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Just like the title says, I need to know if I can replace these hoses with regular 5/8th's heater hose, or do I need to get new molded ones from Toyota?
 

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I Love Lamp...
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Your everyday 5/8 heater hose will fold at some bends. Thats why the hoses are molded.
 

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or you could run a hose straight across and not use the metal tube.
 

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is it the coupler between the 3000 pipe and TB?
 

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Ludicrous speed! GO!
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I've done it using 5/8ths. it works and doesn't pinch the hose. You'll be fine.
 

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I used regular heater hose, as well. Be sure you get extra and start with it too long. You can always cut more off and sometimes leaving some slack in it will keep it from crimping. I have a piece of hose around the hose on the intake side to keep it from crimping.
 

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DeanMarcum said:
Or do it the clean way using the coupler from a Cressida:



It was in stock at Toyota when I got it.
Do you have a part number and price? Thank you.
 

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yeah thats me!
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i used that before and on my setup i had some issues with the ISC seeing higher pressure air,
when i went back to a stock setup the ISC didnt have ant issues, but if its working for you congrats.
 

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I ran a hose straight across and removed the metal tube. it works fine.
 

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wh0wants2know said:
I ran a hose straight across and removed the metal tube. it works fine.
The hoses lead to the ISC motor, which in reality the isc motor will still work fine with no hose on it as long as it gets air. Regardless the ones from Toyota are cheap, I bought one of them a couple months ago.

http://www.supraforums.com/forum/showthread.php?t=364978

There's the thread I posted in Elmhurst asking Curt about it, so you can have one of the part numbers.
 

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DeanMarcum said:
No part number but IIRC it was about $25 shipped.
Not sure how to ask for it when I goto parts. How did you ask for it? Thanks.
 

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DeanMarcum said:
I just asked for the throttle body coupling hose for a 1991 Cressida.
Thanks man!
 

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I found all those fitted hoses by the turbo at Oreilly auto parts, went to their back wall and started looking for pieces that had the same bends, doens't matter if the ends are longer, you can cut em.

Was cheaper than I was quoted from my local dealer (but we all know about most dealers...)
 

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betcha they're hard as a rock and leaking...
 
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