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Saturn LS4 V8 Sleeper Project

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Old Feb 28, 2016 | 07:05 PM
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Default Saturn LS4 V8 Sleeper Project

I have been working on this project for awhile now, so I figure it is time to make a thread for the project. As you know, 99% of all s-series engine swap ideas never come to fruition, but this is actually happening. I'm honestly not sure what possessed me to want to do such a crazy project, but a lot of people doubted me. I did get a lot of influence from seeing the LS4 fiero swap Fieroguru (LS1tech and fiero forums) did as somewhat of a direction for the swap.

Pictures and progress will follow.
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Old Feb 28, 2016 | 07:09 PM
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Old Feb 28, 2016 | 07:27 PM
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This looks like a potential screamer, I'll be watching this one. You'd likely get more interest in the Conversions and Hybrids section of the forum.
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Old Feb 28, 2016 | 10:41 PM
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This is awesome. I daily a 96 SL2 and am currently building an LSx boosted C10. Sometimes I wish I had more power in the little car... and I do have a spare LS sitting around. You're a bad influence on my wallet
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Old Feb 29, 2016 | 03:50 AM
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Thanks guys!

Here's some more pictures:

Getting the serpentine belt ran. I probably could use another ribbed idler.

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Running the exhaust was pretty tricky on this car and running dual exhaust like I did is practically a miracle.

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Driver side pipe (must not have taken a picture of passenger side. oops)

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Showing how the exhaust goes under the oil pan (still more clearance than stock)

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The mufflers are tucked up under the bumper to hide the fact that it has a dual exhaust on it.

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Here it is with full exhaust, test wiring (some stuff needs to get hooked up yet...) It runs.

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Yes, the hood fits too!

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Last edited by Sean R; Feb 29, 2016 at 04:03 AM.
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Old Mar 1, 2016 | 08:51 PM
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Amazing! I miss my 95 SL2 like crazy and am blown away by what you have done. Keep up the good work!
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Old Mar 1, 2016 | 10:18 PM
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This car will have people looking around in traffic and wondering where that V8 rumble is coming from. I see many confused people in your future
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Old Mar 1, 2016 | 11:14 PM
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Very cool! What trans are you using in that?
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Old Sep 8, 2016 | 09:07 PM
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Update: It drives.

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Old Sep 8, 2016 | 09:40 PM
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cool, thanks for sharing the detail pictures
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Old Sep 10, 2016 | 07:44 PM
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I've been hoping that someone would do a swap like this. Very cool!
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