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{{Infobox engine
The '''B30''' is a [[Straight-six engine]] with [[OHV|overhead valves]], produced by [[Volvo Cars|Volvo]] starting in 1968 and used primarily in the [[Volvo 164]] sedan from 1969 through 1975. It was also used in the [[Volvo C303]] military vehicle. Other applications include marine, industrial, and agricultural machinery and powercraft. Piston displacement is {{convert|2978|cc|cuin|0}}. The B30 was realised by adding 2 cylinders to the 4-cylinder [[Volvo B18 engine|B20]] engine and many components are shared between the B30 and B20. Output ranged from {{convert|130|bhp|kW|0}} from the B30/B30A twin [[carburettor]] version to {{convert|160|bhp|kW|0}} from the higher-compression B30E [[fuel injection]].
| name = Volvo B30
| image = 1975 Volvo 164E hood open.jpg
| manufacturer = [[Volvo]]
| aka =
| production = 1969–1975
| predecessor =
| successor =
| configuration = [[Straight-six engine|Inline-6]]
| displacement = {{cvt|2979|cc|L cuin|1|order=flip}}
| bore = {{cvt|88.9|mm|in|1}}
| stroke = {{cvt|80|mm|in|2}}
| block = [[Cast iron]]
| head = Cast iron
| valvetrain = [[Overhead valve engine|OHV]]
| compression = 8.7:1, 9.3:1, 10.0:1
| supercharger =
| turbocharger =
| fuelsystem = {{ubl|[[Zenith Carburettor Company (British)|Zenith]]-[[Stromberg carburettor]] (B30A)|[[Fuel injection]] (B30E/F)}}
| management = [[Robert Bosch GmbH|Bosch]] [[Jetronic#D-Jetronic_(1967–1979)|D-Jetronic]]
| fueltype = [[Petrol engine|Petrol]]
| oilsystem = [[Wet sump]]
| coolingsystem = [[Radiator (engine cooling)#Automobiles and motorcycles|Water-cooled]]
| idle = 900&nbsp;rpm<ref name="engine-specs"/>
| redline =
| power = {{ubl|{{cvt|120|hp|kW|1}} at 5000 (min)|{{cvt|175|hp|kW|1}} at 5800 (max)}}
| specpower =
| torque = {{ubl|{{cvt|142|lbft|Nm|0}} at 3000 (min)|{{cvt|178|lbft|Nm|0}} at 2500 (max)}}
| length =
| width =
| height =
| diameter =
| weight =
| emissions level =
| emissions control =
}}


The '''B30''' is an [[straight-six engine|inline-six]] [[automotive]] [[petrol engine]] produced by [[Volvo Cars|Volvo]] starting in 1968. It was used primarily in the [[Volvo 164]] sedan from 1969 through 1975. The engine also appeared in military, marine, industrial, agricultural, and powercraft applications.
[[File:1975_Volvo_164E_hood_open.jpg|thumb|left|Volvo B30F engine in 1975 Volvo 164]]
There are 3 variations of this engine:
* '''B30A''': 9.3:1 Compression. Twin Zenith-Stromberg 175CD2SE sidedraught CD [[carburetor]] version - {{convert|130|bhp|kW|0}}. First produced 1969. Originally called B30 was renamed B30A with the introduction of the B30E & B30F.
* '''B30E''': 10.5:1 Compression. Electronic [[Jetronic#D|D-Jetronic]] Fuel Injection - {{convert|160|bhp|kW|0}}. First produced 1972.
* '''B30F''': 8.7:1 Compression. Electronic [[Jetronic#D|D-Jetronic]] Fuel Injection - {{convert|145|bhp|kW|0}}. First produced 1972 for lower emissions.


