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Originally posted by bigshow
reply to post by autowrench
Oh please give me a break. Throttle body injection is about one of the most in-efficient injection systems ever made. And there is no way you are getting 37 MPG in a 350 TBI motor. Sorry it ain't happening. The computer in those vans/trucks is far from sophisticated, also with you bypassing the oxygen sensor, which is what the computer uses to determine Air fuel ratio, you are undermining it's performance. Enough hogwash in this thread. Unless someone has some independent verification from a testing company with paperwork and video documentation it is all hogwash. I can verify the mileage on my diesel truck perfectly well in the low to middle 20's MPG.
Originally posted by korath
I remember I had a '78 Ford truck, the top speed on that was 110 we couldn't go that fast legally then and we can't go that fast legally now. So what's the point of making them that speedy? One thing I do like about the old ones is you could open the hood and you had the engine, battery, radiator. and a couple of other simple things to look at. You could see the ground underneath when you popped the hood. They got so much crap in there now you need a genius to figure it out, and it's all still about going from one place to another.
Originally posted by liveandlearn
This could be a major setback for even hybrids that get 40-50 mpg. But it looks like very slow going and the price may not be doable for the average person.
Originally posted by imeddieone4202003
When we look at the automotive industry as a whole since its inception one can notice two things:
-Engines have gotten exponentially more complicated and advanced with the integration of computer components
-These advancements have NOT translated into any sizable contributions to the efficiency of MPG
Originally posted by autowrench
Well, bigshow, you are entitled to think whatever you wish. I didn't post that for anyone to believe it, as in a cult belief, I posted it for other car people who may wish to investigate how to get better mileage on their own vehicles. I do not use the factory TBI setup, as it stated in the post. Holley has done wonders in the fuel management tech dept. You response is about average of the many I get when talking about how to do this on a big V-8 engine, the men stand around and claim it cannot be done, while the women ask where do I get the parts, and how do I do this at home? I will be thinking about you as I drive right past the station today.
Originally posted by nh_ee
The formula is relatively basic:
1. He's using a relatively light car, an 80's Mustang LX notchback.
2.) Build a high compression engine generating lots of low end torque.
3.) Utilize cylinder deactivation, as the Big 3 are to save even more gas with the big V8s in Vettes and Hemis, by turning off 4 cylinders and is now running on 4 of 8 cylinders easily generating the miniscule power necessary to maintain highway speeds but at extremely low RPMs where all engines are using minimal fuel and V8s generate lots of torque.
4.) Combine that with some tall gearing, and there's your 100 mpg car !