116
could be a way to buy used cams, with free low mile heads I guess :confused: