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Classic Cars Classic Cars as daily drivers
552 messages, Last post on May 11, 2009 at 8:03 AM
You are in the Classic Cars Forum. Your Host is mr_shiftright
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Replying to: Mr_Shiftright (May 23, 2001 12:06 pm) problem with her,matter of fact,i just picked up a 390/fmx for her from a 67 Galaxie,and i'll be doing the same conversion.Pertronix makes a really good conversion kit |
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Replying to: djg66 (Jun 12, 2001 2:30 pm) |
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Replying to: dixieslicks (Feb 03, 2007 3:11 pm) Anyway, that Dart usually got around 12-14 around town, and the best I was ever able to eke out on the highway was about 17.8. And the only reason it was that good was because I was going through a really desolate stretch of Arkansas, and hit a spot where it was really far between gas stations, so I nursed it along as gently as I could for maybe the last 50-60 miles. The next was a 1979 Newport with a 318-2bbl. It had a Lean burn carb and about 230,000 miles on it. I found out that if I advanced the spark enough, it would get about 13 around town, but required premium. Cutting it back to where it would run okay on 87 would drop the mileage down to around 11, and with gas prices at the time, it seemed a draw either way. That sucker would get around 22 on the highway, though. It wasn't so hot, say, from 0-60, but it was a great highway cruiser. The final 318 was a 1989 Gran Fury ex-police cruiser with a 318-4bbl. Around town was pretty bad, usually 10-13, and it needed premium fuel. On the highway though, I was shocked to see that it could get around 21-22. Not bad at all for a car that was EPA-rated 13 city, 15 highway! Considering the 4-bbl and the quicker gearing (2.94:1, versus 2.45:1 for the Newport and 2.76 for the Dart), I'm really impressed that it could break 20 on the highway. Oh, if you're doing headers, but mostly local stop and go driving, I think that might actually hurt your mileage a bit. I think with headers it takes the car longer to warm up, so on cold days it might get crankier as well. Also, a 4-bbl model would most likely have a different cam in it to take advantage of the greater fuel/air flow allowed by the larger carb, so you might want to change the cam too, or else you might just end up with the fuel economy of a 4-bbl but the performance of a 2-bbl every time you punch it. |
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This is my '68 GMC truck that my dad bought new. I've put some miles on it.  href="http://www.carspace.com/csPhotos">See more Car Pictures at CarSpace.com Check out the story about it: http://www.sacbee.com/130/story/152695.html 
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Replying to: justaveragejoe (Apr 11, 2007 11:35 am)  What engine does it have? GMCs that year had a choice of the 250 or 292 I6; 305 or 351 V6; or 283, 327, or 396 V8.
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Replying to: bumpy (Apr 12, 2007 11:09 am)  A "Carspace" logo, over a scan of a newspaper article, with my original picture...no copyright lawsuits please
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Replying to: justaveragejoe (Apr 12, 2007 1:08 pm) |
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is one sweet truck. I really like that body style. Hey, were they using all-steel beds by that time, or were the floors still made out of wood? When my '85 Silverado has breathed its last, I've thought about trying to replace it with a classic pickup, and I always did like that '68-72 style of GMC. Only problem is, my truck has sentimental value, as my Granddad bought it brand-new. I have a hard time parting with cars. 
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Replying to: andre1969 (Apr 13, 2007 2:37 pm) Yes, steel bed in this one. |
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Replying to: andre1969 (Apr 13, 2007 2:37 pm) |
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