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Volvo S70 98 K5.2 ECU in volvo 850R

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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erikv11
Posts: 9599
Joined: Sat Jul 25, 2009 2:03 pm
Year and Model: 850, S/V70, 06 S60R
Location: Iowa
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erikv11

Re: Volvo S70 98 K5.2 ECU in Volvo 850R

Post by erikv11 » Mon Jun 19, 2017 6:26 pm

arturjarn1 wrote:
Mon Jun 19, 2017 4:33 pm
...
So basically, i ordered the ECU, ? it just needs a 4.4 flash,new remap that will suit my setup under the hood and im golden? Is that correct? Ive only been a Volvo owner for about a half a year and was only fixing it and restoring it before any big tuning upgrades, so please forgive me if i dont know what im talking about! Cheers ! And a pic of my car!
Great looking car!

Basically, you have it right. But I would go cautious on the remap, it's no fun bending rods.

Even someone with minimal experience would be able to flash the base tune no problem, which may be a good match for what you have under the hood. Nowadays there are many, good tuners around. As far as matching any modifications under your car's hood, you'll have to find out if your Estonian guy knows his stuff or not. It seems like it is hard to match a tune to a modified vehicle and get it right the first time - probably better if the tune is monitored in the car to test the match. Volvospeed users do a lot of tuning, check out their performance section if you want to learn more.
'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, 165k
'99 Camry V6 :shock: 125k
gone: '96 NA 850 210k, '98 NA V70 182k

arturjarn1
Posts: 10
Joined: Wed Mar 29, 2017 1:09 am
Year and Model: 1996 850R
Location: Estonia, Rakvere
Has thanked: 1 time
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Estonia
arturjarn1

Re: Volvo S70 98 K5.2 ECU in Volvo 850R

Post by arturjarn1 » Tue Jun 20, 2017 7:25 am

erikv11 wrote:
Mon Jun 19, 2017 6:26 pm
arturjarn1 wrote:
Mon Jun 19, 2017 4:33 pm
...
So basically, i ordered the ECU, ? it just needs a 4.4 flash,new remap that will suit my setup under the hood and im golden? Is that correct? Ive only been a Volvo owner for about a half a year and was only fixing it and restoring it before any big tuning upgrades, so please forgive me if i dont know what im talking about! Cheers ! And a pic of my car!
Great looking car!

Basically, you have it right. But I would go cautious on the remap, it's no fun bending rods.

Even someone with minimal experience would be able to flash the base tune no problem, which may be a good match for what you have under the hood. Nowadays there are many, good tuners around. As far as matching any modifications under your car's hood, you'll have to find out if your Estonian guy knows his stuff or not. It seems like it is hard to match a tune to a modified vehicle and get it right the first time - probably better if the tune is monitored in the car to test the match. Volvospeed users do a lot of tuning, check out their performance section if you want to learn more.
Ye, i know that B5204T(my engine) internals are not good as 2.3's but i would like to try to press out 247 hp, like the normal R has! not like mine italian version that has only 210, i read somewhere u can push thoes 2.0's 270 hp but it will be really tough on the engine, in the future il build a engine with forged internals and stuff like that! And the guys who tunes volvos in estonia, he has tuned more than enough of volvos, and he owns i think a fastest S60R in estonia, and everybody says he does a great job!

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