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Comments
-juice
DaveM
Back to Subaru, what, do they baste the wires in au-jus before delivery, or is that part of the PDI process?
-juice
John
My cat loves to chase squirrels. She chases ground hogs too!
To keep this on topic, my cat needs a turbo so she can keep up with the squirrels.
DaveM
Skip the turbo. All she needs is a ridiculous 4.44 final drive.
Plant an Oak Tree. That'll give 'em stuff to chew!
I'm pretty sure I remember that you, like me, have a Miata. Getting all that extra performance out of FXT Plus Sizing to 17" wheels, getting Falken tires, and putting in the 20mm STi rear sway bar, and, of course, feeling that ZOOM (which I've never had in any car I've owned)in FXT, I've been inspired to do a few things to my otherwise stock '94 Miata. I finally did the timing advance trick (I'd known about it for many years) -- WOW big difference. I took off intake resonator box and ziptied the filter to the Air Sensor (turning it towards the driver's fender (a bit more wow and lots more grunt sounds). I need tires so I decided to get some really nice ones instead of the middle of the road Perelli SuperTouring 4000 I've been using. The Miata is a weekend twisty car so the extra $100 or $150 these tires will cost, even though they wear faster, won't cost much per year as I don't put on more than 2-3k miles/yr. I'm getting Toyo Proxes TS-1 (190/60R14), hopefully delivered this afternoon! I'm going to get some swaybars for Miata too. I think I'll get racing beat (they told me not to get tubular in the front because it is too agressive -- the guy on the phone from Racing Beat agreed with me that I might only need the front bar, but I'm think about getting both....
Anyway, to tie this into the FXT: I'm not going to put more money into the Miata than that. At least I don't think so
I was reading a review of Lotus Elise. I just love the way they look! They're going to go for ~$40k . 0-60 in 4.9 seconds. 30-ish mpg "economy". 160 mph top speed. Weighing under 2,000 lbs, they're going to feel like a rocket ship (it's quite a bit smaller than a Miata!)and the handling is supposed to feel like a $200,000 elite racer.
I got the Miata for my 50th birthday. My 60th isn't that far off. Hmmm....
Well, I don't think I need to spend money for the 4.9 0-60. Forty Grand is quite a bit of cash for an extra second or so faster than my FXT. I think the Miata is such a fun car that I don't think the other performance attributes of the Elise are worth spending that $40k either.
So there you go. I just met some people with a new Miata Turbo. Beautiful car. Guess what? FXT is faster -- even though the lighter smaller Miata has 170 HP !!!
It's a nice morning. I might just go for a drive in those twisties. Really, I have a hard time deciding whether to take the Miata or the FXT !!!
Cheers,
Bob
PS: I was just "studying" air/speed looking at CAI's for the Miata. You gain 1 PERCENT HP for each 7 degrees you lower temperature. For 250 HP FXT that means 30* crisp Autumn morning vs. 90* sweltering Summer heat can itself (to say nothing of altitude and other factors) translate into 90-30 = 60 deg./7 = 9. Lets call it 10% instead of 9%. So that's 25 HP difference for FXT just based on the weather! Even though the numbers are "smaller" with the stock Miata, Jackson Racing claims their Forced CAI can yield ~10% gain in HP for a Miata!
Yup, still have the '93 Miata, timing advanced manually to 14 degrees before TDC. You get any ping under load? I do only very occasionally.
She's got a new top, $800 for a Robbins with a glass window.
I'd trade both the Miata and my '98 Forester for a new XT, though!
-juice
-Frank P.
It would be mainly my wife's. She wouldn't know the difference between a 4.44 and a 2.91 final drive.
-Frank P
-Frank P
I'm always up before 4AM. My workday goes from 5A to 5P. <sigh>
Miami: My question, why am I currently using 93, and is there any benefit in using higher Grade Gas, my XT seems to love it, and it's only a few cents more!
In my opinion, purchasing costlier fuel with an octane rating any higher than that which is specified by the vehicle manufacturer is a complete waste of good money. 91 octane will produce all the power your XT is capable of delivering (unless you've modified it...higher boost, etc).
I go in the opposite direction. Subaru has indicated that an XT can operate safely on regular 87-octane fuel, albeit with some loss of performance. Therefore, I have settled on 89-octane mid-grade as the most cost-effective compromise between performance and operating cost. I will probably use 91-octane only during the hottest months of summer or if I take a trip through mountainous terrain.
No, I haven't heard any ping. I did the Miata timing to 14 degrees. I bought a timing light. That way I can play with it; but I heard the gain from moving it towards 18 is marginal and you will need premium, per discussions here, at that setting. I might try to bump it up a bit -- I don't tow with it
I bought the Miata in the Sierra's -- it was snowing that day. Had the top up. The top hasn't been up since then !!!! I took a look at it the other day, for the first time (curiosity, I thought it might have rotted out under the boot or the plastic window gained some permanent creasing (even though it was bedded in a towel), but it was fine -- looks brand new !!!
All you guys worrying about a few hundred bucks on your FXT deals should get a CHASE SUBARU Card -- doesn't take long to get that money back. I get a $100 check for Suby stuff from them every few months now....
Cheers,
Bob
Highway only mileage still stays around 26 mpg, running 75 mph or so. I've had 6-8 tanks that hit 27 mpg (including 3 back to back on one trip for the people that think it must be getting underfilled & that number is an error). Pretty amazing given the performance of the XT...
No crappy "winter" fuel mix in my area to deal with is probably part of the difference compared to what some others see. One other thing that I've seen posted somehwhere is the fuel mixture curve varies a lot depending on rpm - there's a lean spot in the 3,000 rpm area, very rich below & above that. Maybe I'm staying in that rpm area more than some - in this case running at lower rpm's can hurt the fuel economy rather than help.
bstumper - I agree, running at lower RPMs has nothing to do with fuel economy. Most economical cars have high-revving engines and short gearing.
-Frank P
I suppose next you'll switch sides and re-elect the President... <ducking and running>
-Frank P
Still saving my Naval Reserve bucks and looking at summer of '05....best, ez..
-Brian
This was with a/c and NC Interstate speeds (70 mph posted).
-Dennis
-Frank P
Oh man, I'm getting antsy up here on the Fence...
Ed
-Frank P
Edit: As demonstrated by the above post :-)
I'm still convinced that the guys running around at very low rpm's in search of better fuel economy on the XT are the cause of their poorer mileage. Tuners have looked at the fuel/air ratio, it's very rich in the lower rpm range. I stay over 2,500 rpm pretty much all the time around town, and a highway speeds it's over 3,000. It seems to like it...
My last 3 tankfulls were 22.8, 24.8, and 24.4 (summer gas). Before that, I used to get between 21-22 (higher RPMs). And before, I used to get 20-21 (low RPM shifting / driving). The first tank from the dealer was 19 - that was the lowest ever (probably not filled all the way from the dealership).
This is my second turbocharged car, and the MPG vs RPM theory seems to hold true for both. Keep the revs up! :-)
-Frank P.
Viewpoints welcome....
Thanks,
Larry
Jack: Are you comfortably past the break-in period yet? If yes, it might be an interesting experiment to measure your gas milage driving at higher average RPMs.
Ken
I don't doubt that some are seeing worse, just trying to point out a possible reason why. Those of us who are getting better mileage pretty much drive using the same technique - it's not too hard to see a trend there...
tidester, host
-Frank P
Manuals are a lot simpler - the RPM and speed are always linear. When you let up on the gas in a stick-shift car, the RPM's don't drop like they do in the automatic. Conversely, when you step on it, the RPMs don't jump but increase gradually.