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Old 12-12-2012, 11:18 PM   #1 (permalink)
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Building an LS1 Sky RL

It's been a while since I've posted on here mostly because I have been neglecting my RL in lieu of other daily cars. Unfortunately, (or fortunately) I'm really drawn to the Sky and now have decided to dump more money into it and decided to do something interesting and different. I noticed videos on YouTube and followed a build on the Sol forum of an LS1 being dropped into a Solstice. This sparked my interest because as far as I understood LS2's or higher were preferred swaps due to ECU compatibility. Now, for the sake of argument let's say someone is absolutely sold on putting an LS1 or the older 5.3 engines what would be the reasons that one should consider to avoid going this route. I'm choosing to go this route because these engines can be had for a decent price and the aftermarket life for these engines is massive compared to the Sky. I would like to have an N/A LS1 with a T-56 in the Sky. It has nothing to do with more power (so please no arguments of well if you upgrade this or upgrade that your Sky will outperform an LS1). I'm hopefully looking for knowledgeable responses in regards to a list of parts, custom or otherwise needed to make this work. As well as constructive criticism as to why I should not put an LS1 and go with an LS2 aside from the obvious performance differences.
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Old 12-13-2012, 07:50 AM   #2 (permalink)
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other than going to a stand alone engine management & wiring, there is no reason not to do an older 5.3/LS1

However many opt to go for the ls3 due to the ecu compatibility as well as the lighter aluminum block.

A good stand alone will set you back a few thousand bucks and you will have a lot of wiring changes as well as a custom harness needing to be made. Take it from me, getting good wiring work done is not cheap nor easy.

As long as you are proficient in making a wire harness, there is no limit to what motor you can throw in there. If i ever swap a sky, I will be going the 2jz route, however the LS has a ton of options as well.


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Old 12-13-2012, 10:55 AM   #3 (permalink)
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Interesting

There are available off the shelf hardware and software solutions for LS2 and LS3 in the Kappa platform.

Check with LS2 Edit to see if he has similar available code for the LS1. If so then you can do your own install and still maintain compatibility with your current vehicle electronics.

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Old 12-15-2012, 12:36 AM   #4 (permalink)
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I will be going the 2jz route
You think the 2JZ would fit in one of these?? Isn't it a longer block than the v8s people have been swapping in? Those look like a pretty tight fit front to back. I'd be willing to try that route myself!! Like seriously!
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Old 12-15-2012, 12:40 AM   #5 (permalink)
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The LS is a tight fit length wise.
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Old 12-15-2012, 01:19 AM   #6 (permalink)
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awe dang, now you got me thinking. I've found one site where a person claims the length of the 2JZ-GTE is 34 inches. The LS2 is 27.5. 6.5 inches is a lot of engine. I'm betting it won't fit.
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Old 12-15-2012, 09:27 AM   #7 (permalink)
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You think the 2JZ would fit in one of these?? Isn't it a longer block than the v8s people have been swapping in? Those look like a pretty tight fit front to back. I'd be willing to try that route myself!! Like seriously!
Been done (in a Sol)... 2JZ Solstice Swap - Pontiac Solstice Forum
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Old 12-15-2012, 11:15 PM   #8 (permalink)
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What a long thread. Looks sweet. I didn't read the whole thread so I didn't see how they overcame the fitment issues in the front.
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Old 12-17-2012, 09:06 AM   #9 (permalink)
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What a long thread. Looks sweet. I didn't read the whole thread so I didn't see how they overcame the fitment issues in the front.
He had a custom intercooler pipe setup and had an intake mani built. Most good fab guys could make this work. Last I heard he was going to a built bottom end and going to try to run the mile in texas.

It will totally fit. And it has yet to be done in a sky. Plus the ample aftermarket makes it so its not even that bad of a swap. Also it bolts up to the Stock trans in the sky, which is awesome!


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Old 12-17-2012, 12:19 PM   #10 (permalink)
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I wonder what the weight difference is?
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Old 12-17-2012, 02:46 PM   #11 (permalink)
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its lighter than an LS2 for sure. I have a 2jz on the stand, but I dont really have anything good to weight it with.

And who cares. The sound is totally worth it.
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Old 12-17-2012, 03:10 PM   #12 (permalink)
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This is the before and after weight of a Sol I know of with an LS3 conversion. Difference between the stock and LS3 is 151 Lbs.


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