Editing Chrysler B engine (section)

==RB engines==
The ''RB'' engines, produced from 1959 to 1979, are raised-block (taller) versions of the B engines. All RB engines have a {{cvt|3+3/4|in|mm|1}} stroke, with the [[Bore (engines)|bore]] being the defining factor in engine size. All RB wedge engines share a deck height of {{cvt|10.725|in|mm}}, and were fitted with {{cvt|6.768|in|mm}} long connecting rods, resulting in a 1.80:1 rod ratio. Bore center distance is {{cvt|4.8|in|mm}}. All RBs are [[oversquare]].

==={{anchor|RB383}} 383===
[[File:1959 Chrysler B-series 383ci V8 engine in a Windsor.jpg|thumb|RB 383 "Golden Lion" engine in a 1959 Windsor]]
Not to be confused with the 383 ''B'' engine, the 383 ''RB'' had a {{cvt|4+1/32|in|mm in|sigfig=4}} bore combined with the long stroke of {{convert|3+3/4|in|mm|1|adj=on}}, for a displacement of {{cvt|382.905|cuin|cc|0|adj=ri1}}. It was only available in 1959 and 1960 on the U.S.-built [[Chrysler Windsor]]s and [[Chrysler Saratoga#1959|Saratogas]]; one of Trenton Engine's lines had been converted to the new RB engine (to make the 413), and demand for the 383 B engine was too high for the remaining line. The solution was to create a 383 RB to fill the gap until the plant figured out how to quickly switch from one block to the other.

===413===
The {{cvt|413|cuin|L|1}} RB was used from 1959 to 1965 in cars. It was also used in medium and heavy trucks including truck-tractors such as the [[Dodge LCF series|C-1000]], up until 1979. It has a bore of 4.1875 inches. During that period, it powered almost all Chrysler New Yorker and all Imperial models, and was also available on the lesser Chryslers, [[Dodge Polara]], [[Dodge Monaco]], and [[Plymouth Fury]] as an alternative to the B-block 383 and the [[Chrysler A engine|A-block 318]]. It was also fitted to some European cars such as the later [[Facel Vega Facel II]].

In the 1959 Chrysler 300E, the 413 wedge was fitted with inline dual four-barrel carburetors; it was factory-rated at {{cvt|380|bhp|kW|0}} at 5,000&nbsp;rpm and {{cvt|525|lbft|Nm|0}} at 3,600&nbsp;rpm.<ref name="Atherton">{{cite book|title=Mopar Performance |last=Atherton |first=Larry |publisher=S-A Design Publishing |year=1978}}</ref> In 1960, a long-tube ram induction system was made standard on the Chrysler 300. It continued as standard on the 1961 300-G, and remained on the option sheets for Chrysler 300s through 1964. In 1962, a special version known as the "[[Max Wedge]]" was made available for drag racing and street use; this version produced {{cvt|420|bhp|kW|0}} at 5,000&nbsp;rpm.
{| class="wikitable"
|+Engine specifications
![[Model year]]s
!Fuel system
![[Power (physics)|Power]]
![[Torque]]
![[Compression ratio]]
|-
|1959–1961
|4-barrel [[carburetor]]
|{{cvt|340|hp|0}} at 4600&nbsp;rpm
|{{cvt|480|lbft|0}} at 2800&nbsp;rpm
| rowspan="3" |10.0:1
|-
|1959
| rowspan="2" |2 × 4-barrel carbs
|{{cvt|380|hp|0}} at 5000&nbsp;rpm
|{{cvt|525|lbft|0}} at 3600&nbsp;rpm
|-
|1960–1961
|{{cvt|375|hp|0}} at 5000&nbsp;rpm
|{{cvt|525|lbft|0}} at 2800&nbsp;rpm
|-
|1962
|4-barrel carb
|{{cvt|340|hp|0}} at 4600&nbsp;rpm
|{{cvt|480|lbft|0}} at 2800&nbsp;rpm
| rowspan="4" |10.1:1
|-
|1962
|2 × 4-barrel carbs
|{{cvt|380|hp|0}} at 5000&nbsp;rpm
|{{cvt|525|lbft|0}} at 2800&nbsp;rpm
|-
|1963-1965
|4-barrel carb
|{{cvt|360|hp|0}} at 4600&nbsp;rpm
|{{cvt|495|lbft|0}} at 2800&nbsp;rpm
|-
|1963-1964
|2 × 4-barrel carbs
|{{cvt|390|hp|0}} at 4800&nbsp;rpm
|{{cvt|530|lbft|0}} at 3600&nbsp;rpm
|}

===426 Wedge===
[[File:1966 Dodge Charger (5184677542).jpg|thumb|1966 Dodge Charger engine bay]]
Not to be confused with the [[Chrysler Hemi engine|426 Hemi]], the {{cvt|426|cuin|L|1}} RB was a wedge-head RB block with a {{cvt|4.25|in|mm}} bore. The 426 Wedge served as Chrysler's main performance engine until the introduction of the 426 Hemi. It was initially offered as the "non-catalogued" option S42 in Chryslers (the number of such produced is uncertain), offered with {{cvt|373|or|385|hp|0}} via a single 4-barrel carburetor (11.0:1 or 12.0:1 [[compression ratio]], respectively), or {{cvt|413|or|421|hp|0}} via ram-inducted dual four-barrel carburetors (with the same compression ratios).<ref>{{cite journal|journal=Collectible Automobile |date=December 1994 |page=57 |title=1960-62 Chrysler "Positively No Jr. Editions" |first=Jeffrey I. |last=Godshall}}</ref> For 1963, horsepower ratings would slightly increase (see below), and it became optional in [[Chrysler B platform|B-bodied]] Dodges and Plymouths. After 1963, it would be used only in Dodges and Plymouths.<ref>{{cite book|last=Flory, Jr. |first=J. "Kelly" |title=American Cars 1960–1972 |publisher=McFarland & Coy |year=2004 |page=220}}</ref>

