RTz

Driveshaft... I was a bit surprised to find the slip yoke of the original 510 driveshaft fits the SR transmission. Just a matter of having it shortened and freshened up. Final length ended up being 35 5/8", centerline of front U-joint to back of pinion flange.

Uh, yeah. Why is that every time someone asks about a specific engine swap, 11 people tell him he should be using something else? Can we ease up on that a bit, pretty please?

Yeah, 'prolly kill an ordinary man

Actually, I was thinking how much fun it would be to ride to NC

I'd be happy to deliver it for you, for a nominal fee of course

According to Wiki, early Ecotec's were iron, and the Ecotec II's were alum... http://en.wikipedia.org/wiki/GM_Family_II_engine ...hmmm...

That was my first thought. He posted two different blocks, though. This block is alum... ...still, the architecture is 'off'.

Center Line Radius

I can't say with any certainty, but those don't look anything like an Ecotec.

Fuel Supply... I spent a great deal of time deliberating on what I wanted, verses what was realistic. In the end, I chose to 'git R done'. I adapted a Z31 fuel sump/baffle inside the stock 510 tank, along with a Walbro 255lp in-tank pump. What a noisy bugger! It's triple isolated and still obnoxious. Within the car, its only noticeable while idling, but open the trunk and people scatter for 3 blocks. New 5/16" SS fuel lines provide the supply & return duties, along with a firewall mounted '96 Q45 fuel filter. While I was at it, I inverted the fuel sender in anticipation of using VDO gauges (opposite read). More on that later. I haven't run the car low enough on fuel to have an opinion on the Z31 baffle. Time will tell.

Mechanically, this was a pretty low effort swap... most everything had been previously installed in a 510, I wasn't attempting anything fancy, and the SR fits so naturally. Starting with the mounts... Motor mounts consisted of 1/2" spacers. Yup, that's it. I machined 1/2" aluminum spacers and used the stock L-series rubber isolators. With the spacers, the SR bolts up to the stock cross-member. Well... kind of. The issue is not the mounts, so much as the cross-member itself. The SR being a front sump, created a bit of interference. This has been addressed in several different ways, but I chose to cut out the front biased offset and weld in a 'straight' replacement. I think a single 2" round tube would have been sufficient for any normal loads imposed, but I like to be able to jack the car up by the cross-member. This led to using 2"x1" box tube, one situated vertically, and the other horizontally. This seems to be plenty stout as jacking produces no visible deflection. The transmission mount is a modified stocker. It ain't pretty, but its stout. I cut out the center, welded in a 2"x1" box tube (horizontally) and drilled a single hole through the center. I used a GM transmission isolator, which fits the SR tranny nicely (Energy Suspension part# 3-1108G).

So do air/air intercoolers. As TonyD would say, it's system capacitance that you're after.

Grim, the water is not consumed, just circulated.

How many of you simulated crashes? If you need to take it apart, you did something wrong.

Cool beans. Keep us posted!

You are;-)

That makes sense, John. But the advantage is because the 12 makes more efficient use of the bore/stroke combination, not because there are more frequent firing pulses. That's my take, anyhow.

Ken, What's the KA-T going into?

Happy Birthday!

Just to clarify... the Nissan water temp sensor uses the same connector as the injectors discussed above.

Yes. I find GM's are generally more plentiful, though. Some Subaru's came with them as well.

Nope. Not polarity sensitive. Most GM cars have what your looking for.

I don't see this as a big deal. Remove quill shaft. Cut handle off long Chinese screwdriver. Chuck up in drill motor. Switch to reverse. Insert molested driver into oil pump. Spin until shop floor is covered in oil Just say'n... if your concerned, pump it out.

That's not whats being said. Smaller displacement (per cyl.) could mean smaller chambers (if shooting for a specific CR target). Smaller chambers, of the same 'type', will normally be less detonation prone. Good one