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1998 S70 T5 cylinder head interchange

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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Bigssherod
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Joined: Fri Jul 13, 2018 9:48 pm
Year and Model: 1998 S70 T5
Location: Willamina or
United States of America

1998 S70 T5 cylinder head interchange

Post by Bigssherod » Fri Jul 13, 2018 10:09 pm

Hello I am new to this form I have a 1998 Volvo S70 T5 with a 2.3 Turbo my head is Warped over 12,000 I am looking for a cylinder head and I was wondering what year and model of car will interchange with my 2.3 Turbo



RickHaleParker
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Re: 1998 S70 T5 cylinder head interchange

Post by RickHaleParker » Fri Jul 13, 2018 10:46 pm

The core charge on these heads is ~$400. Are you planning to swamp it with a pick-in-pull? With a pick-in-pull you would need to check the head for flatness, so there no getting around the $100 for a precision straight edge. If you got a lot of elbow grease and willing to work like an old school man. It is possible to true an aluminum head under the shade tree with simple homemade tools and a precision straight edge. Wet and dry sandpaper will cut aluminum, cut and true the head with wet and dry sandpaper planes.

The head is Volvo part number 8111178. Part number 5003932 with valves included.

Volvo 850 2.3l 5 cylinder Fuel Injected Turbo 1994, 1995, 1996, 1997
Volvo 850 2.3l 5 cylinder Turbo 1995, 1996, 1997
Volvo 850 2.5l 5 cylinder Fuel Injected 1993, 1994, 1995, 1996, 1997
Volvo 850 2.5l 5 cylinder Turbo 1997
Volvo C70 2.3l 5 cylinder Turbo Convertible 1998
Volvo C70 2.3l 5 cylinder Turbo Coupe 1998
Volvo C70 2.5l 5 cylinder Turbo Convertible 1998
Volvo C70 2.5l 5 cylinder Turbo Coupe 1998
Volvo S70 2.3l 5 cylinder Turbo 1998
Volvo S70 2.5l 5 cylinder Fuel Injected 1998
Volvo S70 2.5l 5 cylinder Turbo 1998
Volvo V70 2.3l 5 cylinder Turbo 1998
Volvo V70 2.5l 5 cylinder Fuel Injected 1998
Volvo V70 2.5l 5 cylinder Turbo 1998
Volvo V70 XC 2.5l 5 cylinder Turbo 1998
Last edited by RickHaleParker on Fri Jul 13, 2018 11:11 pm, edited 5 times in total.


1997 S90, B6304S, AW30-42
1998 C70, B5234T3, AW50-42

Bigssherod
Posts: 2
Joined: Fri Jul 13, 2018 9:48 pm
Year and Model: 1998 S70 T5
Location: Willamina or
United States of America

Re: 1998 S70 T5 cylinder head interchange

Post by Bigssherod » Fri Jul 13, 2018 10:59 pm

Wow thank you so much for your help



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FLXC90
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Re: 1998 S70 T5 cylinder head interchange

Post by FLXC90 » Tue Jul 17, 2018 2:31 am

One caution regarding the part number and applications. If you get a head from a non-turbo car, swap the exhaust valves from your turbo head. They are sodium filled in order to deal with the heat from the turbo.


Current Volvos:
1998 V70 T5, 112k sat 5 years, still in mechanical coma
2004 XC90 T6 AWD: 186k, 60 on transaxle
1998 POS70 N/A: DD/training aid, 236k but really about 240k, I think...ABS module

erikv11
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Re: 1998 S70 T5 cylinder head interchange

Post by erikv11 » Tue Jul 17, 2018 8:39 am

Any 94-98 turbo engine, from an 850 or x70.

As per FLXC90, a non-turbo head is not a direct swap. Note that people have done the direct swap, but I wouldn't unless you swap in the exhaust valves from a turbo head. HPT to LPT doesn't matter, they use the same valves.

I would look for for a turbo head, it's pretty simple what works and they should be pretty common in Oregon. Why move over 10 exhaust valves if you don't need to.


'95 854 T5-R || m4.4 || 185k
'96 855 NA || 140k
'98 V70 || T5 tune-injectors-turbo, LPT engine || 275k
'06 S60 R || 145k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 NA S70 174k

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