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the car runs fine until past warranty - nothing more is wanted
EPA sets a 50k and then a 100k requiremed warranty on motors (pollution systems) - thank them that our (US) cars run as long as they do...

also, more gauges or lights means more customer inquiries, each of which costs a few pennies.

at least at GM, the financial side of the company runs the place - engineers are low life to do what they are told by the money people.

Quote:

Originally Posted by RWebb (Post 4138403)

Accurately and succinctly describes the state of American business. Turn a company over to the marketing/finance types and the end is in sight.

Quote:

Originally Posted by rick-l (Post 4138267)

My 81 Rx-7 has these features also. Of course it does pump oil into the carburetor and by design uses a quart every thousand miles.

Overheat will instantly kill them also.

Not true on the overheat, I ran mine with a stuck closed thermostat at a 2 day DE, the car was slightly overheating on day 1 running in the 230° range and it ran like a champ all day. I did not think there was anything wrong and figured the temp gauge was going. On day 2 the temps soared to 280° and again the car was running strong, at one point I had let a driving instructor drive my car and he was pushing a Ferrari Challenge car around the track, we were not suffering from loss of power.

I was not until I got it home and looked at the warranty slugs on the side of the motor and saw they were melted, they were made of lead. Lead melts at 270°.

Then I looked my data logs and confirmed 280° all afternoon. The funny part was I drove the car around for a week after that and it would still turn sideways in second gear. When we did a compression test on it she only had 1/2 the compression at 50-60 PSI. We tore it down and everything was warped I basically tossed the entire engine out, BUT it never stopped running.

As yes, the carb injected oil was probably the last good way to pre-mix the gasoline. When they switched over to FI they had little oil injectors (think direct port injection) that were on the top of the rotor housings. They were useless.

I took mine off and premix my gas at the gas station in the same manner you would with a 2 cycle motor. So my car does not use any engine oil plus I get to premix oil designed for burning which is much cleaner. <--- thats is almost funny when you consider a rotary motor.