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#1
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![Question](/forums/images/icons/icon5.gif)
Hello "Dyno Gods"
I was wondering what size "auto headers" you would use for the H2O motors
, to equate to Eickerts's cast alum headers ?
My question is what tube diameter is equal or close to a set of
KE's ?
I called KE and they were not sure
,it seems the "brains" are at the Miami show.
I need to get as close to "real world" as I can.
Thanks guys
![crazy](/forums/images/smilies/gurn.gif)
I was wondering what size "auto headers" you would use for the H2O motors
![fish](/forums/images/smilies/fish.gif)
My question is what tube diameter is equal or close to a set of
KE's ?
![Confused](/forums/images/smilies/confused.gif)
![Roll Eyes (Sarcastic)](/forums/images/smilies/rolleyes.gif)
I need to get as close to "real world" as I can.
Thanks guys
![Cool](/forums/images/smilies/cool.gif)
#2
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Location: phoenix, arizona
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![Default](/forums/images/icons/icon1.gif)
most dyno headers are 2"- 2 1/4" tube diameter. big cu. means bigger tubes, most marine headers are 2 1/4 on the inner tube. The jetting and tuning items done on the dyno will be slightly affected by header size. If you are doing a race application, use your headers for max performance tunning. If you build a poker run, pleasure motor, tune it to max with good dyno headers, then back up to the rich side tune up. Your motors will live a lot longer.