The engine is out to the machine shop for boring to 99.75mm with a torque plate for accurate shape, the heads are being chamber matched & adding some headspace to get our CR around 8.3-8.5:1, and we have parts piling up in the living room for the rebuild! (Koni shocks were for my mazdaspeed3, which I auto-x'd this past weekend. Fun!)
We decided on a destroked long rod setup. WRX crank, +2mm rods, and pistons to hit the target CR. We also picked up two sets each of King bearings. Most of the parts came from Fidelis Motorsports, who we're working with on the design of the build, and who will be doing the tuning & datalogging with us.
The bearings are on our rebuilt "front" LSD, and backlash has been set, checked by grease transfer and wear patterns. Looked good to us!
I media blasted the engine case halves before sending them off to the machine shop, so they're.. well, a whole lot cleaner than they were. I didn't have a ton of time, so they're not perfect. Good enough, though!
Before |
After |
Today I'll be giving the transmission the same treatment, then we can button it up & set it aside with new axle & shaft seals.
We've also started in on the wiring harness.
First out was all of the airbag/SRS system, followed by most of the ABS, radio, AC, etc. Lots of wires left, but we've gotten a good chunk of them out of the way. It started out at 48 pounds. Fourty-eight. We'll see how much we can trim off.
Yikes. |
We're also working on turbo selection, though our bank accounts might have to recover a little bit first! We decided to sell the VF22, and are looking at twin-scroll Borg Warner now. Lots of power capability, with spool by 3k rpm or possibly even lower.
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