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Originally posted by BenHarper
I have just put an LS1 into an LX and the biggest issue for me was the sump. No one that I could find made aftermarket sumps to fit the one piece rear main seal LS1 into a tory, I had to have mine chopped and welded and there was still an issue as the LS1 has some kind of oil baffle or what ever you call it to stop oil flying around so much that suspended horizontaly below the bottom end which would not fit inside the new sump as it had to be so shallow to fit in above the steering. The damn thing was suspended by extended bearing bolts which needed to be removed and cut down. With a bit of hind sight I would consider mounting the engine slighly higher than mine is currently cause I will never be able to get at that oil pan without removing the whole engine! Other issues that i had with the install (you might run into the same probs?) the big starter that comes with the new things probrably wont fit inside the tight little extractors you will have to have made and if you are getting extractors made up, make sure that you arnt left in the same situation as me where you need to remove them from the side of the engine to get at one of the spark plugs on each side! (the turn down is so sharp that I also melt plug covers!)
Carefull how deep then engine is mounted back into the tunnel, i wanted mine deep to fit a big vn shroud and thermal setup at the front, and since my ls1 and most of the ones in the import / crate shops come with the huge cake size HEI dizzys on them the dizzy was to big and hit the firewall.(i ended up having to get a little mallory 6 volt, it was the smallest thing I could find, about the size of a coke can!)

At times I wish that I had stuck with a 308 but I am very happy with the result.
BE WARY of anyone who tells you that it will just bolt in. I heard that allot from the crate importers.
Nothing fits in a Torana, anyone who has put something other than a 253/308 in (themselves) will have a story for you about how much of a bastard it was.

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