Sx vmax redhead

[modsrx]

What kind of rpm a redhead engine should turn with pipe without porting

 

[RXMax]

Depends on the brand of pipes. Some were 8400 all the way to 9000

 

[modsrx]

Depends on the brand of pipes. Some were 8400 all the way to 9000

Thnx ����

 

[RXMax]

Most run about 8600-8700