LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

just got lt1 swapped 91 rs

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Old Jun 1, 2010 | 04:08 PM
  #51  
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Re: just got lt1 swapped 91 rs

i have a manual temp gauge im just waiting on my gauge pod to come so i can install it
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Old Jun 1, 2010 | 05:49 PM
  #52  
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: just got lt1 swapped 91 rs

Originally Posted by 3rdgenlt1
ok i will rerout that to the factory location, on drivers side radiator hose what does the smaller hose that branches off usually go to?
On the camaros it went to the oil cooler, but on the cars without it, it goes to the lower connection on the radiator at the bottom.
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Old Jun 1, 2010 | 09:30 PM
  #53  
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Re: just got lt1 swapped 91 rs

right now the open end of that little hose is facing the firewall with the steam lines hooked to it, so could i just flip it around?
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Old Jun 1, 2010 | 09:33 PM
  #54  
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Re: just got lt1 swapped 91 rs

and hook it to the bottom fitting on the drivers side of the radiator. anyone know where i could find a good diagram of how the stock lt1 cooling system flows and works, where the hoses go ect? im beggining to think part of my problem might be misrouted hoses
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Old Jun 1, 2010 | 11:57 PM
  #55  
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Re: just got lt1 swapped 91 rs

http://shbox.com/1/93-94_hoses.jpg this link has a pretty good diagram
im gonna change as much of it as i can back to they way it would have been on a 4th gen. so on my lt1 what is the piece that the smaller hose coming off the driver side coolant hose attaches to?
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Old Jun 2, 2010 | 05:37 AM
  #56  
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: just got lt1 swapped 91 rs

When I get home this afternoon, I'll take pictures of mine to show you how they're hooked up.
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Old Jun 2, 2010 | 09:49 AM
  #57  
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Re: just got lt1 swapped 91 rs

ok thanks alot
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Old Jun 3, 2010 | 07:04 PM
  #58  
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Re: just got lt1 swapped 91 rs

any update on where that hose goes, ive been looking at the car but cant figure it out
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Old Jun 3, 2010 | 10:11 PM
  #59  
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Re: just got lt1 swapped 91 rs

so by looking at this diagram http://shbox.com/1/heater_hoses_93-94.jpg and comparing it with this http://shbox.com/1/93-94_hoses.jpg it looks like the smaller hose coming off the driver side radiator hose goes to the throttle body where it then goes to the returning heater hose? does this seem right? i drive past like 8 used car dealerships on the way to work i will leave early tommorow and see if i can get a look under a 4th gen hood. maybe a test drive if it lucky
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Old Jun 5, 2010 | 04:06 PM
  #60  
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: just got lt1 swapped 91 rs

Sorry about not getting these quicker, but here are the hookups





Attached Thumbnails just got lt1 swapped 91 rs-photo.jpg   just got lt1 swapped 91 rs-photo-2.jpg   just got lt1 swapped 91 rs-photo-3.jpg  
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Old Jun 5, 2010 | 04:07 PM
  #61  
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: just got lt1 swapped 91 rs

Top photo is the connection on the driver side of the waterpump, goes to the bottom connection on the radiator, middle is the line coming from the steam line off of the heads and the third is where it connects to the radiator.
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Old Jun 6, 2010 | 04:37 PM
  #62  
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Re: just got lt1 swapped 91 rs

ok so this weekend got alot done on the car. changed plugs and tested compression numbers were between 181 and 190 on all cyl so i dont think i have any problem with headgaskets or anything. actually seem like really good numbers. got the steam lines connected to their proper places. and it does run a little cooler, however the place on the drivers side of the waterpump is plugged with a brass plug it looks like. what to do about this? ill take a picture when i get home
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Old Jun 6, 2010 | 04:39 PM
  #63  
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Re: just got lt1 swapped 91 rs

also now the temp sometimes bounces up and down, while driving down the road
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Old Jun 8, 2010 | 08:14 PM
  #64  
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Re: just got lt1 swapped 91 rs

well thanks klortho and eveybody else who helped, after i got my steam lines hooked up right the temp came down some, to just under 220 on the sotck gauge. however my gauge pod came yesterday (thanks norcalz28) and i put in my temperature gauge. whadda ya know the temp wonlt go over 195. so anyways seems like the problem is solved. however a big new problem reared its ugly head, so i will have to post a new thread for that
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