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DonnieDarko
Samba Member
Joined: September 06, 2008
Posts: 884
Location: Monroe, NC
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 Posted: Thu Sep 25, 2008 3:02 pm Post subject: How much MPG do you get? |
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Whatever motor you have, what kind of gas mileage do you see with reasonable driving habits?
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1974 Volkswagen Super Beetle - Daily Driver/Rolling Project Beater - Stock w/ GT Style Exhaust
1972 Volkswagen Bus - Project
1970 Volkswagen Standard Beetle - Baja Project
I pick cheap and reliable. |
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Sigurd
Samba Member
Joined: April 18, 2006
Posts: 2639
Location: Rockford, IL
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| Posted: Thu Sep 25, 2008 3:19 pm Post subject: |
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| I have a 1600 singleport. I drive to work on Friday (100 miles at 55-60mph) and then bomb around town on the weekend. This cycle happens two weekends in a row. I average 28mpg. |
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krusher
Samba Member
Joined: September 24, 2002
Posts: 7652
Location: europe
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| Posted: Thu Sep 25, 2008 4:00 pm Post subject: |
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54 bus (straight axel, 60mph@ 3000rpm), 74x88 1800 110hp.
26mpg average, 30mpg highway (Not tuned up yet expecting more)
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(06:31:07) RoachGhia: "i drink dick way too fast" |
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glutamodo 
The Android
Joined: July 13, 2004
Posts: 26310
Location: Douglas, WY
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Eaallred
Samba Member
Joined: May 18, 2003
Posts: 5756
Location: West Valley City, Utah
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| Posted: Thu Sep 25, 2008 5:02 pm Post subject: |
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My 62 panel I just sold got 31.11 miles per gallon on the last long distance drive I did with it.
1600 single port
Stock gearbox and small nut reduction boxes
65mph @ 4000 rpm the whole way.
I had that SOB tuned reeeeeel good. 
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Eric Allred
You have to remember something: Everybody pities the weak; Jealousy you have to earn. |
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SkrapMetal
Samba Hornblaster
Joined: January 18, 2006
Posts: 2558
Location: Dallas, TX
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| Posted: Thu Sep 25, 2008 5:48 pm Post subject: |
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1600dp, Bosch 010, 25 mpg, I drive like an old lady.
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oo9less since 2007
-72 Ghia- |
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BugMan114
Samba Member
Joined: March 22, 2007
Posts: 3744
Location: Ellenwood, GA
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| Posted: Thu Sep 25, 2008 6:29 pm Post subject: |
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I got a stock 1600 dp on a 74 super, with the only mods are a blue coil, and stinger exhaust. I also have an 009 dizzy on it, and i get 30-30.5 mpg city. i drive normally, and always cruise at around 50mph, and never "floor it" when i get to a hill, or green light. You would believe it, but my mileage drops to about 25-26 when i haven't changed my oil, and it gets black and nasty looking. I always change my oil frequently and keep it clean. Also i rebuilt my motor a few years ago, and its not leaking a drop of oil.
And i'm not sure if this helps any, but i have no rear decklid. So i never have any problems with cooling. the engine always stays nice and cool, and runs perfect.
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1974 Super Beetle: Custom resto in progress
1972 Super Beetle: Daily Driver
1971 Std. Beetle w/ 1929 Mercedes Benz Gazelle kit
1960 Baja Bug
1969 Baja Bug
Sand Rail- Homemade
Sand Rail- FUBAR
Aircooled Airheads
Why the hell do they call it a gland nut. its obviously a big fat bolt!!! |
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Howard 111
Samba Member
Joined: July 09, 2005
Posts: 1827
Location: Virginia
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| Posted: Thu Sep 25, 2008 6:44 pm Post subject: |
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I have a 2007 cc, FI / Turbo '73 Ghia, and have only run 110 octane race gas in it. I have no idea what the MPG is, but damn it's fun. 
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popason
Samba Member
Joined: November 22, 2007
Posts: 264
Location: Kosmos Cement Louisville Ky
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| Posted: Thu Sep 25, 2008 6:59 pm Post subject: |
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Stock 1600 Dp H30/31 pict 205T distributor 28 mpg.
