LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

160* stat... worth the install?

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Old Apr 17, 2003 | 09:01 PM
  #1  
Euclid's Avatar
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160* stat... worth the install?

I have a 160* thermostat sitting in a cup on my counter and was wondering if it was worth the labor to install it?
Is it worth my time to pull off and put back on that damn intake elbow?
Old Apr 17, 2003 | 09:03 PM
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Bryan Smith's Avatar
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YES My temp never goes higher than the first line now. (thats with fans on all the time)
Old Apr 17, 2003 | 10:52 PM
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I just swapped my 160 back in for the summer. Took all of 10 minutes. I do have a 1LE elbow, though.

I do it this way:

Really, you don't have to drain the coolant to replace the thermostat. Do this when the engine is cool (like after sitting overnight or for several hours where there is no residual pressure in the system).
You will have to remove the intake elbow. Stuff absorbent rags or towels all around the thermostat housing to catch any coolant when you take the housing loose. Not a lot will come out. Just keep it off your optispark. Swap the thermostats and put the housing back on. Don't overtighten the bolts, they can break. No gasket or sealant is needed other than the rubber o-ring that is on the thermostat, itself. Put everything back together and put whatever amount of coolant you lost back into the remote reservoir. After a few thermocycles, the system will pull in any coolant lost from the reservoir. Idle the engine and monitor the temp. If the temp goes abnormally high, you may have an air pocket. Open the bleeder screws after the thermostat is open to remove any air. Only a stream of coolant will come out when all air is gone and there will be no spitting or hissing. Close screws and monitor the temp.
Old Apr 17, 2003 | 10:58 PM
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Go

Thankyou, thankyou, thankyou......I was just gonna start a thread on how to install my 160 from hypertech. Shoebox you are the shiznit!!!! I was thinking i was gonna need some sort of a gasket or something........but i guess not.
________
Hotrose

Last edited by MarkyMark; Sep 14, 2011 at 12:28 PM.
Old Apr 17, 2003 | 11:29 PM
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Euclid's Avatar
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Yeah,

I have the stock intake elbow and a moroso CAI...
it's HELL!
Old Apr 18, 2003 | 12:26 AM
  #6  
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takes about 15 mins and it helps a little, but on a hot summer day or idling at a light here around Houston it will still run about 200 or so, the fan switch or homemade version fan mod will help tremendously.
Old Apr 18, 2003 | 12:35 AM
  #7  
Euclid's Avatar
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linkage on how to make the home-made version?
Old Apr 18, 2003 | 11:29 AM
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u'd have to program your computer for the 160 stat yes?
Old Apr 18, 2003 | 11:35 AM
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Bryan Smith's Avatar
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Originally posted by Terran2k
u'd have to program your computer for the 160 stat yes?
Yes program fans to come on at 160F temp.

BTW: you guys think you have it bad replacing your intake elblow - at least yours flex

http://images.cardomain.com/member_i...61_69_full.jpg
Old Apr 18, 2003 | 11:45 AM
  #10  
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Originally posted by Euclid
linkage on how to make the home-made version?
well this is for the ODBII, not sure what year you have:

Here is a good descriptive step-by-step
http://users.oco.net/xero/fanmod/

you'll also have to do this to keep from tripping the SES. There are (3) 47 ohm 1watt resistors you have to add.
http://csce.uark.edu/~jgbertr/rb/fan_sw_diagram2.jpg

cost me $20.00 for solder, shrinkwrap, etc. Just time consuming doing the soldering.
Old Apr 18, 2003 | 11:47 AM
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head down my way one day I'll help you do it if you like.
Old Apr 18, 2003 | 11:54 AM
  #12  
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It's a 10 minute install & well worth it!
Old Apr 18, 2003 | 12:07 PM
  #13  
White Z 4 Show's Avatar
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From: Roanoke, VA
is it worth the time? you will love it.

160 thermostat helps the life of your engine by keeping it a little cooler. If you notice how fast your gas goes when your engine temp is HOT (230+), this will help a lot.

Personally I think the manual fan switch is amazing. It NEVER goes over like 200-210 even on 80 degree days here in VA. I did it myself and cost of parts is like $5 and installation took under 20 minutes.

You find the relays in the engine fuse box (two white wires (ONLY two white wires I saw) that lead to your fans). I hooked up one wire that connected both. Then did a "Y" setup with one end going to my switch in my console. Ran the power and ground wires from the switch and just that easy, I was done.

4 foot of wire=$3
LED Switch=$3
Total=$6
Results=$Priceless
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