Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old 12-30-2013, 03:25 PM
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Default Fox Swap Engine Choice

Picked up a 93 Fox Notch last week, has been a dream of mine to own one and swap an LS into it. I am mechanically inclined but I have never done a swap myself, I have trolled on all the write up threads and I get the idea, but I want to make sure I don't make a bad choice....so as far as LS Choices on a budget.....I would pretty much be deciding between an LS1 Aluminum block or LQ9 Iron Block correct? I'm planning on running a boosted set up, street/track car, 6spd. What is the best route to go block wise?

Last edited by dig; 12-30-2013 at 03:26 PM. Reason: pic
Old 12-30-2013, 03:26 PM
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I was trolling in the FS Section and didn't see many long/short blocks for sale, any advice on where to score a good deal?
Old 12-30-2013, 04:35 PM
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Local junkyard 5.3 tough as hell and the dished pistons are perfect for a boosted setup. Or call tms for a forged setup depending on budget
Old 12-31-2013, 10:37 AM
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I think i'm now leaning more towards a EFI 6.0 Set up which will eventually be running a mild blower for street/track fun.
Old 01-01-2014, 08:34 PM
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5.3 can be had for $400 and will definitely hold some boost. If you can afford a 6.0 definitely the route I would go.
Old 01-02-2014, 11:32 PM
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thanks for the info guys, i'm hunting for an 02+ LQ4 short block at the moment, I have a separate build thread I started that will be updated as I make progress.
Old 01-03-2014, 10:54 AM
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My brother in law has a boosted 6.0 in his Fox, was making 750+ on the stock short block before a piston gave way, I have a 4.8 in a fox that I plan on boosting. It all comes down to how much $ u want to spend. $1500+ for a 6.0 or 400-500 for a 4.8-5.3. best part is, if you build it with a 4.8-5.3, you can swap long blocks later, thats my plan, all dimensions are the same.
Old 01-03-2014, 12:47 PM
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Originally Posted by 5.3Notch
My brother in law has a boosted 6.0 in his Fox, was making 750+ on the stock short block before a piston gave way, I have a 4.8 in a fox that I plan on boosting. It all comes down to how much $ u want to spend. $1500+ for a 6.0 or 400-500 for a 4.8-5.3. best part is, if you build it with a 4.8-5.3, you can swap long blocks later, thats my plan, all dimensions are the same.
Thanks for the info, my plan is to be running around 600whp on a safe tune on the stock bottom end, I have heard stories about the rod bolts so those will be the only upgrade I do.
Old 01-03-2014, 01:22 PM
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and that can be done just as easily and cheaper on a 5.3 than a 6.0. Unless you are wanting to just throw money away and say I HAVE A 6.0!!

Listen to what info is being given. Not to be insulting but get the 6.0 fever out of your head.

they are good engines, but so are the 4.8 and 5.3 engines that will do exactly what you are wanting to for way less money, and for the most part they are just as durable and will hold up just as well, not to mention more readily available.

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Old 01-03-2014, 02:10 PM
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Originally Posted by BigEd_72455
and that can be done just as easily and cheaper on a 5.3 than a 6.0. Unless you are wanting to just throw money away and say I HAVE A 6.0!!

Listen to what info is being given. Not to be insulting but get the 6.0 fever out of your head.

they are good engines, but so are the 4.8 and 5.3 engines that will do exactly what you are wanting to for way less money, and for the most part they are just as durable and will hold up just as well, not to mention more readily available.
School me on 5.3 blocks, I'm assuming this is an LS Series block? Any one in particular I should be looking for to be cost effective? How much will stock bottom end handle safely?
Old 01-03-2014, 02:12 PM
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LM7 5.3
iron block, aluminum heads

they popped 1400+ out of a bone stock 4.8 on a turbo setup a couple years back trying to test for durability.

do a search here for 5.3 builds.

for 600 hp, the stock intakes should handle that much. but for giggles you could put a victor jr efi with intake elbow and 90mm throttle body, 80 pound injectors, good tune and 18 psi max turbo setup should put you above 600 hp all day every day.
Old 01-03-2014, 02:42 PM
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6.0 is my first choice . but I've made good power with the 5.3's and 4.8's . either one will work fine in stock trim.
Old 01-03-2014, 03:23 PM
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So now moving on to another question.....

Is this swap not for the faint of heart? I have a basic garage with basic tools nothing fancy, I have never performed a swap or made heavy modifications to a vehicle, but i'm mechanically inclined and patient. Am I just getting myself into trouble trying to do this in my garage?
Old 01-03-2014, 03:44 PM
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No there are plenty of us that have done this same swap in our garages
Old 01-03-2014, 03:46 PM
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Thanks for all the input everyone, i'm now looking around at 5.3's and locally they are all over the place, once I purchase I will update my build thread and start asking about head/cam choices. Feel free to look up the build thread
Old 01-03-2014, 04:50 PM
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**** man, you are lucky with a garage!!

I did it in my back yard literally with a come-along and a flatbedders strap from a big rig flat bed!! I had a 15 gallon air compressor and a 3 drawer craftsman hand tool set, with minor stuff like sawzall and cutoff wheel.. And I got mine done..
Old 01-03-2014, 04:57 PM
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I will tell you this much, until you are COMPLETELY done with the swap, DO NOT CUT a single wire from the original harness. Unhook, disconnect, and unbolt everything and save the harness until you know for certain you wont need any of it.

OK??
Old 01-03-2014, 05:28 PM
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Sounds like that is from experience lol care to elaborate on which wires will be needed??
Old 01-03-2014, 06:41 PM
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On my S-10, yes its from experience. I cut the main harness when I could have used some of the original engine's connections to make dash gauges work properly.
Old 01-03-2014, 07:21 PM
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Originally Posted by BigEd_72455
I will tell you this much, until you are COMPLETELY done with the swap, DO NOT CUT a single wire from the original harness. Unhook, disconnect, and unbolt everything and save the harness until you know for certain you wont need any of it.

OK??
Oh yeah, I forgot to tell you, label the connections as you disconnect them.


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