I drive 100 miles round trip every day and I run anywhere
between 55 and 70 mph just to keep up with traffic.
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72 Ghia
Not even duct tape can fix stupid! |
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Eaallred
Samba Member
Joined: May 18, 2003
Posts: 5756
Location: West Valley City, Utah
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| Posted: Thu Sep 25, 2008 8:15 pm Post subject: |
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| Howard 111 wrote: |
I have a 2007 cc, FI / Turbo '73 Ghia, and have only run 110 octane race gas in it. I have no idea what the MPG is, but damn it's fun.
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I think that's rated SPG. Smiles Per Gallon. 
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Eric Allred
You have to remember something: Everybody pities the weak; Jealousy you have to earn. |
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Hotrodvw
Samba Member
Joined: July 06, 2004
Posts: 6327
Location: Orygun
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| Posted: Thu Sep 25, 2008 10:11 pm Post subject: |
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My 1641 w/ 40mm DRLA's got 34 on a road trip. Sea level to 8k ft., but kept it mostly around 55mph max.
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'67 Sunroof
Eric
78x94 with IDA's....oober fun
Horsepower is an addiction........Addictions cost
lots of money!
Hose & Fittings |
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madmike
Samba Member
Joined: July 11, 2005
Posts: 5292
Location: Atlanta,Michigan
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| Posted: Fri Feb 03, 2023 9:14 pm Post subject: Re: How much MPG do you get? |
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I'm bored, dug this up
My Turbo bug gets 28 MPG and I do boost it( 15lbs), Like on the way to a car show ,if I see a vette or a stang ahead of me I gotta pass'em  I live in a rural area so not to much traffic Specs: cuz somebody's gonna ask,lol Cruising afr is 15-16 ish
2180 cc thick walls
Scat crank carillo rods
FK 10 w/autocraft 1:25's
044 42x37.5 ported, welded stockends matched intakes
RLR carb manifold w/heated oil
680 Quick fuel carb jets are 68p 98s
CarCraft Header 1 1/2" Coated
T3/t4 ebay turbo I've tried a few diff sizes and this one sounds the best,Guys uptown can hear me coming , and I'm not boosting but u can hear it whining, it did that from day one and it's been on there for a couple seasons now.
Snow w/meth 2 stage System, just using one nozzle for now.Haven't bought race gas in a couple years! Just BP premium, I race with same pump gas 3:88 super diff, stock geared Z case Trans with the 'fine tooth' dot 215 cheater slicks 0r 195 x 15's 3rd&4th. Cheers,Mike
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'Black Ice'Drag Buggy 'Turbo'
Rail Buggy 1915 turbo
76 Drag/Street bug 2180cc 'Turbo' 11:85 @113 mph"If I go any faster I'll burn up the Hamster" ,gets 28 mpg. also 10/09/22 11.90 @115 mph
"If I'm ever on Life Support,UNPLUG Me, Then Plug me back In see if that Works"
Last edited by madmike on Sat Feb 04, 2023 11:41 am; edited 1 time in total |
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oprn
Samba Member
Joined: November 13, 2016
Posts: 12709
Location: Western Canada
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| Posted: Sat Feb 04, 2023 7:35 am Post subject: Re: How much MPG do you get? |
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I just spent a couple hours going through a bunch of these old MPG threads. I am amazed at how much interest there has been in this subject over the years. I am also surprised at the wide variation in people's mileage results. It seems that there really is no magic formula for better fuel economy. Some engines are good and some not so much.
This is a subject that has held my interest as long as I have owned a car, much more so now that I am on a fixed income and the fuel suppliers are quite obviously not! Stretching my travel dollar is becoming paramount!
In the summer we very much enjoy taking our open bodied Manx clone on extended road trips especially through the mountain passes. It's an unparalleled way to see this great planet we live on! However... our Jetta gets 62 mpg and our 944 gets 35 mpg so it is getting harder and harder to justify taking the Buggy which only gets in the high 20's at best!
