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5000 mile trip ahead for my S70!

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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vjaneczko
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Re: 5000 mile trip ahead for my S70!

Post by vjaneczko »

mjbrox wrote:better yet, get a real spare
For you 855 owners; real spares do not fit in a wagon with the 3rd row option!
"He attacked everything in life with a mix of extraordinary genius and naive incompetence, and it was often difficult to tell which was which." - Douglas Adams

1997 855 GLT - R.I.P.
2006 S60R - For ME!

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matthew1
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Post by matthew1 »

IVIUSTANG wrote:The trip is done without a hitch; it was awesome. Here's the good news, my best tank was 1190 KM and my second best was 1130, my average tank lasted about 900 KM. I averaged a speed of about 116 KPH.
my best tank was 1190 KM = 739.4 miles
my second best tank was 1190 KM = 702.1 miles
I averaged a speed of about 116 KPH = 72.0 mph

739 miles divided by 18 gallons is 41 mpg. That would set the MVS record, by a wide margin. Are you sure?
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1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

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vjaneczko
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Post by vjaneczko »

matthew1 wrote: 739 miles divided by 18 gallons is 41 mpg. That would set the MVS record, by a wide margin. Are you sure?
Maybe it was all downhill - both ways :lol:
"He attacked everything in life with a mix of extraordinary genius and naive incompetence, and it was often difficult to tell which was which." - Douglas Adams

1997 855 GLT - R.I.P.
2006 S60R - For ME!

polskamafia mjl
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Post by polskamafia mjl »

I can believe it. Under the right conditions these engines are incredibly fuel efficient.
'All my money is gone and I have an old Volvo.' - Bamse's Turbo Underpants

Current: 1995 Volvo 850 T-5R Manual - Bringing it back from the brink of death
Previous: 1996 Volvo 850 GLT - Totaled

IVIUSTANG
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Post by IVIUSTANG »

matthew1 wrote:
IVIUSTANG wrote:The trip is done without a hitch; it was awesome. Here's the good news, my best tank was 1190 KM and my second best was 1130, my average tank lasted about 900 KM. I averaged a speed of about 116 KPH.
my best tank was 1190 KM = 739.4 miles
my second best tank was 1130 KM = 702.1 miles
I averaged a speed of about 116 KPH = 72.0 mph

739 miles divided by 18 gallons is 41 mpg. That would set the MVS record, by a wide margin. Are you sure?
Yeah I'm sure, maybe my combination of MOS2 and Amsoil synthetic with my K&N air filter are paying off? I got my best tanks cruising at 60 MPH in the mountains with my A/C off, coasted down hills and gently accelerated up them, it was rolling. I got both of my best tanks on the same road going opposite directions; they were anomalies but still repeatable. It was 37C or 98.6F at the time of the best tank.

- Jesse
1998 S70 T5 SE 290,000 KM sideswiped total loss(Sweet ride!)
2007 S60 2.5T loaded 63,000 KM SOLD!
2006 XC70 350,000 KM, 2" BadSwede lift kit, steel skidplate, Hilton Stage 1 tune, big burly tires :D
2008 S80 V8 245,000 KM SOLD!
2015 V60 T5 Premier+ 98,000KM

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matthew1
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Post by matthew1 »

It's my job to challenge claims here :-). At 60mph I'd say you're operating at just about the most efficient speed in these cars, the very top of the speed vs. mpg chart, according to my seat of the pants analysis over the years. And your car is in top tune judging by your posts here. I've gotten 38.8 mpg over 10 miles.

You've always been a levelheaded, intelligent user here so I have no reason to disbelieve your numbers. If this was your first post I'd be very skeptical.

Here's the MOS2 topic for others to get background on this additive.
Help keep MVS on the web -> click sponsors' links here on MVS when you buy from them.

Also -> Amazon link
. Click that when you go to buy something on Amazon and MVS gets a cut!

1998 V70, no dash lights on

1997 850 T5 [gone] w/ MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace

2004 V70 R [gone]

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9394volvo850s
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Post by 9394volvo850s »

1190Km per tank is very good in a turbo 5 cyl volvo. My 93 5 speed regularly gets over 550 miles to a tank city highway. my best yet is 608 on a tank. My 94 turbo gets 360 to 415 miles on a tank depending.
93 850 5spd 320k (the daily)
94 850 T5 190K (race car)
95 T-5R wagon yellow (summer wag)
90 745 5spd 295k (winter wag)
67 122 2 door 4spd 69k :))

IVIUSTANG
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Post by IVIUSTANG »

:) I just got back from another trip today, at an average speed of 82 MPH and with A/C on, with a HEFTY tailwind, I got over 50 MPG on a full tank, I would imagine the tailwind wind was at 30 MPH+

- Jesse
1998 S70 T5 SE 290,000 KM sideswiped total loss(Sweet ride!)
2007 S60 2.5T loaded 63,000 KM SOLD!
2006 XC70 350,000 KM, 2" BadSwede lift kit, steel skidplate, Hilton Stage 1 tune, big burly tires :D
2008 S80 V8 245,000 KM SOLD!
2015 V60 T5 Premier+ 98,000KM

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instarx
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Post by instarx »

Not saying anything about what you believe, but >50 mpg at 82 average mph for a full tank is outside the envelope of believability for me, tailwind or no. Even if the gallons were imperial.
2011 XC70 T6 - current
2017 Alfa Romeo Giulia Q2 - Totaled in 2022. Not my fault.
2011 XC60 - sold
2000 V70XC - given to a friend, wish I still had it.

JRL
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Post by JRL »

IVIUSTANG wrote::) I just got back from another trip today, at an average speed of 82 MPH and with A/C on, with a HEFTY tailwind, I got over 50 MPG on a full tank, I would imagine the tailwind wind was at 30 MPH+

- Jesse
Bull Sh&t!
Unless the tailwind also included going DOWNHILL I also will challenge that
Mod note. Jim passed away in early 2022, his contributions to this forum are immortal, and he is missed. RIP

2000 V70R Black, 144,000 miles Wife's R.
2007 V70 2.5T White/Oak 111,000 MILES. Polestar tune, IPD bars, rear spoiler, dark grey Thors, DWS 06, HU850, sub.

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