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It's cast nodular iron.

Yep, I did get the 2006 for these reasons and the higher output. Every engine has it quirks. If I find myself doing a head swap, I don't think pulling the pan too is going to be too much additional work. For the moment, I don't plan on opening it up, though. Any tips, tricks on the 2006+...

Why's that?

The 5cyl's use a rear sump and can be used on the I6s after being extended 4" or so. Here's the stock 5 cyl piece cut: I brazed it back up rather than welding. Welding can cause problems by weakening the surrounding metal. STIs have had problems with their tubes breaking, running the...

Meh, low priority at the moment. Fine sand paper => anodize?

Go raid their dumpster! I'm not paying >$800 for a turbo manifold.

Ok, first thing is to convert the thing to rear sump. Here's the girdle getting tapped for an extended oil pickup:

Yep, pretty much that. The goal is to get it running n/a then turbo down the road. There is a company that mills turbo manifolds for these! http://steedspeed.com/turbo_manifolds

I haven't found exact figures, but about 400 lbs. It's a wash with the 7m-gte. Should go well with the AR5, but there's no reason why it wouldn't mate just as well with a R154.

Thanks, hopefully not a complete disaster.

Check this out. The mains are all tied together into a single aluminum girdle: The 4200 is only availbe in front sump, so figuring out the oil pan is the first order of business.

Yep, it's out of a Chevy Trailblazer, and it's certainly no "pos". It's a Wards best engine for several years, smooth powerful, and *cough* reliable. Mine has 23,000 miles on it and is a MY2006. It's often overlooked because it only ever came in the Trailblazers/Envoys.

Maybe you're not familiar with this engine. Given its application it is most certainly doomed to obscurity. But look at the intake manifold. The design could have been copied right off the 7m. And check out the accesories. Alternator, A/C, power steering pump...all in the same location as...

What wouldn't you give for a little more displacement out of the 7M? Or even a 2JZ for that matter? Wouldn't it be sweet if -intead of the V6s- Toyota came out with a 3JZ? And while we're dreaming, how about an aluminum block to keep weight down? And a bellhousing that mates up to a R154...

Marlin does great stuff, but he doesn't add triple-cone synchros!

Maybe the main case, but the R154 tailhousing doesn't fit over the AR5 gears. That was the first thing I tried :(

Probably the other way around. Yep. Maybe on the synchros. I don't think you'd be able to swap just the gears as they have different main shafts.

Should be of comparable strength. Mallet is running them behind 400lb-ft LS2s with no problem.

Yeah, good point. First, the big thread is here: http://www.supramania.com/forums/showthread.php?t=25024 Advantages: The main benefit is shift feel. The R154 shifts like a 20 year old lawn tractor. The late model AR5 with triple-cone synchros shifts like a Honda. This is the...