I built this engine with the goal in mind to have enough power to stay at the posted speed limits without unduly holding up traffic and at the same time get the best fuel economy possible. I accomplished the first goal nicely but the second has been elusive to say the least.
The specs on the engine are:
66mm x 96mm for 1911cc
crank trigger ignition, 10* initial, 31* total with 10* light cruise additional advance
very mild Web cam
stock 1700 heads opened up a bit to keep the CR down to 8.4/1 for 87 octane fuel
Dual IDFs, tuned mid 13 AFR under power, 15.5 - 16 AFR at cruise
Stock '67 swing axle gearing and 24" tall rear rubber.
3000 rpm at 60 mph
Drum brakes all around properly adjusted.
car weighs 1,432 pounds
The best mileage so far is 29.9 mpg (Imperial gallons), normally it's around 26 - 28 mpg. My gut feeling is that a car that light should get 35 mpg. I seem to have hit the wall on any further gains. Perhaps the larger displacement is the problem or is it the type 4 combustion chamber shape combined with the 96mm bore?
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We had the stone age, the bronze age, the industrial age and now we are in the age of mass deception and mind control for corporate profit. (The mass media age) |
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Lingwendil
Samba Member
Joined: February 25, 2009
Posts: 3988
Location: Antioch, California, a block from the hood
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| Posted: Sat Feb 04, 2023 8:50 am Post subject: Re: How much MPG do you get? |
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73 super, stock trans, 195/65 tires
1776cc
steve tims 37x32 "super stock" heads
CB2239 cam
9-1 static CR
dual 40IDF clones, 28 vents, 47 idles, 120 mains
VJU4BR8/040 SVDA distributor
Vintage speed superflow/sport exhaust, stock heater boxes
29-31 average highway MPG with highest measured yet being 33MPG, maybe 25 around town/commuter traffic. Cruise at 70-75MPH on the highway, with spirited driving around town like a teenager
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73 super beetle thread http://www.thesamba.com/vw/forum/viewtopic.php?t=649622 Back on the Road!
Modify your Kadrons for SVDA http://www.thesamba.com/vw/forum/viewtopic.php?p=8115884#8115884
Cast iron VJU4BR8 SVDA reference thread- https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0
Need replacement filters for original Kadron aircleaners? WIX #42087 is a perfect fit, as is Napa Gold #2087!
Last edited by Lingwendil on Sat Feb 04, 2023 11:30 am; edited 1 time in total |
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nextgen
Samba Member
Joined: August 19, 2004
Posts: 6025
Location: CONGERS, N.Y.
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Alstrup
Samba Member
Joined: July 12, 2007
Posts: 7212
Location: Videbaek Denmark
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| Posted: Sat Feb 04, 2023 10:02 am Post subject: Re: How much MPG do you get? |
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Not mine. A customer of mine.
1974 Sparkäfer with a 4,125 transmission.
1600 engine with a 2280 cam, heads by me, 9-1 CR (for 98 octane Euro fuel) CB center section, 34 Solex with 28 mm venturi. VS sport muffler.
40 mpg @ 90 kmh cruise.
29,6 mpg @ 120 kmh (75 mph)
Another customer has a 1974 Super beetle (1303) with a 3,88/ 0,89 transmission. 1914 stocker plus with SS pistons. Raptor 0608 camshaft (240 @ 0,050" ) 37,5 x 33 mm valves. 10,5 CR. 37 mm RMB Solex, CB Black box on a locked 009. CSP Super comp exhaust. 106 hp. Does a solid 32,5 mpg @ 75 mph. and 29-30 mpg around town, Unless he is on the loud pedal all the time.
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https://www.thesamba.com/vw/forum/viewtopic.php?t=435993 |
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Janne71
Samba Member
Joined: September 29, 2015
Posts: 127
Location: Sweden
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| Posted: Sat Feb 04, 2023 11:49 am Post subject: Re: How much MPG do you get? |
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| Alstrup wrote: |
Not mine. A customer of mine.
