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98 v70xc turbo upgrade: additional tasks?

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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CIK7
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Year and Model: 1998 Volvo V70 XC
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CIK7

98 v70xc turbo upgrade: additional tasks?

Post by CIK7 » Sun Jan 05, 2020 3:53 pm

I've read the xc has the 13g turbo and can accept the 15 and 16T turbo. Can the XC accept an 18T? Along with the turbo, what else needs to be updated for the larger turbo to be effective? Exhaust manifold, ECU? Ive heard the NA intake manifold/ throttle body are good upgrades for the turbo models. Hole needs to be tapped for extra vacuum line. Can someone please enlighten me with the details of these things and anything important for a 16T upgrade? If the topic already exists, can I please get a link?
1998 V70 XC black ($1K trade, Mi:145K, immaculate, selling electric driver seat, PM me)
1998 V70 XC white ($50 cash, Mi:unknown, dead, is the donor for my black one)

Future upgrades: 16T, logo/badge delete excl grille

If you have a 98-00 V70, interested in 'interior remodeling' ideas, PM me. My remodel: Satin nickel on dark walnut stained wood with shiny gray shag.

ecbsykes
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ecbsykes

Re: 98 v70xc turbo upgrade: additional tasks?

Post by ecbsykes » Sun Jan 05, 2020 8:57 pm

I upgraded my 2000 XC with a 16T. Also done was cold air intake, Snabb intake piping, 3" downpipe, RIP kit, and dual exhaust system (all on a 280K car, haha!). The ECU was tuned by Hilton Tuning (mine is ME7, yours is a 98 so a bit different, I'm not as familiar).You definitely need a tuned ECU to take advantage of the turbo, or else you're wasting your time.

16T is a good compromise without having to do a lot of work. I'm running my tune with about 16 PSI and all seems well. More than that I think would be pushing it without some engine work, although the LPT engines are very robust. That being said, the 99-2000 engines are updated and can handle more than a 98.

Also, hello from Oklahoma as well. If you're near Tulsa, I know a shop that is legit and can help with repairs/upgrades.
2000 V70XC - 295,000 miles
Hilton Tune, 16T Turbo, Mototec 3" downpipe, Blue injectors, IPD Short Ram Filter, Snabb Intake Piping & RIP kit, do88 Intercooler, TME Dual Exhaust, HID Projectors, R Panels, do88 Silicone Hoses

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CIK7
Posts: 187
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Year and Model: 1998 Volvo V70 XC
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CIK7

Re: 98 v70xc turbo upgrade: additional tasks?

Post by CIK7 » Sun Jan 05, 2020 10:32 pm

ecbsykes wrote:
Sun Jan 05, 2020 8:57 pm
I upgraded my 2000 XC with a 16T. Also done was cold air intake, Snabb intake piping, 3" downpipe, RIP kit, and dual exhaust system (all on a 280K car, haha!). The ECU was tuned by Hilton Tuning (mine is ME7, yours is a 98 so a bit different, I'm not as familiar).You definitely need a tuned ECU to take advantage of the turbo, or else you're wasting your time.

16T is a good compromise without having to do a lot of work. I'm running my tune with about 16 PSI and all seems well. More than that I think would be pushing it without some engine work, although the LPT engines are very robust. That being said, the 99-2000 engines are updated and can handle more than a 98.

Also, hello from Oklahoma as well. If you're near Tulsa, I know a shop that is legit and can help with repairs/upgrades.
Somewhere I read that a t5 ECU was used with the 16T turbo on a non-T5 V70. Can I use the T5 ECU? Although I do understand mine is the 2.4, not the 2.3. Yeah mine comes with the Motronic 4.4 or whatever they call it. Is there a budget-minded way to get a good tune for a 16T upgrade? What does LPT stand for? You've got dual exhaust? Does that mean you got 2 exhaust manifolds on 1 side or just 1 exhaust that splits after the cat? I'm a long way from Tulsa, from anywhere for that matter. In between Dallas, Tulsa, OKC, Ft Smith, and Texarkana. Antlers.
1998 V70 XC black ($1K trade, Mi:145K, immaculate, selling electric driver seat, PM me)
1998 V70 XC white ($50 cash, Mi:unknown, dead, is the donor for my black one)

Future upgrades: 16T, logo/badge delete excl grille

If you have a 98-00 V70, interested in 'interior remodeling' ideas, PM me. My remodel: Satin nickel on dark walnut stained wood with shiny gray shag.

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CIK7
Posts: 187
Joined: Mon Jan 14, 2019 8:15 am
Year and Model: 1998 Volvo V70 XC
Location: Oklahoma
Has thanked: 35 times
Been thanked: 1 time
United States of America
CIK7

Re: 98 v70xc turbo upgrade: additional tasks?

Post by CIK7 » Sun Jan 05, 2020 10:34 pm

So can I use the NA intake manifold and throttle body as I've heard being said before?
1998 V70 XC black ($1K trade, Mi:145K, immaculate, selling electric driver seat, PM me)
1998 V70 XC white ($50 cash, Mi:unknown, dead, is the donor for my black one)

Future upgrades: 16T, logo/badge delete excl grille

If you have a 98-00 V70, interested in 'interior remodeling' ideas, PM me. My remodel: Satin nickel on dark walnut stained wood with shiny gray shag.

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erikv11
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Year and Model: 850, S/V70, 06 S60R
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erikv11

Re: 98 v70xc turbo upgrade: additional tasks?

Post by erikv11 » Mon Jan 06, 2020 10:15 am

Budget-minded way for a 16t upgarde: get white injectors and a 98 T5 ECU from the junkyard, make sure the emissions on your car match the donor car so you don't get a constant CEL.

Another budget-minded way but a little more complicated: get white injectors and any m4.4 turbo ECU from the junkyard, then tune the ECU to match the emissions equipment on your car.

Oh and blue injectors are the same as whites, but whites are more plentiful at the junkyard.
'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 145k
'98 S70 NA, 220k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 285k
'06 S60 R, 160k
gone: '96 NA 850 210k, '98 NA V70 182k

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