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Hey guys. So I'm in the process of installing a March serpentine kit on the 302, and it requires a reverse flow water pump. Thats no big deal, but I'm in need of a solid answer as to if there is a dedicated timing cover for the reverse flow? Typing this out I'm realizing that there probably is, but some confirmation would be awesome! Thanks in advance
A 5.0L OEM Serpentine FEAD requires both reverse rotation pump and cover unless it is an aftermarket kit and then of course you go by their instructions.
Besides those spots for the sensors and absence of a fuel pump mounting spot, what is the difference between the reverse flow cover and the regular flow cover? From the pictures I am not seeing any. I would think a small redesign of the impeller and the reverse pump would fit right where the regular pump goes?
I believe I would call March. I personally would not use a serpentine setup if I had a choice. I would rather have the v-belt setup.
Besides those spots for the sensors and absence of a fuel pump mounting spot, what is the difference between the reverse flow cover and the regular flow cover? From the pictures I am not seeing any. I would think a small redesign of the impeller and the reverse pump would fit right where the regular pump goes?
I believe I would call March. I personally would not use a serpentine setup if I had a choice. I would rather have the v-belt setup.
HUGE functional difference between standard and reverse rotation covers, although it is a little subtle and might not be obvious in a picture (and often a catalog will only have pictures of one and use it for both). With the outside of the serp belt (instead of the inside of a V-belt) driving the water pump pulley, the water pump turns the opposite direction. So the impeller needs to have the vanes curved in the opposite direction, and the coolant passages that curve away from the impeller discharge need to be curved the opposite way.
HUGE functional difference between standard and reverse rotation covers, although it is a little subtle and might not be obvious in a picture (and often a catalog will only have pictures of one and use it for both). With the outside of the serp belt (instead of the inside of a V-belt) driving the water pump pulley, the water pump turns the opposite direction. So the impeller needs to have the vanes curved in the opposite direction, and the coolant passages that curve away from the impeller discharge need to be curved the opposite way.
Re-read what you just said. I don't know anything about it but everything I believe you said is different is with the pump, not the cover.
HUGE functional difference between standard and reverse rotation covers, although it is a little subtle and might not be obvious in a picture (and often a catalog will only have pictures of one and use it for both).
With the outside of the serp belt (instead of the inside of a V-belt) driving the water pump pulley, the water pump turns the opposite direction. So the impeller needs to have the vanes curved in the opposite direction, and the coolant passages that curve away from the impeller discharge need to be curved the opposite way.
Originally Posted by Franklin2
Re-read what you just said. I don't know anything about it but everything I believe you said is different is with the pump, not the cover.
I don't disagree at all. I will repeat I do not know much about it, but he gave a description of what was different, and everything he described was something to do with the pump, not the timing cover. So why wouldn't a reverse rotation waterpump fit a regular rotation cover? It may indeed not fit, but I haven't seen or heard about the smoking gun yet.
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