Hey simply peter, I have a 1988 CRX HF with over 172K miles on it but when I drive soley city miles, I average 38mpg (lowest) to 43mpg (best). The lowest has been with the ac on and driving 'normal'. The only 'techniques' I use in my whopping daily 5 mile rountrip work-home commute to get the better mileage is putting it in neutral when comming to a stop (just remember "don't speed up to slow down to a stop sign/light") & not reving past 2K rpm much.
Now is may vary if the CRX you're looking at is a non-ca (mine is a CA version so the final gearing is slightly less than a non-ca CRX HF) and if it's well tuned. I try to take care of all my scheduled maintnance to ensure it's in top running condition. I have NO worries about jumping into it and driving it long distances whatsoever. Anyway hope it helps in your search...good luck! |
The one I found has around 180,000. Sounds like it's been well cared for, and the current owner has done a lot of maintenance to the engine. She says it needs an oil pan gasket, which shouldnt be to bad to replace. The big issue for me is that it doesn't have air. I am in Iowa so it would be really hot in the summer. I think I would probably dig up all the parts to add ac after I got it.
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I would think for city driving, the slightly higher final drive of the CA version would give a little better mpg. Mine is a CA version and 1st gear is still rather tall, I sure wouldn't want to drive my HF up some of the hills in San Francisco.
I managed to find the parts for AC from someone here on GasSavers. It was alot of work, but I have AC in my HF, which considering the heat here in So Cal, will be much appreciated this summer. |
scangauges are awesome. if you are planning to do a grill block or warm air intake, the scangauge will also show you your temps as well. I am all for working on an existing vehicle depending on how bad your starting point is. with an SUV, it may be better to trade down to an economy car. with a cav, I would assume that you could better that number tremendously.
the scangauge will also tell you throttle position and engine load. you can monitor those on your drive. I have seen places sell them a little cheaper than the scangauge web site but I think the best I have seen is around $160 but that is a lot cheaper than a car you have to put a/c on. I say to get the scangauge and give it a few months and see how it goes. with only 10 or 20 miles a day, it will take a long time to pay for that extra vehicle. just my opinion |
with an si transmission on my hf engine i got about 45mpg 50% city 50% highway on my long 9.8 mile commute. With the hf transmission i could get 50mpg without trying.
iowa summers? ive lived without ac in virginia in the summer for about 4 years. |
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Really hard to believe since Si transmissions have the RPM's in the 3500 range at highways speeds...plus they were rated at approx. 30mpg highway...and that is when it was BRAND NEW. I'm not calling you a liar, no way...but it just seems super crazy to believe especially when you say you get very that type of mileage 'without trying'. I get my MPG info from www.fueleconomy.gov in case you want to see where I get my data. :) EDIT: My tired a$$ didn't read it correctly until late late last night and by then I had already openned my big mouth....sorry. An HF with an HF engine/tranny should break 50mpg easy but that's on the open highway and when properly tuned and running right. With an Si transmission, I personally don't know as I don't have that set up just seems interesting to be pulling over 40mpg with it as I've read Si owners claim they run at over 3K rpms doing 65mph. But I can't say for certain, just seems odd to me that's all I meant. |
but he is saying an SI trans on a CRX HF motor. the HF motor is known for mileage where as the trans is not so you can't really go by the fuel economy numbers since he is using the engine from one and the trans from another.
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Yeah I realized my mistake late last night but I was way too tired to edit my response....my bad. :P |
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Look up the ratios, the HF trans is geared very tall. I generally drive my BMW around town in 5th (although it admittedly has more torque). But I can barely get my HF to 3rd gear around town because it is geared so tall. |
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CA HF Transmission: 77mph @2500rpm https://img229.imageshack.us/img229/7...phrevs2vh8.jpg Non CA HF Transmission: 77mph @ 2250rpm https://img409.imageshack.us/img409/7784/dscn0846ic0.jpg |
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