TRExp

TR2 & TR3 Forum

TR3 fan hub

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colsen clarke olsen
spencertown, NY, USA   USA
I am reassembling a '56 with a TR4a motor. When I put in the radiator, it contacts the fan. I substituted a plastic Spitfire fan, but still no clearance.
Why is the fan hub 5" long - it could be 2" shorter? Is there a shorter fan hub available?

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Jacad Avatar
Jacad Gold Member Barry Shefner
Montreal, QC, Canada   CAN
1959 Triumph TR3A "Loose Wheels"
1976 Triumph TR6 "The Tweetster"
Clarke the TR3 fan hub is about 4" long vs about 5" for the TR4 fan hub. You likely have the TR4 hub on which is why it is contacting the back of the rad.http://www.triumphexp.com/phorum/read.php?6,726308



Barry
59 TR3A 0TS57675LO - "Loose Wheels"
76 TR6 CF54266U - "The Tweetster"
Website: Triumph TR2-TR3-TR4 www.trtriumph.com/ (sorry for not keeping it current for the past couple of years)

TR3driver Randall Y
Confusion, Los Angeles, USA   USA
The TR3, TR4 and TR4A all used different fan extensions; the TR3/A extension is only 3-3/4" or so from face to face.
(Photo I think was from Geo Hahn)



Randall
56 TR3 TS13571L daily driver
71 Stag LE1473L awaiting engine rebuild
7? Stag awaiting gearbox rebuild



Edited 1 time(s). Last edit at 2017-11-06 02:33 PM by TR3driver.

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Attachments:
TR3-4A fan_extensions.jpg    49.7 KB
TR3-4A fan_extensions.jpg

ArtL Avatar
ArtL Art Liefke
Kings Park, New York, USA   USA
What a great excuse to go with a narrow belt conversion and an electric fan. grinning smiley



Art


Beer is proof that God loves us and wants us to be happy. - Benjamin Franklin

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