Thread: Future Aztec L67 swap?

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  1. #21 Re: Future Aztec L67 swap? 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by Bronco Boy View Post
    "Aztek" and "cool" being used in the same conversation. What the hell?
    Haha yeah. Never though I'd say tha either! but hey, my wife likes it and i get to mess with a 3800 and do something new! Lol
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  2. #22 Re: Future Aztec L67 swap? 
    Donating Users Bronco Boy's Avatar
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    Quote Originally Posted by wstefan20 View Post
    Haha yeah. Never though I'd say tha either! but hey, my wife likes it and i get to mess with a 3800 and do something new! Lol
    With that excuse, you best run with it while you can. LOL
    Chris B
    2009 CX-9
    ** SOLD ** 2002 GT
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  3. #23 Re: Future Aztec L67 swap? 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by Bronco Boy View Post
    With that excuse, you best run with it while you can. LOL
    Haha that's why I'm buying the car BEFORE she changes her mind! She hates my gp so hopefully she'll come around on this one.
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  4. #24 Re: Future Aztec L67 swap? 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by Bronco Boy View Post
    "Aztek" and "cool" being used in the same conversation. What the hell?
    I've been toying with the idea of stabbing an L67 in a U-body. I guess my definition of cool is a little unconventional.
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  5. #25 Re: Future Aztec L67 swap? 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    I've been toying with the idea of stabbing an L67 in a U-body. I guess my definition of cool is a little unconventional.
    That also sounds like a fun project to me! There's actually a few people who have done chevy ventures and the like! Good news on that one is that the bcm is the exact same one as in the gp, so you don't have to worry about it not communicating. Kuntzie actually did a montana and all he had to do was swap the fuse box and that was it! No tuning required. Best news of all is that the subframe and suspension is fully compatible with u-body and you can literally drop a L67 struts and all and plop it right in the u-body without fab. Only difference is the power steering rack has a different angle because of the vehicle height, but that's the only difference.
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  6. #26 Re: Future Aztec L67 swap? 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    I've been toying with the idea of stabbing an L67 in a U-body. I guess my definition of cool is a little unconventional.
    Hey! You could totally just sell the 3400 from your current montana build and just swap in a L67!
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  7. #27 Re: Future Aztec L67 swap? 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by wstefan20 View Post
    Hey! You could totally just sell the 3400 from your current montana build and just swap in a L67!
    I'd like to do one in the future. Too many more pressing projects to work on first though.

    Cam and spray the S10
    LS swap the '84 K10
    Rewire the dune buggy
    and on and on.....
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  8. #28 Re: Future Aztec L67 swap? 
    Killa Bee Scottydoggs's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    I'd like to do one in the future. Too many more pressing projects to work on first though.

    Cam and spray the S10
    LS swap the '84 K10
    Rewire the dune buggy
    and on and on.....

    we all tend to forget thats what the ls engine was originally for, that 84 k10 lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  9. #29 Re: Future Aztec L67 swap? 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    I'd like to do one in the future. Too many more pressing projects to work on first though.

    Cam and spray the S10
    LS swap the '84 K10
    Rewire the dune buggy
    and on and on.....
    Wow! Hopefully one day I'll have that many toys to play around with!
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  10. #30 Re: Future Aztec L67 swap? 
    Solving problems BrandonHall10's Avatar
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    Quote Originally Posted by Scottydoggs View Post
    we all tend to forget thats what the ls engine was originally for, that 84 k10 lol
    Ah-ha! But Scotty remembers. Seems like so long ago. Yes, you are correct. That old K10 is what lead me to this place.

    Quote Originally Posted by wstefan20 View Post
    Wow! Hopefully one day I'll have that many toys to play around with!
    All low dollar toys here. No Scrooge McDuck in my family tree. Get wrenching on your project and we'll show you where to save some cash too!
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  11. #31 Re: Future Aztec L67 swap? 
    GTX Level Member wstefan20's Avatar
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    Quote Originally Posted by BrandonHall10 View Post
    Ah-ha! But Scotty remembers. Seems like so long ago. Yes, you are correct. That old K10 is what lead me to this place.



    All low dollar toys here. No Scrooge McDuck in my family tree. Get wrenching on your project and we'll show you where to save some cash too!
    Sounds like a plan to me!

    Bad news is that the seller decided at the last minute to "gift the car to his father in law", so that's a no go, but I'll keep looking....
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  12. #32 Re: Future Aztec L67 swap? 
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    Sorry to bump this from the dead but did this swap go anywhere?
    I think the only thing I havent seen is an L67 behind an AWD trans van.

    The other issues outlined here, ac lines, fuel lines, steering rack, PCM programming are ALL SOLVED since they are an issue for all of the Montana/Venture vans.

    Therefore the class 2 comms lines are not an issue, you can use any L67 harness, its the PCM that defines how the data is sent and you will need a customized harness into teh van either way.

    Simple rules
    - keep the L67 harness mostly intact
    - adapt only the c101 (round grey plug) to match the van connection
    - adapt the c1/c2 plugs near fuse box (Repin) to match the van and use the VAN fuse box (do not use the GTP)
    - keep van steering rack
    - keep van ABS module since it communicates with the BCM
    - upgrade fuel pump from GTP
    - PCM tune needs to be Regal L67 tune, the GTP tune will run and drive but you will lose speedometer, tach, etc due to the data lines.
    - custom AC lines
    - PCM needs VATS off, VIN change

    The only issue I had with the swap is the battery charging light always staying on the dash, and I am working to fix that by using a monte carlo / impala tune. You just need to be careful since transmission wiring is different internally between the years so it is not recommended to use a 2005 Impala L67 tune with a 2000 transmission for example. That was my experiment to turn off the lamp.

    If anyone has any questions, you can reach out on here or on the Facebook W body groups, a lot of us run swapped minivans. Mine has been swapped for over 5 years with 80k+ km on the L67 swap.
    You should be able to swap the L67 into any aztek/rendezvous/minivan.

    All the best,
    -C
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