Porsche Boxster S L33
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Porsche Boxster S L33
Hey guys, I'm just starting to work on a Boxster V8 conversion and I thought I'd share my build with you. My name is Vlad, and I'm a 27 year old Mechanical EIT from Toronto, Canada. This is my first Porsche and first car build, so please bear with me.
PS you can also follow this on my blog at rollingshell.com or instagram at PorscheLSX
PS you can also follow this on my blog at rollingshell.com or instagram at PorscheLSX
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The first thing that I bought was an engine. Jalopnik had a gret guide on how to build an LS engine on a budget, so I decided to go that route. I first picked up an LM4 aluminum block from a 2004 Envoy XL. The guy at the scrap yard said that it was tested and had great compression, so I couldn't pass it up for the price.
I spent the following week tearing it apart and cleaning. The engine looked good, but it did have some rust. I managed to snap a couple of exhaust manifold bolts which was a major pain (you can see more pics on the blog)
I got a whole bunch of NPT fittings from my dad and put together a leakdown tester to see how good the engine internals were. To my surprise it pretty much had 0 compression. You could hear the air rushing out pretty much everywhere. At this point I decided to take off the heads and clean up the valves to see if that would solve the problem.
I spent the following week tearing it apart and cleaning. The engine looked good, but it did have some rust. I managed to snap a couple of exhaust manifold bolts which was a major pain (you can see more pics on the blog)
I got a whole bunch of NPT fittings from my dad and put together a leakdown tester to see how good the engine internals were. To my surprise it pretty much had 0 compression. You could hear the air rushing out pretty much everywhere. At this point I decided to take off the heads and clean up the valves to see if that would solve the problem.
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I took the heads apart and as expected the valve faces and seats were pretty gunked up and pitted, not to mention all the crap and leaves that were in the cylinders. Since I didn’t have money to get the valves recut, I decided to lap them. Most people are against this, but this is a budget build, so screw it. I used a hand drill and a little piece of air hose to do the job. Again, most people advise against this, but there was way too much pitting to do it by hand.
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Here are some pictures of my car. It took me a while to find a good one actually. I posted several wanted posts on Kijiji, and signed up for notifications on eBay and every major city on Craigslist. A few things came up here and there in the States, but nothing really worth the drive and hassle of importing it to Canada. After a couple of months of searching I found this best. Had to drive to Ottawa to pick it up, but it was worth it. It looks pretty bare in the pics, but thats actually how I wanted it. I'm pretty much trying to make a street legal track car.