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1998 S70 T5 Denso Iridium Spark Plugs

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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Which plug for turbo?

Denso Iridium
0
No votes
NGK Iridium
1
4%
NGK Platinum
3
11%
Genuine Volvo whatever fcp groton sells for turbo
14
52%
Other
9
33%
 
Total votes: 27
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erikv11
Posts: 11800
Joined: 25 July 2009
Year and Model: 850, V70, S60R, XC70
Location: Iowa
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Re: 1998 S70 T5 Denso Iridium Spark Plugs

Post by erikv11 »

FR7DPP runs about $7 here, FR7DC about $3.
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6 :shock: 153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k
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Cookeh
Posts: 522
Joined: 14 January 2019
Year and Model: 1996 Volvo 850 T5
Location: Ceredigion, Cymru
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Post by Cookeh »

Blimey. In that case I see why frequent changes of coppers could make sense.
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MoVolvos
Posts: 5270
Joined: 15 January 2012
Year and Model: S&V70XC,S60,C30,XC90
Location: NC
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Post by MoVolvos »

Cookeh wrote: ↑18 Oct 2020, 12:47 Blimey. In that case I see why frequent changes of coppers could make sense.
When I had the 98 S70 T5 I used the copper. In the other cars, both Honda at the time I used the Iridium. They worked great in the Hondas. The engine was peppier and much quieter than what were in there previously. I guess the consensus from reading is copper will not give any problems whereas the others are hit and miss for some people in the HPT's.

Have these in the 03 GS300. Suppose to be lifetime and probably been in the car going on 9 years.
https://extremespark.com/

I can't remember a time I didn't run the highest grade of gas in all the cars though. Never had a CAT replacement in any of the cars due to Emission issues and a few were in the 200K's.

*
Blessings,

BKM


2008 C30 T5 2.0 M66
2007 S60 2.5T - New Project
2003 S80 T6 Transmission DIED
2000 S70 SE Base - New Project
1998 S70 T5 Prior
1989 240 Wagon Prior
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