Thread: super boss c351 heads ?

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For street use, the 2V heads work fine, the port size on the 4V and the majority of the aftermarket heads need the engine to be turning some fairly high rpm to work right. Normal street use makes all the extra flow of the big ports unnecessary.

The 2V heads with a bit of match porting an inch or so down the runners, along with a multi-angle valve job and the right cam (call the tech's at Comp or other cam companies for their advice) and the Clevor engines are excellent performers.... If I were building a Clevor today, it would be either the stock heads or the new design Trick Flow heads.

Originally Posted by Dave Severson

For street use, the 2V heads work fine, the port size on the 4V and the majority of the aftermarket heads need the engine to be turning some fairly high rpm to work right. Normal street use makes all the extra flow of the big ports unnecessary.

The 2V heads with a bit of match porting an inch or so down the runners, along with a multi-angle valve job and the right cam (call the tech's at Comp or other cam companies for their advice) and the Clevor engines are excellent performers.... If I were building a Clevor today, it would be either the stock heads or the new design Trick Flow heads.

i dont know if i want chance on useing the cleveland 2v head do to pinging.i think the 4v heads will work if only i can do something to get them to react at little lower rpm range for the street i dont mind the higher rpms