These are going on a 408 stroker for racing only in a 2200lb car with autotrans to run 1/8 mile dragstrip.I"ve got to build custom headers,,should I use 1 7/8 or 2 in primaries?Maybe 1 7/8 to 2in,I was thinking 30 to 32 lenth I"m using slip-on collectors so I can adjust the lenth.Also would you use a merge collector or4 to 2 to 1 collector?RPM range 5000 to 8000,I"m using a WAR singleplane intake with a carb. set-up the, heads are radically ported,c.r.is 12.5 to 1.All ideas welcome,how bout it Chris or Denz???

 

to the top