• Hi Guest!
    You can help ensure that British Car Forum (BCF) continues to provide a great place to engage in the British car hobby! If you find BCF a beneficial community, please consider supporting our efforts with a subscription.
    There are some perks with a member upgrade!
    **Upgrade Now**
    (PS: Subscribers don't see this gawd-aweful banner
Tips
Tips

What mileage does your TR get - really???

Share this page

I don't have recent figures, as the last time I drove TR on a regular basis was in 1972. However, that TR3 averaged around 30 MPG and peaked at around 35 MPG on the highway. I drove that car from the San Francisco Bay Area to L.A., and North as far as Seattle, several times. Probably a 1993cc engine, though I don't know... and the gas was "real" leaded regular.

I have hopes of doing as well when I start driving "the project." I'll let y'all know, as soon as I know something.
 
My wedge gets about 25 mpg around town, about 32 on the freeway (cruising 70-75). And I don't drive it "easy" most of the time (no fun in that :devilgrin:).
 
BobbyD said:
Paul.........up-shifting at 2000 RPMs?......Sometimes I pull all the way to 3500RPMs when I'm feeling frisky! ;-)
Click to expand...

When I'm feeling frisky in my TR6 I pull all the way to about 5800rpm. Of course when I do that, I'm not thinking at all about miles per gallon, more like smiles per mile. :wink:
 
Brosky said:
[quoteIs it possible that some folks with tunable cars like ours may find they can get more miles per dollar if they tune for premium?]
Click to expand...

The answer to that is yes.

I get about 2-3 more mpg running high test in my 2008 Taurus than the lower grades. The same with my 2006 Ford 500 with AWD. [/quote]

I tried a fuel grade experiment with my TR8. With its low CR I can run the low stuff without issue. So I experimented with the higher grades of fuel to see if it made a difference with my mileage. Mid-grade showed an improvement that made up for the increased cost. Then I tried premium and saw no appreciable change in mileage. I ran three tanks of each between switching grades. As a result, I've settled on using mid-grade for now. As it yielded the best mileage/dollar.
 
The 8 gets about 23 on the highway with 93 in the tank.
The 6 gets about the same.

The 6 gets flogged much harder than the 8 though. I tend to cruise a good 10-15mph faster in it than I do in the 8, and I shift at 5600-5800...
 
Our GT6 gets somewhere around 25-27 MPG on long trips. We don't use it much in town anymore but when we did it hovered around 18-20 MPG.

Whenever I'm filling up one of our LBCs at the gas station someone always has to ask "I bet that thing gets great gas mileage doesn't it? " I know they mean well and are trying to be polite but I do tire of the question. My typical response is "Oh, it gets great mileage for a car built in the 1960s but my Civic gets much better mileage".

If you're looking for methods to improve your mileage without going nuts, invest in a vacuum gauge. You can still drive your car for fun when you want to, but for those times when you want to stretch the gas mileage a bit, keep the vacuum gauge in the corner of your eye and adjust your driving technique to keep the highest vacuum possible (short of decelerating in gear ! )
 
Anywhere from 30-35 mpg, depending on town/highway and other situations, in the Herald (1700 lbs., 40 hp, 1147cc., single carburetor). Unfortunately, that's 93 octane premium. Every so often I try to slip some 91 octane in, but the Herald lets me know about it with some dieseling on shutoff, etc.! I suppose I could try retarding the ignition timing a bit and see if I can get by on the 91, but I suspect the MPG would drop.
 
dklawson said:
If you're looking for methods to improve your mileage without going nuts,
Click to expand...
Always seemed to me that the one shortcoming of the CD design (SU/ZS carbs) is that they lack the equivalent of a power valve. IOW they give the same mixture for the same airflow, no matter if it's large throttle, low rpm; or light throttle, high rpm. But you need a fairly rich mixture at low rpm, for good acceleration and power; while a leaner mixture at cruise would give better gas mileage.

I've always wondered if you couldn't pick up a few mpg by adding a valve that would open a vacuum leak only under cruise conditions.

And of course the lack of vacuum advance for anything made after about 1971 is a kick in the gas, too.
 
Shawn,

I once rode with a guy who was so happy with his gas mileage in his TR6. He had tuned it and I helped him set the timimg after and it ran just great.

I nearly fell asleep on a 15 mile ride. My wife will drive circles around him. During the break in I had to remind her to stay under 4,500RPMS. He never went over 2,500 and it drove me crazy!!!

No wonder his mileage was great!!!
 
I just did a 112 mile round trip to Indina to see Charle's car show. I used 4.8 gallons so my elementry math skills puts me right around 23 MPG but I was honing on the 8 up and down thew hills on route 422 as I was goofing around with a 200? Pontiac GTO. The GTO was impressive and sounded great, just pretty bland on the looks. It was a nice ride lots of hills to enjoy the torque up the hills.
 
Nice roads to do just that on.....I drove many miles on them years ago.

How was the Summer Party?
 
I just went up for the car show on Saturday. A very dissapointing show up on the cars (number wise). The weather was great (a little to much sun maybe). There were some very sweet TR8s there, a very nice Jag, some great 6s and 4s. There was one gentleman who was upset with the fact my 8 is really a clone with a non-factory paint job. I beleive he had a pretty non standard engine him his 8 but it was really sweet and he seem to be Woody's friend so he must be OK. Charles was there with crew making the best of it.

Now 422 has become a pretty decent road, worth driving during the summer, still horrible in the winter.
 
Sadly, as Charles mentioned in his weekly emails a few weeks back, the Summer Party may have run it's course for a while.

Maybe he should bring it back every two/three years or do something a bit different. I know that he hates to see it go because they put so much work into it, but it has to be a financial break even at least, or why do it?
 
I agree with Mark & the Spitfire.My mileage varies according to my driving habit,but on average 32mpg.Considering i don't downshift or backpressure the engine & release the clutch upon comeing to a stop & other habits.,It could reach 35...good driving habits account/equate to good mpg.AND i have been driving the Spit more here lately.
Ken&Whitelightning
 
swift6 said:
BobbyD said:
Paul.........up-shifting at 2000 RPMs?......Sometimes I pull all the way to 3500RPMs when I'm feeling frisky! ;-)
Click to expand...

When I'm feeling frisky in my TR6 I pull all the way to about 5800rpm. Of course when I do that, I'm not thinking at all about miles per gallon, more like smiles per mile. :wink:
Click to expand...

Think of the red-line as a target, not a limitation!

IMHO there's no sweeter sound than the bellow from the TR250 as the needel hits 5k!

Rob.
 
Back
Top