Stuttgart? Hoping you’re thinking Porsche...
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Slater—
I used to read my Dad’s C&D magazines back in the 80’s; I wanted a Porsche 959 so badly I could almost taste it. But a boosted ZHP can outperform a Macan any day; ask me some time how I know!
I ran the codes from the car. As expected, I had a few codes indicating rich mixture, as well as misfires on cylinders 1,2,3 and 6. What I’m less certain about were the O2 sensor codes (banks 1 & 2,) which indicated that sensor signal had been shunted to the heater. I’m hoping I didn’t fry the O2 sensors!
The leak at the T-stat is still present, if slower. Once I’ve completed my CPR re-certification this evening, I’ll perhaps drain the system and re-seal the racing t-stat to the block. Re-wiring the starter will probably wait until tomorrow, along with the sacrificial oil drain and dipstick O-ring replacement.
Sockethead—
I’ll PM you my FB handle for kpro. I’m on e46f, too; I’ll look for the boosted subgroup. Thank you!
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Update for la famiglia: la ZHPess is back on the road; the engine is now silky-smooth. That improvement is largely because I remembered one ‘minor’ detail; notably, I’d unbolted the S/C from the block in preparation to remove it so I could access the starter from above. Once I eliminated the pressure leak THAT caused, everything else fell into place. The Zionsville mechanical thermostat seems to be working as hoped; the cabin takes a minute or two longer to warm up on wintry Wisconsin days, but that’s a small price to pay for increased thermostat reliability!
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Good to hear!
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Nice to see you getting the car back in shape... and modding it too!
Really I’m just trying to maximize its performance and longevity. I’m banking on the engine going a fairly long time, in which case the more durable components (water pump, radiator, thermostat, pulleys) are actually cost-effective. The Mishimoto radiator and Zionsville Racing thermostat let the engine run a bit cooler; that may negatively impact mileage but should extend engine longevity. My general impression is that the car runs stronger and more smoothly for the mods. The rear end breaks loose more easily than I remember, suggesting either that my rubber needs replacement (spent 2 years hardening in the garage) or that my setup overpowers the rear diff or both. If I’m doing an LSD, then it’s time to address the rear subframe BEFORE it fails. Then there’s the airbag recall, rust mitigation, window tint, dent removal, heated seat upgrade, Avin Avant, new speakers and interior rehab, moonroof cassette replacement or delete, short shifter, suspension refurb and HID bulb replacement. And that’s a short list.
I suppose the obvious point is that I’m very fond of the E46 ZHP platform...
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Hey modding is modding no matter what your excuse is lol
;)