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Toyota flaw with 7mgte and cooling and pump

 
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SuperRunnerOffline
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PostPosted: Tue Oct 12, 2004 8:37 am    Post subject: Toyota flaw with 7mgte and cooling and pump Reply with quote

I have discovered that toyota didn't design the cooling system very well on the 7MGTE. On the supra, the radiator is mounted blow the motor, on a pickup, the radiator is mounted above. Not too big of a problem if it is just slightly above, you still get proper cooling. What I have found out, is that you cannot do a bed mounted radiator without the aid of an electric water pump. The pressure required to pump water that far and that high is not enough.

The water has two paths it can take. Through the block, and when the thermostat opens, it can(doesn't have to) flow to the radiator. Guess I either have to put my rad up fron, or get an inline electric water pump.
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Last edited by SuperRunner on Tue Aug 23, 2005 5:08 pm; edited 1 time in total
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AARONROffline
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Joined: 24 Jun 2004
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Location: SD, CA
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PostPosted: Tue Nov 02, 2004 1:17 pm    Post subject: Reply with quote

I heard that you can use a newer model (mkiv) water pump and it will be sufficient enough to pump water to a bed mounted radiator. Might be worth a try.
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Last edited by AARONR on Thu Feb 17, 2011 11:24 pm; edited 1 time in total
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SuperRunnerOffline
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PostPosted: Tue Nov 02, 2004 1:20 pm    Post subject: Reply with quote

I don't think it would bolt on. I can give it a try, but I don't think it will work. I will check it out during lunch. I have an MKIV pump.
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AdamOffline
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PostPosted: Fri Nov 18, 2005 11:13 am    Post subject: Reply with quote

Any word on whether this fits?
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SuperRunnerOffline
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PostPosted: Fri Nov 18, 2005 11:17 am    Post subject: Reply with quote

oh, I forgot about this. I will probably know in a month or so.
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aussiepeteOffline
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PostPosted: Tue Mar 21, 2006 1:52 am    Post subject: Reply with quote

was talking to a guy that owns a radiator and machinery works he specially modifys water pumps with his own design impellers that pump huge amounts of pressure in comparison to most stock pumps.i had a chance to sneak a look at how he designs them and from what i could see of the actual custom pump impeller was that it was similar to one youd find connected to your house pump(if you guys use tankwater for your homes).at the moment he only does them to order but if theres a call for it for it i know he can make a few at a time and the cost would be reasonable.if anyones interested let me know and ill try to sneak some pictures.
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SuperRunnerOffline
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PostPosted: Tue Mar 21, 2006 9:36 am    Post subject: Reply with quote

yeah, I wouldnt mind seeing some pictures. I was thinking of modifying my stock pump to flow with a little more pressure behind it.
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