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Volvo 850 t5 conversion

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

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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bmdubya1198
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bmdubya1198

Re: Volvo 850 t5 conversion

Post by bmdubya1198 » Mon Feb 05, 2018 9:20 am

I think there have been a couple (max) Megasquirt P80s. It's doable, but not easy. Fortunately it seems the 10 valve cars have less sensors and whatnot, so it might be easier to adapt? I'm not too familiar with standalone ECUs.
Search on Volvospeed and Turbobricks... you're not going to find that level of modification on this forum.
These users thanked the author bmdubya1198 for the post:
Seany27
2000 V70R Venetian Red/Charcoal M56 Swapped 195k
2000 S70 GLT Mystic Silver/Taupe 253k
2003 S60 2.4T Silver/Black 112k
2007 XC90 V8 AWD Sport Titanium Grey/Black 166k
1993 944 Base Beige/Beige 221k
1991 944 Turbo Dark Green/Beige 173k
1992 245 Base White/Beige 249k
Sold-
1998 V70 GLT Black/Beige 199k
1998 S90- Silver/Gray 207k
1995 850 GLT Tropic Green... crushed
2001 S60 2.4T Black/Black 230k
1988 744 Turbo M46 Beige Metallic/Beige 188k

tryingbe
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tryingbe

Re: Volvo 850 t5 conversion

Post by tryingbe » Mon Feb 05, 2018 10:41 am

85 GLH, 367 whp
00 Insight, 72 mpg

Seany27
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Seany27

Re: Volvo 850 t5 conversion

Post by Seany27 » Mon Feb 05, 2018 2:56 pm

Wicked, cheers, just found another company that can bang in a aftermarket ecu, wire and dyno, £1400, may save me some ball ache

tryingbe
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tryingbe

Re: Volvo 850 t5 conversion

Post by tryingbe » Tue Feb 06, 2018 5:45 am

Seany27 wrote:
Mon Feb 05, 2018 2:56 pm
Wicked, cheers, just found another company that can bang in a aftermarket ecu, wire and dyno, £1400, may save me some ball ache
I'd be real careful about it. Do a lot of research on the company. Make sure they document the wiring/parts/everything. I heard way too many horror stories about a person/shop agree to work, took the money, started on the job, never finished the work.

Personally, I would only do these kind of work myself. I want to know exactly what the components are, where they are installed, and how they are installed. Then I can make wiring diagram, learn how the system work, then learn how to troubleshoot.
85 GLH, 367 whp
00 Insight, 72 mpg

Seany27
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Seany27

Re: Volvo 850 t5 conversion

Post by Seany27 » Fri Feb 09, 2018 11:35 am

Cheers, I've had to persephone it, they told me £1250, but it could cost more, I asked if it'll exceed £1700, and they couldn't answer. So for now, I've scored on a limited edition galant, and will proceed with the T5 conversion it time, think I'm going to look for a banged up t5 and take every single piece and put it in the 10v

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abscate
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abscate

Re: Volvo 850 t5 conversion

Post by abscate » Fri Feb 09, 2018 1:27 pm

Are you between Belfast and Derry? One of my kids is in Belfast for work and I seem to recall passing through on a visit a few years back
Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
Link to Maintenance record thread
Link To Volvo Glossary

Seany27
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Seany27

Re: Volvo 850 t5 conversion

Post by Seany27 » Fri Feb 09, 2018 4:30 pm

I am, but out of cash till possibly July, new car needs abit of tidying up

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misha
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misha

Re: Volvo 850 t5 conversion

Post by misha » Sat Feb 10, 2018 4:59 am

Seany27 wrote:
Fri Feb 09, 2018 11:35 am
...think I'm going to look for a banged up t5 and take every single piece and put it in the 10v
My advice is to find banged T5 with good running engine and use parts from 10v to get it on the road.
It would be less of a headache.
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
'91 Citroen XM 2.0 SI /fully equipped/mandarine red metallic
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

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bmdubya1198
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bmdubya1198

Re: Volvo 850 t5 conversion

Post by bmdubya1198 » Sat Feb 10, 2018 7:52 am

misha wrote:
Sat Feb 10, 2018 4:59 am
Seany27 wrote:
Fri Feb 09, 2018 11:35 am
...think I'm going to look for a banged up t5 and take every single piece and put it in the 10v
My advice is to find banged T5 with good running engine and use parts from 10v to get it on the road.
It would be less of a headache.
Agreed.
2000 V70R Venetian Red/Charcoal M56 Swapped 195k
2000 S70 GLT Mystic Silver/Taupe 253k
2003 S60 2.4T Silver/Black 112k
2007 XC90 V8 AWD Sport Titanium Grey/Black 166k
1993 944 Base Beige/Beige 221k
1991 944 Turbo Dark Green/Beige 173k
1992 245 Base White/Beige 249k
Sold-
1998 V70 GLT Black/Beige 199k
1998 S90- Silver/Gray 207k
1995 850 GLT Tropic Green... crushed
2001 S60 2.4T Black/Black 230k
1988 744 Turbo M46 Beige Metallic/Beige 188k

Seany27
Posts: 47
Joined: Thu Dec 14, 2017 12:55 am
Year and Model: 1995 volvo 850
Location: Desertmartin
Has thanked: 3 times
Been thanked: 0
Great Britain
Seany27

Re: Volvo 850 t5 conversion

Post by Seany27 » Sun Feb 11, 2018 7:08 am

Sentimental value on her, the last thing I bought with my dad's inheritance

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