==History==
The '''B30E''' and '''B30F''' versions featured larger valves, and intake/exhaust ports
In March 1958 Volvo launched Project 358 to design a new large model with Chief Designer [[Jan Wilsgaard]] taking the lead.<ref name="358-a"/> The original plan for this car was to use the V8 engine that had been developed for the [[Volvo Philip]] concept car of 1952. That engine, which was later called the [[Volvo B36 engine|B36]], was rejected in favour of a new inline six. The engine for Project 358 was developed by adding two cylinders to the existing [[Volvo B18 engine|B18]], resulting in a six-cylinder engine with a displacement of 2.7&nbsp;litres.<ref name="autoweek"/><ref name="sixes"/> Project B358 did not go into production, but most of the early work done on it was revived when development began on the [[Volvo 164|164]], including the six cylinder engine.


Bore and stroke for the 164's engine were based on the larger [[Volvo B18 engine#B20|B20]] inline four, resulting in an engine displacing 3.0&nbsp;litres. Due to their common heritage, many components are shared between the B20 and B30, including pistons, connecting rods, valves and valve-train parts.<ref name="sexa"/>
In 1974 the number of bolts holding the flywheel increased from 6 to 8 and the size of the connecting rod was increased.


The '''B30A''' was used in the [[Volvo C303]] from 1974 to 1984
The '''B30A''' was used in the [[Marcos GT]] from 1969 to 1972<ref name="rory-3l"/> and the [[Volvo C303]] from 1974 to 1984. The B30 from the 164 was also used in the 1970 [[Volvo GTZ#GTZ 3000|Volvo GTZ 3000]] concept car.


Marine application versions of the B30 were sold by Volvo's [[Volvo Penta|Penta]] division. These engines carried designations AQ 165A and AQ 170A, B, or C. They were equipped with three down-draught [[carburettor]]s.<ref name="penta"/> and P type camshaft.

==Technical detail==
Like the B20 that it was developed from, the B30 has a [[cast iron]] block and cylinder head. The single camshaft is [[Cam-in-block|in the block]], and operates the two [[overhead valve engine|overhead valves]] per cylinder through [[pushrod]]s and [[rocker arm]]s.

Cylinder bore and piston stroke is {{cvt|88.9x80|mm|in|2}}, giving a total displacement of {{cvt|2979|cc|L cuin|1|order=flip}}. The B30/B30A version used twin 175CD2SE constant-depression [[Zenith Carburettor Company (British)|Zenith]]-[[Stromberg carburettor]]s.<ref name="r&t"/> Both the B30E and B30F used the [[Jetronic#D-Jetronic_(1967–1979)|D-Jetronic]] [[fuel injection]] system from [[Robert Bosch GmbH|Bosch]].

