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Zeeker Heads Flow Numbers

Posted By: SD800

Zeeker Heads Flow Numbers - 01/21/10 07:48 PM

Had my heads flowed by Barnett Performance, the intake flowed 375CFM and the exaust was 220CFM both at .700 inch lift.
The intake lost 5 cfm between .700 and .800 lift but the exaust continued to improve

I would like to stay around .700 lift can the exaust be improved to flow more at .700
Posted By: sixpakdodge

Re: Zeeker Heads Flow Numbers - 01/21/10 07:55 PM

I don't have much to add here, but I want to say that those seem like pretty good numbers for those heads. I imagine that they have been extensively ported? Any pics?
Posted By: roadhazard

Re: Zeeker Heads Flow Numbers - 01/21/10 08:07 PM

I would imagine that the exhaust could be improved. I have those type of exhaust numbers in my home ported 915's

IIRC they should have a 75% ratio intake to exhaust.

Great numbers on the intake
Posted By: Mopar_racer_99

Re: Zeeker Heads Flow Numbers - 01/21/10 10:57 PM

Who ported the heads, they should flow equal to fully ported -1 heads since Loren's heads were the predecessors to them. John
Posted By: Bob_Coomer

Re: Zeeker Heads Flow Numbers - 01/22/10 02:12 AM

Quote:

Had my heads flowed by Barnett Performance, the intake flowed 375CFM and the exaust was 220CFM both at .700 inch lift.
The intake lost 5 cfm between .700 and .800 lift but the exaust continued to improve

I would like to stay around .700 lift can the exaust be improved to flow more at .700



Those sound great..
What needs to be asked is, if the flow bench operator used a tube or not on the exh side..
That can easily move them up a good 25% in flow or close to it..
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