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Re: Gas mileage
Posted by Eiron [Email] (more from Eiron) on Sun, 8 Feb 2004 05:43:52
In Reply to: Gas mileage, Michael P Hess, Fri, 6 Feb 2004 22:38:47
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Our recently-acquired '85 N/A 8v has been going thru the same things. I've been swapping between it & my '90 N/A 16v for my daily commute, which is 35 miles one-way & is roughly half thru city streets/traffic & half on open roads (up to 75 mph). I don't do the kind of extensive idling you do, but the weather here (Northern CO) has been anywhere from 0°F to the mid-60s. The car's parked outside, so all the fluids start out pretty thick right now. I've been keeping the tires (185/65-15s) right around 32 psi.
When we first got it (mid-Nov), it was only getting about 25 mpg on my commute. Since then, we've cleaned out the throtle body & cold start injector, run a can of BG 44K thru the fuel system & replaced the fuel filter, cleaned the tranny with Auto-Rx & replaced the 10W-30 with something comparable to 10W-40, replaced the engine's old bulk 10W-30 oil with Saab's latest 5W-30 & added Auto-Rx to that, & replaced the plugs, wires, cap, rotor, & O2 sensor. It's now getting about 28-29 mpg on my commute, & I hope to see it improve as I finish the Auto-Rx treatment & the weather (& all of the car's fluids) warms up.
For comparison, the 16v has been giving me about the same mileage at about 29-30 mpg. It's got a similar 10W-40 in the tranny, but a much thicker 15W-50 in the engine (also with Auto-Rx right now). Also, the tires are 195/60-15s, so they add a few pounds per wheel of rotating mass at the worst place. Around town, all three of our cars (8v, 16v, & '99 turbo) get about 21-22 mpg.
posted by 32.102.170...
Posts in this Thread:
- Gas mileage, Michael P Hess, Fri, 6 Feb 2004 22:38:47
- Re: Gas mileage, Eiron, Sun, 8 Feb 2004 05:43:52 <-- Viewing This Message
- Re: Gas mileage, longish, RickW, Sat, 7 Feb 2004 10:44:05
- Re: Mostly fwy, 27+ average, Jim92CTConv, Sat, 7 Feb 2004 10:00:31
- Re: Gas mileage, Baab
, Sat, 7 Feb 2004 04:38:25 - hwy = 8litres/100km city = 12-14litres/100km here.nm, sab, Sat, 7 Feb 2004 00:36:39
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