Fs/swap Mazda Rx7 2000 [fd3s]
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Your car was auto before? You have different diff ratio (auto vs manual i think? or n/a and turbo?) -
+1 for getting a screen off alibaba, CarPlay/Android Auto is vastly better than whatever navigation cars had 10 years ago. I got an Android screen for my 2015 BMW, huge difference. Fully compatible with factory stuff including iDrive controls.
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Yeah, my offer was more to show exactly how rough and ready the rig can be and still be useful. Youtube vids will definitely show cleaner setups. Same concept though. -
I would guess the seal has gone down at the speedo drive and gearbox oil has crept up the drive cable sheath and fouled the speedo head.
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Any updates on this? Although not a stroker, nor built especially loose, my car has the exact same symptoms. Although I feel they were not there to begin with. Since rebuild with forged parts I have done about 40k kms and it feels like during the last 15k or so, the oil consumption has gotten progressively worse. Compression test showed - what I thought at least - similar 10-10.5bars in each hole without oil. I have not yet done blowby test though, due to limited garage access. #2 plug is the looks the most foul and that was the one with 10bars. Nothing in the breather tank. I only recently disabled PCV and left only the hoses running from the valve cover via smallish tank to turbo intake pipe there and did some mildish 2nd gear pulls so the car was definitely on boost (1.4bar or so). Removed a hose from the tank and it was basically dry - meaning, the wipe I used had basically no oil on it. Last time I checked, the turbo and IC piping seemed dry as well (will have to see about that again after those pulls). For the past year and a half though, the car has been driven like a granny would for 99.99% of the time, since it mainly serves the purpose of carrying the family around nowadays. A lot of slow, stop and go city driving and most of the trips it barely sees any boost, but gets up to temp properly every time. Although there can be weeks it is not started at all. The car does not smoke, or at least not that I can see. (CAT is in place though). There is slight visible sweating at the Ex cam cover seal and I recently tightened the oil cooler lines as there was some mist on them too. It runs and idles extremely nicely and feels all around healthy. Like TurboTapin, I too am suspicious of my turbo. I have had IC pipes pop out from 1.6-2bars of boost a half a dozen times during the years. The turbo is a HX35/40 hybrid. So, a very similar mystery. Around 1500kms and a litre of oil surely cannot disappear to thin air. Apologies for the wall of text, not sure if any of the above is useful for best guesses/things to check next.
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