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Which Way Do Radiator Fan Blades Face On R32 Gtst?

cogs

By cogs,
in General Maintenance

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cogs Experienced

cogs

Posted
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Left: Fan taken out of my R32 gtst, has 8 blades.

Right: 'R32 gtst' fan I ordered, has 9 blades. Blades face opposite direction to my current fan.

Just wanna know which one is the right one? As fan I took outta car is fine so if it's the right one I can just put it back in.

post-17500-1275530653_thumb.jpg

jiffo Mentor

jiffo

Posted
Posted
But surely rb25 and rb20 cranks turn the same way? the 9 blade fan i have has blades facing the opposite way to the 8 blade version that was in my car.

Both those fans are clockwise (right hand) fans.

Flipping over a fan (or prop) does not alter its rotation, that's built into the shape.

What it does though is alter the leading/trailing edge of the foil on each blade.

I don't have an R33 here to check, but that's your easiest way to be sure the fan you just bought wasn't bolted onto the clutch back to front.

PUDZ 32R Enthusiast

PUDZ 32R

Posted
Posted

as far as i know everyu engine on the planet turns the same way. ie clockwise when looking at it from the front.

both fans will work fine provided you make sure the offset is not going to make the blades too close to the radiator or when your fan clutch engages you will find a nice fan shaped hole cut into the radiator.

the one with swept forward blades (left one) is R32 and will be noisier as it "bites" into the air from the outside leading edge.

the other one has swept back blades to reduce noise however noise shouldnt be a problem on either fan if your clutch is working properly.

hope this helps.

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