toyohome Posted August 27, 2013 Share Posted August 27, 2013 I have a 1987 Dolphin with a 22RE and automatic. I'm getting about 11.5 mpg driving at 55 on fairly level terrain. Is this average or is there something I could do to improve it? Quote Link to comment Share on other sites More sharing options...
Dolphinite no longer here Posted August 27, 2013 Share Posted August 27, 2013 Toyohome, That's pretty poor mileage with that engine/trans at that speed. Are you using overdrive? Is the engine firing on all cylinders? Something's out of whack. If you're not mechanically inclined, have a mechanic look at the engine and trans. John Quote Link to comment Share on other sites More sharing options...
waiter Posted August 27, 2013 Share Posted August 27, 2013 thats a little low. I get around 14-15 at 55 -60mph. Check tire pressure 60 in the rear, 55 in the front. Adjust valves. Check ignition timing John Mc 88 Dolphin 4 Auto Quote Link to comment Share on other sites More sharing options...
bufbooth Posted August 28, 2013 Share Posted August 28, 2013 Replace your air filter...a really dirty one can rob you of up to 20% of your mpg. Quote Link to comment Share on other sites More sharing options...
zero Posted August 28, 2013 Share Posted August 28, 2013 I have a 1987 Dolphin with a 22RE and automatic. I'm getting about 11.5 mpg driving at 55 on fairly level terrain. Is this average or is there something I could do to improve it? Here is one guy's fuel mileage log for his 1985 Dolphin with a 22RE engine. He said he kept it in perfect working order. Quote Link to comment Share on other sites More sharing options...
waiter Posted August 28, 2013 Share Posted August 28, 2013 That looks similar to mine. John Mc 88 Dolphin 4 Auto Quote Link to comment Share on other sites More sharing options...
Debbit Posted August 29, 2013 Share Posted August 29, 2013 Before i got the carburetor fixed, I got a hair better than 12 mpg driving up a steep grade to a mountain camp area and driving around town. The second trip was up the same mountain, after the carb was fixed, so will be anxious to check the mileage now. Quote Link to comment Share on other sites More sharing options...
WME Posted August 29, 2013 Share Posted August 29, 2013 When your mpg isn't up to snuff. The first step is a full tune-up to factory specs. Get a base line then start fiddling. A lot time the fiddling will increase things over where you started, but factory would be even better. Quote Link to comment Share on other sites More sharing options...
Debbit Posted September 1, 2013 Share Posted September 1, 2013 I am pretty surprised with my gas mileage. Took it for a carb rebuild, runs great. Got Ac converted and charged. It blows cool and comfy. We took it up a pretty long haul, over a respectable mountain pass, then up the other side of the mountain to camp. It isn't very peppy, but it made it. 61 miles, a good bit of it steep grades. Used 3.5 gallons. Very happy with the MPG if not the MPH! 22 R with 34,400 miles, 4 speed. Quote Link to comment Share on other sites More sharing options...
douglitas Posted September 1, 2013 Share Posted September 1, 2013 we also have 87 Seabreeze 20' with 22RE and auto with OD. our first couple of short trips we got 11 MPG, but then took a long trip and saw mileage increase to 13-14 mpg. Quote Link to comment Share on other sites More sharing options...
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