1974 Sparkäfer with a 4,125 transmission.
1600 engine with a 2280 cam, heads by me, 9-1 CR (for 98 octane Euro fuel) CB center section, 34 Solex with 28 mm venturi. VS sport muffler.
40 mpg @ 90 kmh cruise.
29,6 mpg @ 120 kmh (75 mph)
Another customer has a 1974 Super beetle (1303) with a 3,88/ 0,89 transmission. 1914 stocker plus with SS pistons. Raptor 0608 camshaft (240 @ 0,050" ) 37,5 x 33 mm valves. 10,5 CR. 37 mm RMB Solex, CB Black box on a locked 009. CSP Super comp exhaust. 106 hp. Does a solid 32,5 mpg @ 75 mph. and 29-30 mpg around town, Unless he is on the loud pedal all the time. |
That’s awesome numbers on a 1600. I’m rebuilding a 1600 with 2280 and heads from mr Lundgren. We all need to see more mpg in this days … |
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vwracerdave
Samba Member
Joined: November 11, 2004
Posts: 15303
Location: Deep in the 405
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| Posted: Sat Feb 04, 2023 12:00 pm Post subject: Re: How much MPG do you get? |
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MPG is more than just the engine or what R&P gear you use. Aerodynamics are huge. MPG suffers badly when driving anything faster than 55-60 MPH.
Way back in the late 1980 when my 73 Bug was less than 8 years old I remember getting 33-34 MPG on a road trip driving 50-55 MPH.
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2017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OK
2010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KS
1997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OK
Featured in Dec. 2001 HOT VW's Magazine page 63
Watch my racing video's http://www.youtube.com/user/okvwracer/videos |
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Alstrup
Samba Member
Joined: July 12, 2007
Posts: 7212
Location: Videbaek Denmark
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| Posted: Sat Feb 04, 2023 12:36 pm Post subject: Re: How much MPG do you get? |
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| Janne71 wrote: |
That’s awesome numbers on a 1600. I’m rebuilding a 1600 with 2280 and heads from mr Lundgren. We all need to see more mpg in this days … |
If people would just do decent builds/rebuilds instead of slapping together what happens to be on sale that week AND actually get their engines dialed in afterwards, 70% of the vehicles out there, VW´s or V8´s could improve drasticly on fuel efficiency.
When we get cars in for tuning and/or tune ups on the dyno we calculate with 6 out of 10 being "horrible" and need quite a bit of work. 3 out of 10 being fair, and 1 out of 10 being so good that we can only do minor improvements if any.
I remeber one Chevelle with a stroker engine, (393, - 396, something like that) where the owner thought it was pretty good as was My colleague found another 102 hp in it! plus 2,6 mpg on cruise. I kid you not.
Dave also has a point. Choice of wheels, proper alignment, choice of both gear- and engine oil etc etc and of course speed has an impact. But a properly set up type 1 with a not too agressive or too big engine should relatively easy be able to be tuned to do 28 mpg on a 75 mph cruise.
But, I will give you this much. Getting an engine into a proper tune has not gotten easier over the years since we are basicly stuck with shitty Weber style carbs for the tuning world. They can be quite the handfull to get right even for an experienced tuner. I/we have been pulling the leg of one of the bChinese factories which make one of the better copies to make a "deluxe" version of the IDF with a 5th progression hole, and possibly a Tri jet function, which could, and would make us capable of jetting them as good as old Italian Dellorto carbs. The Tri jet is most likely not happening, but the 5th progression hole could end up happening. That´s at least a step of the way.
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k@rlos
Samba Member
Joined: October 04, 2012
Posts: 485
Location: Suffolk, England
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| Posted: Sat Feb 04, 2023 1:17 pm Post subject: Re: How much MPG do you get? |
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| 1970 baywindow westfalia pop-top, 2276, Ida’s and built 091 box with 215/60 15 rear wheels: I’ll get 20-22 mpg on a long trip, in town however it’s terrible and I’ve not worked it out 🤣 but you don’t have an ida motor if economy is your primary goal |
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