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The Cake got a new one piece header panel... re: not broken and removed the former Tek screw and plumber tape stitch from the bumper cover to replace them with cardboard staples scavenged from some boxes. Also put new fogs from a 99-ish Buick Regal (bought aftermarket bits that came with bulbs). After all was said and done, I found my sticker pile again and added one (that's actually rather true) to the driver window.
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Swapped back to the 2001 PCM an got the car inspected a few weeks ago. Just going to leave it that way until the guy can get around to trying to binary edit the rom file. I may have him email me the rom file so I can try. Or maybe get a quarterhorse and try hacking it myself. In the meantime, I reduced the bass in the cake. Out go the twin 10s and in with a low profile single 10. Good enough for me and massive trunk available again.
Big boom truck waster...
New small boom and open trunk
I used the stock touring sedan subwoofer bracket and drilled some bolts through the box (Pioneer TS-SWX2502) and mounted it with that and some THICK plumbers tape to the board holding the amp and then the underside of the speaker box to give it some support up front. I may make a better bracket later, but this works for now.Leave a comment:
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Nope. At least not with SCT. Line pressure change can be done, shift points, but that's about it.Leave a comment:
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Transmission shifting. the 99 PCM just works much better than the 01 in that regard on an AODE. If I had a 4R7xW, it wouldn't be as much of an issue. The 99 also holds gears while the 01 neutrals out when you let off the gas. I prefer the holding of gears.Leave a comment:
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Wideband oxygen sensor I expect. Useful to know if its going way rich or lean.
What was the reason for the ECM swap?Leave a comment:
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Cake is tuned... sorta. Still need to sort out the EVAP codes (P0453, P1451) as they are not equipped on my car (that stuff didn't come out until OBD-II). As stated in the what are you working on thread, I had to replace the IAC since the PCM expects the one I bought and not the one that was on there. It made a big difference. The coil resistance was the same, so that's not the issue, but it seems they changed something in the valve itself between 2002 and 2003. So the 03 IAC is on the shelf if anyone needs one. It works fine. Anyhoo... dyno video below. 266 ftlbs (couldn't lock in 3rd gear so this number is low as peak torque is below 3K rpm) and 234 hp. We did a baseline with the 01 PCM to start with and it showed 215 (216 at SF last year), so the numbers are comparable. HP is up almost 20 and I would wager torque is up a few if we could have locked in 3rd. I'll drive it around and see if it feels any peppier. I doubt I'll be able to feel 18hp.
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The seat rails on these things are pretty flimsy when you get right to it, especially for the sort of abuse they take. Even without an accident, years of back and forth stress from accel/decel will weaken it.Leave a comment:
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Apparently there was still some damage to the Cake from getting rear-ended that I didn't know about. The driver seat rails broke today. So I got my spare set out of storage and got to work swapping them.
Then I discovered that the other side was attached by a prayer...
Crap. So I went to my washer stash and found a washer that fit the massive nut that broke free of its welds and got to work welding that together to help reinforce the attachment and welded it to the chair after welding the torn pieces back together. If I didn't overcook the welds, it should hold fine. The other side is still good so it should still be safe to drive.
Got the other rails attached and bolted it all down. All betterer.
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Fixed... apparently the forum changed the attachment number. Had to "Go Advanced" and use the attach function to find them. Also fixed the previous post that had the same issue.Leave a comment:
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