how much power do i want this car to make?
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biohazrd76
- Posts: 80
- Joined: 4 January 2016
- Year and Model: 1997 850R
- Location: pittsburgh pa
Re: how much power do i want this car to make??
I will continue to post here thanks
1997 850 R, black.
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
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mecheng
- Posts: 1271
- Joined: 27 March 2014
- Year and Model: 1998 Volvo S70 T5
- Location: Ontario, Canada
- Has thanked: 15 times
- Been thanked: 21 times
What was causing the 1/2 boost, the chipped ECU?
Abscate is trying to be helpful, this forum is meant for people who are having issues with their car.
Abscate is trying to be helpful, this forum is meant for people who are having issues with their car.
1998 Volvo S70 T5 - SE - 240km - Sold July 2018
1997 Volvo 850 GLT - 190km
Boost is my drug of choice
1997 Volvo 850 GLT - 190km
Boost is my drug of choice
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biohazrd76
- Posts: 80
- Joined: 4 January 2016
- Year and Model: 1997 850R
- Location: pittsburgh pa
Yes, but this is an ecu from a 95 turbo, put into a 97 r. Also the vacuum tree had a 4" long piece of tube going nowhere, used the free nipple for a boost gauge. If anyone Can post a comprehensive diagram of vacuum tree hose routing this would help many people. I would say most half boosting 850s more than likely have a leak in vacuum lines or intake and intercooler hoses. If the car has ANY vacuum escape it will skew the tcv, causing the computer to permanently roll back target boost until it gets a happy reading from the rest of the engines sensors saying "OK to boost" more or less...
1997 850 R, black.
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
- matthew1
- Site Admin
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- Year and Model: 850 T5, 1997
- Location: Denver, Colorado, US
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Uncapped, I presume? If on the other hand it was capped and not cracked, that was not the cause of the leak/reduced boost, something else was.Also the vacuum tree had a 4" long piece of tube going nowhere...
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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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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]
How to Thank someone for their post

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biohazrd76
- Posts: 80
- Joined: 4 January 2016
- Year and Model: 1997 850R
- Location: pittsburgh pa
Let me now take a moment to thank you all. Over the past 10 years of owning these cars I have visited this site countless times. Each time walking away with a new and useful piece of info. Yes the hose was uncapped. And thanks for the diagram.
1997 850 R, black.
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
"I'm bored, I'm gonna go work on the car"
...
"Again?!?"
...
"Again?!?"
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biohazrd76
- Posts: 80
- Joined: 4 January 2016
- Year and Model: 1997 850R
- Location: pittsburgh pa
I figure what better day to take the 850. As a snowstorm approaches the northeast....since the bit of maintenance it's running great. Idle smooth only after warm up. Running on 93 getting excellent mileage considering driver behavior...... Now just that passenger wiper to move again. So desperate to drive only with one working wiper. Tyvek tape over broken headlight lens . Drivers door only opens from outside. Heat stuck on defrost. The little things!!!!!
1997 850 R, black.
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
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Sommerfeldt
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biohazrd76 wrote:I figure what better day to take the 850. As a snowstorm approaches the northeast....since the bit of maintenance it's running great. Idle smooth only after warm up. Running on 93 getting excellent mileage considering driver behavior...... Now just that passenger wiper to move again. So desperate to drive only with one working wiper. Tyvek tape over broken headlight lens . Drivers door only opens from outside. Heat stuck on defrost. The little things!!!!!
If you decide to take out the wiper assembly, make sure you take pics of how it's all aligned. That thing is an absolute PITA to try and get back to normal if it gets f-ed up...
- S
2018 S90 T8 Inscription - glossy black with amber interior and dark as night rear windows.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.
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biohazrd76
- Posts: 80
- Joined: 4 January 2016
- Year and Model: 1997 850R
- Location: pittsburgh pa
Thanks , whatever is broken I can hear it slide inside the cowl on sharp turns !! I'm now finding out no wiper fluid is making it to the nozzles. What a day. In true Volvo fashion all the things you need stop working...
1997 850 R, black.
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
Ipd HD tcv, msd coil pack, ipd HD cbv, ipd stage 1 ecu flash, iridium plugs,heavy gauge plug wires, airbox cover delete, k&N cone filter directly before maf, ipd HD end links.
Graveyard: 1993 850 glt, NA 168 bhp,gold. Hit and run 2009 totaled
1995 850 Turbo, 222 bhp totaled
- abscate
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I think it's going to miss you in Pitt, but DC, PHL, NYC, BOS are screwed
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 XC90-in-Red
Link to Maintenance record thread
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