There are three major variations of this engine:<ref name="engine-specs"/>

{| class="wikitable" style="text-align:center; font-size:90%"
! Engine
! Year
! Induction
! Power
! Torque
! Camshaft
! Compression
! Notes
|-
| " rowspan="7"|'''B30A'''
| 1969
| " rowspan="7"|2 Zenith-Stromberg carburettor<br>175-CD2-SE
| " rowspan="3"|{{cvt|145|hp|kW|1}}<br>at 5500&nbsp;rpm
| " rowspan="4"|{{cvt|163|lbft|Nm|0}}<br>at 3000&nbsp;rpm
| " rowspan="6"|C
| " rowspan="4"|9.3:1
| " rowspan="4"|Originally called the B30, this version was renamed B30A with the introduction of the B30E and B30F.
|-
| 1970
|-
| 1971
|-
| 1972
| {{cvt|145|hp|kW|1}}<br>at 5000&nbsp;rpm
|-
| 1972
| {{cvt|120|hp|kW|1}}<br>at 5000&nbsp;rpm
| {{cvt|142|lbft|Nm|0}}<br>at 3000&nbsp;rpm
| 8.7:1
| Low-compression version built for the [[United States domestic market|US market]].
|-
| " rowspan="2"| 1975-84
| {{cvt|125|hp|kW|1}}<br>at 4250&nbsp;rpm
| {{cvt|162|lbft|Nm|0}}<br>at 2800&nbsp;rpm
| " rowspan="2"|9.3:1
| | Volvo C303/C304/C306 civilian versions
|-
| {{cvt|117|hp|kW|1}}<br>at 4000&nbsp;rpm<sup> '''(1)'''</sup>
| {{cvt|152|lbft|Nm|0}}<br>at 2500&nbsp;rpm<sup> '''(1)'''</sup>
| A
|| Volvo C303/C304/C306 military versions <br>
|-
| " rowspan="4"|'''B30E'''<sup> '''(2)'''</sup>
| 1972
| " rowspan="7"|Bosch D-Jetronic fuel injection
| " rowspan="4"|{{cvt|175|hp|kW|1}}<br>at 5800&nbsp;rpm
| " rowspan="4"|{{cvt|178|lbft|Nm|0}}<br>at 2500&nbsp;rpm
| " rowspan="4"|C
| " rowspan="4"|10.0:1
| " rowspan="4"|
|-
| 1973
|-
| 1974
|-
| 1975
|-
| " rowspan="3"|'''B30F'''<sup> '''(2)'''</sup>
| 1972-73
| {{cvt|138|hp|kW|1}}<br>at 5500&nbsp;rpm
| {{cvt|154|lbft|Nm|0}}<br>at 3500&nbsp;rpm
| " rowspan="3"|C
| " rowspan="3"|8.7:1
| " rowspan="3"|Developed for lower emissions.
|-
| 1974
| {{cvt|145|hp|kW|1}}<br>at 5500&nbsp;rpm
| {{cvt|160|lbft|Nm|0}}<br>at 2500&nbsp;rpm
|-
| 1975
| {{cvt|130|hp|kW|1}}<br>at 5500&nbsp;rpm
| {{cvt|150|lbft|Nm|0}}<br>at 3500&nbsp;rpm
|-
|style="text-align:left; font-size:95%;" colspan="11"|'''Notes:'''<br /><sup>'''(1)'''</sup> Outputs lower than civilian versions due to use of A-camshaft.<br /><sup>'''(2)'''</sup> The '''B30E''' and '''B30F''' versions featured larger valves and intake/exhaust ports.
|}

In 1974 the number of bolts holding the [[flywheel]] increased from 6 to 8 and the size of the [[connecting rod]]s was increased.


==See also==
==See also==
* [[List of Volvo engines]]
* [[List of Volvo engines]]
* [[Volvo 164]]
* [[Volvo C303]]


==References==
==References==
{{reflist|refs=

<ref name="358-a">{{cite web |url=https://www.volvocars.com/za/about/our-company/heritage/new-heritage-news/2016/a-volvo-moment-project-358 |title=A Volvo Moment: Project 358 with a shape that lived on |date=7 October 2016 |website=www.volvocars.com }}</ref>

<ref name="sixes">{{cite web |url=https://www.media.volvocars.com/us/en-us/media/pressreleases/18975 |title=Sixes from Volvo - A smooth 80 year affair |date=Mar 17, 2009 |website=www.media.volvocars.com }}</ref>

<ref name="rory-3l">{{cite web |url=http://www.rory.uk.com/3%20Litre%20Volvo.html |title=3 Litre Volvo ... |date=2013 |website=www.rory.uk.com }}</ref>

<ref name="engine-specs">{{cite web |url=http://360.haubits.net/VolvoRacing.se/Volvo%20Engines%20Specifications%20B4B%20till%20B30.pdf |title=Volvo Engine Specifications |date= |website=360.haubits.net/VolvoRacing.se }}</ref>

<ref name="sexa">{{cite web |url=http://www.bilsport.se/artikel/volvos-sexa-%C2%96-en-pigg-attioaring/ |title=Volvos sexa - en pigg åttioåring |date=2009-03-18 |website=www.bilsport.se |language=Swedish |trans-title=Volvo's six - a vigorous eighty-year-old }}</ref>

