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Old 06-29-2006, 09:43 AM   #1
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Hf advantage:8v/trans 50/50

I just figured something out. The crx in all its incarnations gets approx 1mpg better than its respective civic equiv. (i.e: dx 5spd, dx auto), so ignoring that, the hf in '91 got a combined epa of 50-51mpg. My civic got an epa 35mpg combined with 4spd. If i drive my car with the same restraint it took to get 35mpg with the 4spd, I now get about 42mpg according to my first 230 miles with the hf tranny. If I wanted to close the gap to 50mpg to reach hf territory, the engine would account for the other half. So hf tranny/8v really are an even split in fe advantage. This all assumes that the real secret does NOT lie in lightweight rear drums.
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Old 06-29-2006, 09:44 AM   #2
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Well sir, you are on your way, have you talked to the seller? Get some pictures!
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Old 06-29-2006, 09:51 AM   #3
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Quote:
Originally Posted by budomove
This all assumes that the real secret does NOT lie in lightweight rear drums.
Lightweight rear drums weren't in the 88-91 cars, only the 86-87 CRX HF and the Honda Insight.

Oh yeah, do you want a pair?
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Old 06-29-2006, 09:55 AM   #4
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Originally Posted by Matt Timion
Lightweight rear drums weren't in the 88-91 cars, only the 86-87 CRX HF and the Honda Insight.

Oh yeah, do you want a pair?
Do you know the weight diff b/w those and my 91 civic drums?
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Old 06-29-2006, 10:23 AM   #5
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They're 3 pounds less.
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Old 06-29-2006, 10:36 AM   #6
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Quote:
Originally Posted by SVOboy
They're 3 pounds less.
3 pounds of unsprung weight equals like 400 lbs of sprung weight.

Okay, I'm exaggerating.
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Old 06-29-2006, 10:37 AM   #7
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And 10 pounds of sex appeal!
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Old 06-29-2006, 10:50 AM   #8
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Quote:
Originally Posted by Matt Timion
3 pounds of unsprung weight equals like 400 lbs of sprung weight.

Okay, I'm exaggerating.
Matt is quite the salesman....
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Old 06-29-2006, 11:19 AM   #9
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Matt is quite the salesman....
Wait until I start selling you about these pills you put in your gas tank that improve your gas mileage by 50%!

And they're only $2/ea!
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Old 06-29-2006, 12:44 PM   #10
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ha there's a guy on redpepperracing, his name is Scott, he lives and dies with the praise of '86-87 CRX HF aluminum drums, trying to convert the Integra rear disk swappers of their blasphemous ways. Mak
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