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Underbody braces, turbos and more!

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PostPosted: Sun May 04, 2008 3:25 pm 
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Location: St-Ours
Hi there Peoploids!

Can someone please explain this, not that I'm complaining mind you, far from it.

Espresso Nero went through some changes from a wild beast of raceway fury to a mild mannered soft slipper of sorts.
The motor is a 3 cyl. Manual 5 on the floor. I put an XFi cam in it and a 4 cyl final drive unit in the tranny, a 3.43 or something. This winter, with our cold, fuel economy was ho-hum, good, but not great.
At half mark on the fuel guage I usually get 250 km.
Last fill-up was special. The regular gas tanks were defective and the owner gave me the super at the same price, without taking a mortgage on my house.
Soooooooo......I did.
I always stop filling at first click. Low and behold, take a look at the picture. I just can't figure it out. I know that the half fill mark means nothing but let's consider it as a mark of some kind.
Image

Now, is this quite clearly great fuel economy due to the fact that my XFi cam keeps the valves closed longer and thus I have more compression thus and therefore a higher octane is indicated?

I live in a small city quite rural in fact and it takes less than a minute either way to hit open road.
So I consider that my driving is mostly in 4-5th gear. No drag racing starts ever for me. Not since my tricycle accident.
Has anybody a good explanation for this? I thank you in advance (at least 4 degrees).

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PostPosted: Sun May 04, 2008 5:37 pm 
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Joined: Tue Apr 08, 2008 9:08 pm
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Location: Ashtabula, Ohio
I noticed that if I fill up with regular 89 octane, I get about 440 miles out of a tank. When I paid extra for premium 93 octane, I got 510 miles out of the tank which makes me part of the 50MPG club now =)

These engines like premium fuel.

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PostPosted: Sun May 04, 2008 5:50 pm 
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Location: St-Ours
I guess they do.
A buddy admitted that he always uses super in both his geo-swifties......

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PostPosted: Mon May 05, 2008 4:00 am 
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Joined: Thu May 25, 2006 12:45 am
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Location: Vancouver-ish B.C. Canada
I was using Chevron reg.plus, and finding it was way better than regular. recently I have been putting 92 octane Mohawk/Husky with 10% Ethanol blend in, and....WOW!
I found after the second full tank, I was going up hills without downshifting, and even the idle sounded more defined. I could feel a difference in power. Must be at least 5hp gain.
Premium is way more expensive, so I haven't tried it yet. Maybe I should.

I plan on continuing to use the blend exclusively.


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PostPosted: Mon May 05, 2008 4:49 am 
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Location: St-Ours
Thanks Dook.

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PostPosted: Mon May 05, 2008 5:59 am 
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Location: Fort Atkinson WI
My first tank I had well over 200 miles at half tank. Ended up filling up at 400 miles averaging 44.4mpg. These guages are finicky for sure. I'm going to try premium fuel next fill and see what difference I get also.

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PostPosted: Mon May 05, 2008 6:01 am 
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Joined: Sun Apr 22, 2007 4:14 pm
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Location: St-Ours
Thats 321 something kill-o-meters....I'm still amazed. was this a best kept secrert or what?
Should we call Oprah?

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PostPosted: Mon May 05, 2008 6:08 am 
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Joined: Sun Apr 22, 2007 4:14 pm
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Location: St-Ours
I'll see if I can do better.
The rear seat set up is OUT today.
I never have peoploids back there anyway, besides I want to hear the high tones of Cecilia Bartoli. The upholstory muffles them. So does the exhaust and the wheels rolling......you know, come to think of it, it's not such a quiet car.

On the other hand, if I wanted to drive a double bed, there are choices out there.

