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914World.com _ 914World Garage _ Blower housing alteration

Posted by: lmcchesney May 13 2004, 07:13 AM

Does anyone remember the post where the blower housing alteration is done to imporve cooling? I recall two air outlets were blocked to imporve flow.
L. McC

Posted by: tat2dphreak May 13 2004, 07:27 AM

I know you block of the 2 lower holes, the ones that feed into the H/Es...

Posted by: Jake Raby May 13 2004, 02:09 PM

thats really not an improvement, more of a disturbance..

Posted by: cha914 May 13 2004, 03:23 PM

I thought this was standard procedure on engines with headers? Care to elaborate Jake?

Thanks,

Tony

Posted by: lmcchesney May 14 2004, 07:59 AM

That is what I thought also.
I have two heat fans to push air through the heat exchangers, therefore, I do not believe I will need to divert air from the impeller to the H.E. and wanted to divert that air flow to the heads/engine. Would this not help the air flow? I realize it may not record a difference in head temp.
L.. McC

Posted by: maf914 May 14 2004, 02:12 PM

If these are closed off you end up with two square edged pockets on the inside of the shroud schroll which may disturb flow. You could fill these or make covers that match the curve of the schroll. I assume the flow would then be as good as before or increase slightly. Just a guess.

Posted by: dmenche914 May 14 2004, 03:54 PM

Just a hunch here, but it might be important to keep some air going thru the heat exchangers. Could it be they need this air to prevent damage do to over heating???? I just cannot figure why the factory would have them, as the electric fan(s) give enough air for heating the cabin.