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Thread: Swapping heads

  1. #1
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Okay, I learned the hard way today. When doing a head swap on an aluminum engine be sure to blow all the water out of the bolt holes. If you do not get ALL the water out of the holes you will have a hard time getting the bolts in the holes and run all the way down to the bottom. What happens is the bolt acts like a piston in a cylinder. If you keep cranking on it you can actually crack the block with the hydraulic pressure you will create. The bitch of what happened on mine is that it was the first bolt I started wrenching in at the front passenger exhaust side. That part of the block is thin around the bolt. I didn't even have to wrench hard to shatter a chunk of the block out. A couple holes down the way I notice a bolt didn't want to thread in so I notched an old bolt to clean the threads. When I threaded it in the bolt came back out wet. This might prove to be an expensive lesson learned. Oh well, LS2 6.0L short block might come sooner than expected.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  2. #2
    Join Date
    Feb 2005
    Location
    Austin, Texas
    Posts
    2,053
    Where can you get the ls2 from im going to do the 6L swap soon and need to explore all avenues before i make a decision.

    Later, Cody
    2007 CCSB Z71 VortecMax: Stock!

  3. #3
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Salvage yards, Ebay, engine remanufacturers, www.SDPC2000.com, Fred Beans Chevrolet... limitless. Most big cities have a company that will be the major player in reman and take-out engines. You may have to ask around to find them but they are always around. There is supposed to be one in Dallas/Ft.Worth that gets all the almost new engines and transmission. I am still looking for them. It's kind of like factory radios and keyless entry remotes, there are companies that have contracts with salvage yards to buy all radios and remotes from every car that comes in their lot, working or not. They take them out as soon as the car comes into the yard.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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