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Dale Holan
TryHard
Alberta
2.5 GTT L

Posts: 360
Reg: 06-2007

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Sunday, January 10, 2010 - 06:34 am, by:  Dale Holan (Xtrax) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

If in the future I want to convert to electric fans would I still be able to use the stock water pump and just remove the fan?
Grant Rowan
TryHard
QLD
jzz30 GT3582r

Posts: 484
Reg: 02-2006

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Sunday, January 10, 2010 - 07:48 am, by:  Grant Rowan (Booster13psi) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Just remove the blades.
Dale Holan
TryHard
Alberta
2.5 GTT L

Posts: 361
Reg: 06-2007

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Sunday, January 10, 2010 - 10:06 am, by:  Dale Holan (Xtrax) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

remove the blades but leave the hydro doohicky on? or can I take it right back to the pulley?
James Wilson
TryHard
sa
TT

Posts: 111
Reg: 10-2008

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Sunday, January 10, 2010 - 12:14 pm, by:  James Wilson (Ser493) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Hi Dale,

I'm not sure about any one else on here but I have only heard negative things about running thermos in soarers. I am sure that loads of people do but lots of guys I know have issues. The most common one is overheating at high speed?? Go figure. A mate of mine has messed around for ages trying to get the system right and it looks like he will be going back to the factory fan and shroud - I don't think any thing will simulate properly the factory fitted fan plus there are a lot of really high powered 1jz's out there that still retain the factory fan. Any way it will be interesting to see if any one on this forum has switched to thermo's and loved it. Like I said I am sure there are people who have converted and never looked back.
James Wilson
TryHard
sa
TT

Posts: 112
Reg: 10-2008

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Sunday, January 10, 2010 - 12:16 pm, by:  James Wilson (Ser493) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

If you are going to do it take off the whole fan and just bolt up the pulley with different studs if you have to.
James Wilson
TryHard
sa
TT

Posts: 114
Reg: 10-2008

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Sunday, January 10, 2010 - 12:45 pm, by:  James Wilson (Ser493) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I don't think the factory water pump will be an issue either, the issue lies more with air moving through the radiator when at high speeds.
Dale Holan
TryHard
Alberta
2.5 GTT L

Posts: 362
Reg: 06-2007

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Monday, January 11, 2010 - 03:11 am, by:  Dale Holan (Xtrax) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks for responding. I've heard similar things James, and really I think climate may have a lot to do with it as well.

The stud/pulley thing was my main concern, I thought that the lack of load on the pump may cause some problems.
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 5070
Reg: 10-2005

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Monday, January 11, 2010 - 06:18 am, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I've been running a 16" thermo fan for 3 weeks now with no problems. Of course a N/A engine doesn't produce the same under bonnet temps as a turbo, and the hottest day we have had here has been around 30.

I removed the fan (which had broken) and the hydro couple, and removed the four studs, then replaced the studs with 30mm high tensile bolts to hold the pulley onto the water pump. The studs are too long otherwise.
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 5743
Reg: 03-2006

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Monday, January 11, 2010 - 07:12 am, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Dale, plenty of guys in AUS have had nothing but issues when trying to run thermo setups . Always resort going back to factory setup .
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 5074
Reg: 10-2005

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Tuesday, January 12, 2010 - 06:01 am, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

They are always going to be less reliable and provide less cooling than the factory setup, which is really very good.
Ben Lipman
Goo Roo
NSW
Soarer TT manual, plus TT track car

Posts: 1877
Reg: 04-2006

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Wednesday, January 13, 2010 - 09:17 am, by:  Ben Lipman (Ben12a) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

In my OPINION, the main reason that most on SC do not like the thermo fans on Soarers is due to the fact the factory setup is quite well designed and very efficient with enough head room to cope with common engine modifications. This opinion was reinforced by my local,reliable NATRAD man when I consulted him on cooling needs for the track car. (He said the [well maintained] factory system will cope with track work- only consideration was any possible weight savings, but this went against my cost savings requirements)

On a lot of cars from the same era there is plenty of scope to improve the cooling system. For example, on my older Rx-7 needed a thermo setup as the factory fan could not cope with the addition of a turbo and extra heat.

It is possible to come up with a good thermo fan setup for your soarer. Plenty of newer cars have them as OEM fitment. If you consider going down this route I would look at some decent late model systems for inspiration on ducting, sizing etc. Slapping on a pair of Davies-Craig 10s no longer cuts it and will not be an improvement.
Matthew Sharpe
Goo Roo
North Island
JZZ31

Posts: 5083
Reg: 10-2005

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Thursday, January 14, 2010 - 06:38 am, by:  Matthew Sharpe (Madmatt) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Yeah, I would have kept mine factory but I couldn't find a set of blades to replace the broken ones anywhere on short notice ($340 ex Japan), and I had to have the car for the holidays, so it was a last resort move.

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