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PostPosted: Mon May 05, 2008 12:20 pm 
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Joined: Thu Mar 15, 2007 10:23 am
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Location: aa
what kind of driving are you doing? 55mph? I can usually squeeze out 220 miles by the halfway mark on the tank, by going no more than 55mph, and shifting to 5th asap. this is on the vert w/gti body, and standard metro motor.

by the way, how many gallons do you think is at the halfway point on the fuel guage. I dont think the gauges are very accurate. On mine, right after I fill up, I can get about 80 miles before the needle reaches "F", then after that it starts to drop faster. Best I've gotten is 250 miles by halfway point. (with alot of hypermiling)

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PostPosted: Mon May 05, 2008 2:11 pm 
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Location: St-Ours
Yes about that 55-60.
With my final gear from a 4 cyl. i don't get to shift in 5th for quite some time. Now 4th is getting used a lot and 5th acts like a real overdrive.
As for the tank questions. I don't know.

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PostPosted: Mon May 05, 2008 5:22 pm 
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Joined: Tue Oct 24, 2006 3:09 pm
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Location: Palm Springs: Too hot from June to Oct.!
Manutea wrote:
i don't get to shift in 5th for quite some time. Now 4th is getting used a lot and 5th acts like a real overdrive.

:shock: :shock: :shock:

Ditto.

:wink: :wink: :wink:

Once I get over 75 mph/120 kmph, I definitely put it in 5th.

:!: :!: :!:

Downshifts at 65 mph/105 kmph are commonplace.

:lol: :lol: :lol:

Even at speeds exceeding 90 mph/145kmph, the tach never gets over 4500 rpms.

It's a blast to drive
:D :D :D

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Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Mon May 05, 2008 5:30 pm 
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Location: St-Ours
Kooka la shitsa la monga....4500 RPM ?
I've never been there....perhaps in a while in Vanilla Latte with the Turbo......when it gets done...soon....

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PostPosted: Mon May 05, 2008 11:43 pm 
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Location: Palm Springs: Too hot from June to Oct.!
You're GPS post was inspiring.
I'm living for the day when I can bury the speedo in the thing, crank it up to 4750 or more, and see just how fast I'm going. Want to make sure the tires match first... :roll: :roll: ...
Ha!

That's the picture I want to post on your other thread!!!

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
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DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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PostPosted: Tue May 06, 2008 9:05 am 
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Joined: Thu May 25, 2006 12:45 am
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Location: Vancouver-ish B.C. Canada
How is the off the line performance affected with that higher gear? I find it is a dog with slightly taller/heavier snowies on. I don't think I would like it in the city much. I only go about 120kph anyway, 130 if I am in a rush. It is just a little tin can.


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PostPosted: Tue May 06, 2008 9:59 am 
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Joined: Sun Apr 22, 2007 4:14 pm
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Location: St-Ours
Off the line performance? I don't care about that.
It is a delight in stop and go traffic conditions thanks to the XFi cam .

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PostPosted: Tue May 06, 2008 12:54 pm 
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Joined: Tue Oct 24, 2006 3:09 pm
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Location: Palm Springs: Too hot from June to Oct.!
dook wrote:
How is the off the line performance affected with that higher gear? I find it is a dog with slightly taller/heavier snowies on. I don't think I would like it in the city much. I only go about 120kph anyway, 130 if I am in a rush. It is just a little tin can.


Yep, you have to be patient when you are building up speed, especially off the line.
Agree with above; not trying to win a standing quarter mile race with it.
It just has lots and lots of 'top end', so if you want to 'fly' in your 'fly'...

you can 'fly'...

:!: :!: :!:

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DIY Broken Bolt Removal: viewtopic.php?f=22&t=41042
DIY Clutch Adjustment: viewtopic.php?f=9&t=48281
DIY Wheel Bearings: viewtopic.php?f=2&t=29003
DIY Shocks: viewtopic.php?f=10&t=45483
DIY Wheel Align: viewtopic.php?f=2&t=42479
Once you get the cars dialed-in (compression, leaks, bearings, alignment, brakes) swap in new rubber and glass, you've got something which should last for years!


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