1999 Porsche 911 with LS1 V8 Swap on Craigslist for $25,000

This car is definitely not for Porsche purists, who want to match the serial numbers of all the bolts that hold the car together. It’s a 1999 Porsche 911 Carrera 2 (996 generation) that has had its trademark 3.4-liter boxer-six engine ripped out, and replaced with a GM LS1 V8.

This is not a new idea, and proof of this is the common Renegade Hybrids kit it uses that contains engine mounts and other necessary bits to make the swap operation more straightforward.

It’s up on Craigslist, going for $25,000 in San Diego, California, and the seller says the main incentive for going to all the trouble of putting a new engine in it was reliability. The original six-pot the car came with, model M96, is apparently prone to suffering any number of failures, the most common of which is the intermediate shaft (bearing) failure, while the LS1 motor, which runs an LS6 oil pump, an LS3 water pump and LS2 timing chain, will have far fewer such worries and cheaper fixes.

According to the seller, there’s no bad news associated with it as it’s lighter (we can’t vouch for that claim) and is said to make around 100 lb-ft / 135 Nm and 50 hp more than stock. Two notable downsides mentioned are the loss of the air-con and power steering.

Exterior modifications give this car a unique feel, in particular the wider body panels from the period Turbo, the lower stance and more pronounced camber (courtesy of a K-sport coilover kit) finished off by tasteful factory Turbo wheels. The owner rates the overall state as an eight out of ten “for its age,” so it may possibly need some minor jobs done,

Whatever you think of this swap job, there’s no denying it’s a conversation starter, and if you explain the reasoning behind it, chances are that even those who might have opposed it at first will sway your way.

By Andrei Nedelea

Story References: Jalopnik



  • aaronbbrown

    A blasphemous desecration, filthy GM motor in a Porsche does nothing but degrade and defile a once fine vehicle. I would buy it just so I could put a bullet through the block and put it out of its misery.

    • bobby

      your an idiot

  • Ima Luthier

    snobbish purists put this down, but I love the American V8 oddities in cars like Porches, Jaguars, 70’s Nissan Z-cars, et al…hell, my mechanic whose shop is dedicated to German cars owns a mid 80’s 928 with an LS2 in it, and everything is fully functional…even he realizes the dependability issues that come with over-engineering with Porsche engines (even though his daily drive is a later model Cayenne)…to his credit, the LS2 swap was a relatively recent project as he has owned the 928 for 25 years…sounds like he tried, but ultimately, the LSx swap is the way to go: more power, reliability, even lighter weight, and with the Renegade Hybrids kits…EASY TO DO…

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