<ref name="autoweek">{{cite web |url=https://autoweek.com/article/car-life/stretched-out-engine-week-volvo-b30-straight-six |title=Stretched-Out Engine of the Week: Volvo B30 straight-six |date=October 5, 2017 |last=Martin |first=Murilee |website=autoweek.com }}</ref>

<ref name="penta">{{cite|title=Type Designations }}</ref>

<ref name="r&t">{{cite web |url= https://www.roadandtrack.com/car-culture/classic-cars/g22809010/volvo-164-history/?slide=5 |title=Volvo's First Luxury Sedan Just Turned 50 |last=Petrány |first=Máté |date=23 August 2018 |website=www.roadandtrack.com }}</ref>

}}

==Further reading==
*{{cite web|url=http://www3.bc.sympatico.ca/Volvo_Books/engine2.html|work=Volvo Books|title=Chronology of Volvo Engine Development|accessdate=February 22, 2011 |archiveurl = https://web.archive.org/web/20060116020013/http://www3.bc.sympatico.ca/Volvo_Books/engine2.html |archivedate = January 16, 2006}}
*{{cite web|url=http://www3.bc.sympatico.ca/Volvo_Books/engine2.html|work=Volvo Books|title=Chronology of Volvo Engine Development|accessdate=February 22, 2011 |archiveurl = https://web.archive.org/web/20060116020013/http://www3.bc.sympatico.ca/Volvo_Books/engine2.html |archivedate = January 16, 2006}}


{{DEFAULTSORT:Volvo B30 Engine}}
{{DEFAULTSORT:Volvo B30 Engine}}
[[Category:Volvo engines|B30]]
[[Category:Volvo engines|B30]]
[[Category:Inline-six engines]]
[[Category:Straight-six engines]]
[[Category:Gasoline engines by model]]

{{automotive-part-stub}}

Latest revision as of 20:40, 3 December 2024

Volvo B30
Overview
ManufacturerVolvo
Production1969–1975
Layout
ConfigurationInline-6
Displacement3.0 L; 181.8 cu in (2,979 cc)
Cylinder bore88.9 mm (3.5 in)
Piston stroke80 mm (3.15 in)
Cylinder block materialCast iron
Cylinder head materialCast iron
ValvetrainOHV
Compression ratio8.7:1, 9.3:1, 10.0:1
RPM range
Idle speed900 rpm[1]
Combustion
Fuel system
ManagementBosch D-Jetronic
Fuel typePetrol
Oil systemWet sump
Cooling systemWater-cooled
Output
Power output
  • 120 hp (89.5 kW) at 5000 (min)
  • 175 hp (130.5 kW) at 5800 (max)
Torque output
  • 142 lb⋅ft (193 N⋅m) at 3000 (min)
  • 178 lb⋅ft (241 N⋅m) at 2500 (max)

The B30 is an inline-six automotive petrol engine produced by Volvo starting in 1968. It was used primarily in the Volvo 164 sedan from 1969 through 1975. The engine also appeared in military, marine, industrial, agricultural, and powercraft applications.

History

[edit]

In March 1958 Volvo launched Project 358 to design a new large model with Chief Designer Jan Wilsgaard taking the lead.[2] The original plan for this car was to use the V8 engine that had been developed for the Volvo Philip concept car of 1952. That engine, which was later called the B36, was rejected in favour of a new inline six. The engine for Project 358 was developed by adding two cylinders to the existing B18, resulting in a six-cylinder engine with a displacement of 2.7 litres.[3][4] Project B358 did not go into production, but most of the early work done on it was revived when development began on the 164, including the six cylinder engine.

Bore and stroke for the 164's engine were based on the larger B20 inline four, resulting in an engine displacing 3.0 litres. Due to their common heritage, many components are shared between the B20 and B30, including pistons, connecting rods, valves and valve-train parts.[5]

The B30A was used in the Marcos GT from 1969 to 1972[6] and the Volvo C303 from 1974 to 1984. The B30 from the 164 was also used in the 1970 Volvo GTZ 3000 concept car.

