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Czar of C.R.A.P.
 
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Join Date: Jul 2003
Posts: 2,323
fan output question

I noticed while tuning the car that around 3000 rpm the fan is producing so much air that it starts to blow back out of itself. I have heater blockoffs as the engine had PMO ITBs, EMS, and headers. Should there be some sort of relief so the air can go someplace besides back out the fan. Seemed very strange to have air blowing out of the fan instead of sucking in.
Car does not seem to overheat even when being dyno'ed

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66 912 Coupe
84 Carrera Cab Hardtop HC3.4 Hyper Carrera
2005 Dodge Magnum 5.7 HEMI
Cabriolet Racing And Performance C.R.A.P. Gruppe #1
Put on some C.R.A.P. and drive....
Old 12-06-2008, 03:13 PM
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Are you sure that rats haven't nested in your engine?
Old 12-07-2008, 01:41 PM
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Czar of C.R.A.P.
 
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Join Date: Jul 2003
Posts: 2,323
If they are, they are damn fast rats. I just assembled the engine the day before. This was a 3.2 carrera with heat at one point. It used to dump excess air out the heater tubes. Those tubes are now gone so the air appears to have no place to go.
Perhaps I should put some holes in the block off plate to relieve excess pressure. Surely someone has had this problem with all the heater removals.

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66 912 Coupe
84 Carrera Cab Hardtop HC3.4 Hyper Carrera
2005 Dodge Magnum 5.7 HEMI
Cabriolet Racing And Performance C.R.A.P. Gruppe #1
Put on some C.R.A.P. and drive....
Old 12-07-2008, 02:00 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #3 (permalink)
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