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Post by rokon287 on Nov 23, 2009 14:09:16 GMT -5
I know this is going to vary depending on engine and carb set and such, but if anyone has ever run the numbers, what kind of mileage do you get out of a bradley? I am getting a GT2 back on the road and I was just wondering what i might expect. I've looked up mileage on Bugs but i guess there might be a different because of weight differences.
Thanks, Sam
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Post by Jeff Troy on Nov 23, 2009 16:03:30 GMT -5
Hi, Sam,
Your mileage should be similar to a comparably powered Bug. The GT is approximately 400-600 pounds lighter than a Beetle, and the GT is approximately 200-300 pounds heavier than the GT.
You're looking at a slightly lower although relatively similar weight to a stock Bug, so I don't think you'll be too far off the mark.
My GT gets an average of 20 mpg between street and highway, although most of my driving is highway. My car has air-conditioning, a mild 1641 with dual Kadron carburetors, fly-cut heads, a full stereo system (exotic by 1994 standards and crap by today's), and plenty of extra add-ons that bring the weight up and the mileage down.
Warmest...
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Post by rokon287 on Nov 23, 2009 18:33:55 GMT -5
Thanks for the input. I saw your GT on the project pics post, love the color change paint job. also, where abouts in PA are you? I live in Jersey for school but the Bradley and my actually house is in Schwenksville, about an hour west of Philly.
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Post by Jeff Troy on Nov 23, 2009 20:57:13 GMT -5
Not far at all. I'm in Lancaster (Lackluster), but lived in Ambler for 10 years or so before coming out here. Born and raised in Manhattan, and spent almost 30 years traveling all over playing rock n roll. Did a lot of work in Jersey -- for MRC in Edison, and for a hobby industry trade magazine based in Morganville (near Frehold)>
Warmest...
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Post by leonardabell on Nov 24, 2009 11:04:33 GMT -5
I have a GT and stock gas tank, (10) gal, and when I hit 200 miles on the odometer, I start looking frantically for a gas station. I can get 225 on the run, but that is pushing it. I have mostly stock single port engine. Hope that helps.
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Post by rokon287 on Nov 24, 2009 16:13:04 GMT -5
Thanks it does. It seems like the low twenties is going to be
a safe bet.
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stevevw
Full Member
Part VW part Porsche , all Bradley
Posts: 117
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Post by stevevw on Nov 30, 2009 10:05:40 GMT -5
My GT2 gets high 30mpg on the freeway but drops to high 20's in traffic. He hates to be running slow . 1600 dp with 40 idf weber carbs .
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Post by mrbigh on Nov 30, 2009 17:09:12 GMT -5
My GT2 gets high 30mpg on the freeway but drops to high 20's in traffic. He hates to be running slow . 1600 dp with 40 idf weber carbs . I wish my GT II with a 1600cc will render up to 30MPG, low 20ish and that's it.  |
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stevevw
Full Member
Part VW part Porsche , all Bradley
Posts: 117
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Post by stevevw on Nov 30, 2009 18:44:36 GMT -5
My GT2 gets high 30mpg on the freeway but drops to high 20's in traffic. He hates to be running slow . 1600 dp with 40 idf weber carbs . I wish my GT II with a 1600cc will render up to 30MPG, low 20ish and that's it. I am really light footed <cheap> if I do get into it I can push the mpg below 20 . When kids see the car out they always seem to ask "is it fast?" my reply is it does ok but it does get great gas milage . Cheers, |
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Post by Gary Hammond on Nov 30, 2009 18:46:06 GMT -5
Hi Sam,  This past summer, my GT (not GTII) got a low of 23 MPG (mostly in town) and a best of 28 MPG (mostly highway). These were averages computed between tank fillings. And I usually drive it pretty hard. ;D I know these are accurate, because I have a calibrated electronic speedometer that checks out exactly with the mile markers over a 20 mile stretch of road. It used to consistently get 30 to 31 MPG before I changed the tank, fuel filter, injectors, vent system, and fuel injection calibration earlier this year. I think I'm now loosing some fuel out the vent when the tank is full!! I need to redesign it again!!   The engine is a modified 1678cc with electronic fuel injection, MSD breaker-less ignition, fly-cut heads, counter-balanced crank, lightened flywheel, dry sump oiling, external oil cooler, home made custom exhaust, 3/4 cam, beefed up valve train, and beefed up clutch. Runs pretty good for a VW. ;D Gary Hammond,   |
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geddes66
Junior Member
Now I am an instructor at the RTS-M, Camp Roberts CA. Teaching new Army mechanics.
Posts: 87
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Post by geddes66 on Dec 1, 2009 7:44:29 GMT -5
A few years ago i tried to use my Bradley GT for a 124 mile (one way) commute to work. This did NOT last long. I was filling it up twice a day. I got a high on 19.5 MPG when I was taking is real easy and a low of 15.5 MPG when I was really pushing it the whole way (85 + Miles per hour) My engine is a slightly built 2007 (bored to 90.5 and stroked to 78) running 36 mm Delorto carbs. To be fair, this engine seems to be REALLY fast to me. What knocks the milage down is it has relatively low compression of 7.8 (I was thinking of a possible turbocharger later) and the carbs were jetted to run a little rich to give the builder (Old Speed) a margin of safety.
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Post by smyrnaguy on Dec 1, 2009 8:11:52 GMT -5
I haven't yet got my car on the road. Its a couple or 3 months away from ready but...
I drove Beetles from the time I got my license in 1973 until the mid 80's. I always got at least 30mpg and often as much as 36 mpg. I had a lead foot at the time and usually traveled with a "crew" of 3 pals. Is it the formulation of today's gas that depletes fuel economy? It would seem that with a lower, lighter body that fuel economy would increase not decrease. I remember way back then looking through the JC Whitney catalog at all the junk that would "add 10-20%" to your fuel economy and figuring if I bought and installed everything I'd never have to buy gas again! The car would actually manufacture a surplus of fuel.
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geddes66
Junior Member
Now I am an instructor at the RTS-M, Camp Roberts CA. Teaching new Army mechanics.
Posts: 87
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Post by geddes66 on Dec 1, 2009 8:26:44 GMT -5
OK, I have to say it... If you were driving a stock beatle, You could have it on the floor all the time, you would only THINK you had a lead foot... |
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Post by centralvalleygter on Dec 3, 2009 1:01:57 GMT -5
I have a 1640 with dual Kadrons (mild cam, etc.) and seem to get 21mpg no matter how I drive. That's the same as I got with the same engine in the BAHA. Come to think of it, that seems to be the same as I get in my V6 automatic Ford Ranger pickup and the newly acquired VW bus. Maybe my calculator is stuck or something!!! ?!!! |
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