Marine application versions of the B30 were sold by Volvo's Penta division. These engines carried designations AQ 165A and AQ 170A, B, or C. They were equipped with three down-draught carburettors.[7] and P type camshaft.

Technical detail

[edit]

Like the B20 that it was developed from, the B30 has a cast iron block and cylinder head. The single camshaft is in the block, and operates the two overhead valves per cylinder through pushrods and rocker arms.

Cylinder bore and piston stroke is 88.9 mm × 80 mm (3.50 in × 3.15 in), giving a total displacement of 3.0 L; 181.8 cu in (2,979 cc). The B30/B30A version used twin 175CD2SE constant-depression Zenith-Stromberg carburettors.[8] Both the B30E and B30F used the D-Jetronic fuel injection system from Bosch.

There are three major variations of this engine:[1]

Engine Year Induction Power Torque Camshaft Compression Notes
B30A 1969 2 Zenith-Stromberg carburettor
175-CD2-SE 		145 hp (108.1 kW)
at 5500 rpm 		163 lb⋅ft (221 N⋅m)
at 3000 rpm 		C 9.3:1 Originally called the B30, this version was renamed B30A with the introduction of the B30E and B30F.
1970
1971
1972 145 hp (108.1 kW)
at 5000 rpm
1972 120 hp (89.5 kW)
at 5000 rpm 		142 lb⋅ft (193 N⋅m)
at 3000 rpm 		8.7:1 Low-compression version built for the US market.
1975-84 125 hp (93.2 kW)
at 4250 rpm 		162 lb⋅ft (220 N⋅m)
at 2800 rpm 		9.3:1 Volvo C303/C304/C306 civilian versions
117 hp (87.2 kW)
at 4000 rpm (1) 		152 lb⋅ft (206 N⋅m)
at 2500 rpm (1) 		A Volvo C303/C304/C306 military versions
B30E (2) 1972 Bosch D-Jetronic fuel injection 175 hp (130.5 kW)
at 5800 rpm 		178 lb⋅ft (241 N⋅m)
at 2500 rpm 		C 10.0:1
1973
1974
1975
B30F (2) 1972-73 138 hp (102.9 kW)
at 5500 rpm 		154 lb⋅ft (209 N⋅m)
at 3500 rpm 		C 8.7:1 Developed for lower emissions.
1974 145 hp (108.1 kW)
at 5500 rpm 		160 lb⋅ft (217 N⋅m)
at 2500 rpm
1975 130 hp (96.9 kW)
at 5500 rpm 		150 lb⋅ft (203 N⋅m)
at 3500 rpm
Notes:
(1) Outputs lower than civilian versions due to use of A-camshaft.
(2) The B30E and B30F versions featured larger valves and intake/exhaust ports.

In 1974 the number of bolts holding the flywheel increased from 6 to 8 and the size of the connecting rods was increased.

See also

[edit]

References

[edit]
  1. ^ a b "Volvo Engine Specifications" (PDF). 360.haubits.net/VolvoRacing.se.
  2. ^ "A Volvo Moment: Project 358 with a shape that lived on". www.volvocars.com. 7 October 2016.
  3. ^ Martin, Murilee (October 5, 2017). "Stretched-Out Engine of the Week: Volvo B30 straight-six". autoweek.com.
  4. ^ "Sixes from Volvo - A smooth 80 year affair". www.media.volvocars.com. Mar 17, 2009.
  5. ^ "Volvos sexa - en pigg åttioåring" [Volvo's six - a vigorous eighty-year-old]. www.bilsport.se (in Swedish). 2009-03-18.
  6. ^ "3 Litre Volvo ..." www.rory.uk.com. 2013.
  7. ^ Type Designations
  8. ^ Petrány, Máté (23 August 2018). "Volvo's First Luxury Sedan Just Turned 50". www.roadandtrack.com.

Further reading

[edit]
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