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Post  WingingIt74 Sun Mar 11, 2012 9:38 am

Which direction should the hole point?
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Post  microflitedude Sun Mar 11, 2012 10:15 am

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Post  Surfer_kris Sun Mar 11, 2012 10:22 am

WingingIt74 wrote:Which direction should the hole point?

Straight down-stream along the bore is the way they come/came from the factory.
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Post  dankar04 Sun Mar 11, 2012 10:29 am

Surfer_kris wrote:
WingingIt74 wrote:Which direction should the hole point?

Straight down-stream along the bore is the way they come/came from the factory.

Sounds good to me.
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Post  WingingIt74 Sun Mar 11, 2012 10:41 am

Surfer_kris wrote:
WingingIt74 wrote:Which direction should the hole point?

Straight down-stream along the bore is the way they come/came from the factory.

Thanks man!
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Post  SuperDave Sun Mar 11, 2012 12:54 pm

Not only for Medallions but all engines with spray bar holes.
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Post  Surfer_kris Sun Mar 11, 2012 2:42 pm

In theory though, you have a slightly better under-pressure slightly away from straight downstream. PAW for instance utilities that and have made two holes, both are downstream but none straight downstream. Another example is the rotatable spray bar on Supertigre carbs, which enables adjustment of the midrange.

On the Medallion you only have six positions to choose from though, and the one straight downstream is the one to use.

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Post  RknRusty Sun Mar 11, 2012 2:42 pm

You have 3 downward choices because of the hex shaped seat. Put it in the position that points down and towards the front. It gets way better draw there than straight down.

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Post  RknRusty Sun Mar 11, 2012 2:42 pm

Surfer_Kris beat me to the post. Defer to his advice.

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Post  SuperDave Sun Mar 11, 2012 3:50 pm

Can't say that's been confirmed by my experience but that's OK.
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