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.

Finishing Swap. Where to get adapters?

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Old May 30, 2010 | 10:00 PM
  #1  
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From: Ontario, Canada
Car: 1991 Trans Am GTA
Engine: LSX (swapping)
Transmission: 4L60E (swapping)
Axle/Gears: 2.73 Posi 10 Bolt
Finishing Swap. Where to get adapters?

I am finishing up my swap and ive been looking for various brass fittings and adapters to finish things up. I cannot find anything I need in stores, or online. (Found a couple sites online, none ship to Canada though).

I have been to auto parts stores, hardware and plumbing stores, no luck.

What I need is some kind of adapter to go from the heater hose outlet on the rad to the little 1/4" steam line. I know you guys have done it before, I think BlueZee28 got some fittings from Home Depot, but I found nothing here at Home Depot. I also need 3/8 to 5/16 adapters for the tranny lines going into the rad (rad takes 5/16 fittings, trans takes 3/8). I also need a 3/8 to 1/2 (I believe) barbed adapter to hook up my brake booster. I don't think I can squeeze the 3/8 hose onto the booster.

Any help with these things would be greatly appreciated!
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Old May 30, 2010 | 10:29 PM
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Re: Finishing Swap. Where to get adapters?

For my steam line, I made a Tee from a short length of 3/4" pipe and a section of trans hardline. Itd be simple to make by drilling and tapping a straight union coupler then inserting a 1/4" barb if a welder and scrap tubing isnt available

I used a short length of hardline from the trans and rad to slip the rubber lines over. Overlap is about 4" and I double clamped them. Be sure to use 5/16 trans hose. I mistakenly bought 3/8 the first time and had a small leak

Buy a LS1 booster valve, common parts stores should sell replacements for under $5 or get one from a dealer. Me being cheap, I heated up the stock 3/8 line and shoved it over the LS1 1/2 nipple. Id have to cut it off to remove, but it seals fine
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Old May 31, 2010 | 02:53 PM
  #3  
Shift06's Avatar
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Joined: Aug 2006
Posts: 807
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From: Ontario, Canada
Car: 1991 Trans Am GTA
Engine: LSX (swapping)
Transmission: 4L60E (swapping)
Axle/Gears: 2.73 Posi 10 Bolt
Re: Finishing Swap. Where to get adapters?

Got pics of any of that?
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Old May 31, 2010 | 05:31 PM
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Re: Finishing Swap. Where to get adapters?

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