The Max Wedge was a race-only version of the 426 Wedge engine offered from the factory. Known as the Super Stock Plymouth and Ramcharger Dodge, the Max Wedge featured high-flow cylinder heads developed through then state-of-the-art airflow testing.<ref name="Atherton"/> It had {{cvt|1+7/8|in}} exhaust valves, which required the cylinder bores to be notched for clearance. The blocks were a special severe-duty casting with larger oil-feed passages than other RB engines, and were stress-relieved by the factory. Induction came by means of a cross-ram intake manifold tuned for peak power above 4000&nbsp;rpm and two Carter AFB-3447SA 4-barrel carburetors. The Max Wedge also included high-flow cast-iron [[exhaust manifold]]s that, on the later versions, resembled steel tube headers. The Max Wedge was factory rated at {{cvt|415|or|425|bhp|kW|0}} (depending on compression), and {{cvt|480|lbft|0}} at 4400&nbsp;rpm.

Before the end of the 1963 model year, Chrysler introduced the Stage II Max Wedge with improved combustion chamber design and an improved camshaft. The last performance year for the Max Wedge was the 1964 Stage III. The factory-advertised power rating never changed despite the Stage II and III improvements.

A ''426 Street Wedge'' engine was also available in 1964 and 1965. An increased-bore version of the standard [[Chrysler New Yorker|New Yorker]] 413 single 4-barrel engine, it bears little relation to the Max Wedge except for basic architecture and dimensions. It was available only in [[Chrysler B platform|B-body]] cars (Plymouth and Dodge) and light-duty [[Dodge D Series]] trucks.

===440===
[[File:SC06 1971 Plymouth 'Cuda 440 engine.jpg|right|thumb|440 6-Barrel RB V8 in a 1971 [[Plymouth Barracuda]]]]

The {{cvt|440|cuin|L|1}} RB was produced from 1965 until 1978, making it the last version of the Chrysler RB block. It had a light wall construction, precision cast-iron block, with iron heads and a bore of {{cvt|4.32|in|mm|1}}, for an overall [[Engine displacement|displacement]] of {{cvt|440|CID|L|1}}.<ref>{{cite book |title=World Cars 1981 |publisher=The Automobile Club of Italy/Herald Books |editor-last=Lösch |editor-first=Annamaria |page=234 |year=1981 |isbn=0-910714-13-4 }}</ref>

From 1967 to 1971, the high-performance version was rated at {{cvt|375|bhp|PS kW|0}} ({{cvt|370|bhp|PS kW|0}} in 1971) at 4,600&nbsp;rpm and {{cvt|480|lbft|Nm|0}} at 3,200&nbsp;rpm of [[Torque#Machine torque|torque]] with a single 4-barrel carburetor,<ref>{{cite web|url=https://www.carfolio.com/specifications/models/car/?car=284515|website=carfolio|title=Dodge Charger R/T, 1969 MY XS29|access-date=July 11, 2018}}</ref> and from 1969 to 1971, the highest-output version had an intake setup with 3×2-barrel [[Holley Performance Products|Holley]] [[carburetor]]s ("440 Six Pack" for Dodge, "440 6-BBL" for Plymouth) producing {{cvt|390|bhp|PS kW|0}} at 4,700&nbsp;rpm ({{cvt|385|bhp|PS kW|0}} in 1971) and {{cvt|490|lbft|Nm|0}} at 3,200&nbsp;rpm of [[Torque#Machine torque|torque]].<ref>{{cite web|url=http://www.automobile-catalog.com/car/1970/2697500/plymouth_road_runner_440_6-bbl_hardtop_4-speed.html|website=automobile-catalog.com|title=1970 Plymouth Road Runner 440 6-bbl Hardtop 4-speed|access-date=June 24, 2018}}</ref>

In 1972, changes were made to the [[Horsepower#Society of Automotive Engineers/SAE International|horsepower ratings]] of vehicle engines from gross (engine only, without air cleaner, exhaust system, alternator, or other power-consuming components) to net (with alternator, air cleaner, mufflers, and other vehicle equipment installed). The new rating system produced lower, more realistic numbers for any given engine. At the same time, [[Vehicle emissions control|emissions regulations]] were demanding cleaner exhaust. Engines including the 440 were made with reduced compression, modified cam timing, and other tuning measures to comply with the newly tightened emissions regulations. The 1972 440 produced {{cvt|335|bhp|kW|0}} (gross) at 4400&nbsp;rpm; the new net rating was {{cvt|225|hp|kW|0}}—which very closely coincided with period German [[DIN]] ratings and [[TÜV]] measurements.

The high-output 440 (4-barrel/mild cam/dual exhausts) was marketed as the ''Magnum'' in Dodges, the ''Super Commando'' in Plymouths, and the ''TNT'' in Chryslers. From 1972 to 1974, the engine (detuned to run on unleaded gasoline) was rated at {{cvt|280|hp|kW|0}} net, and dropped in horsepower each year until 1978, when it was rated at {{cvt|255|hp|kW|0}} (in police specification) and limited to Chrysler New Yorkers, Chrysler Newports, Dodge Monaco Police Pursuits, and Plymouth Fury Police Pursuits. It was also available in marine and heavy-duty commercial applications until that year.

{{Clear}}
{{hidden begin|title=Vehicles using the RB 440|titlestyle=background:#99FF99; text-align:left;|bodystyle=text-align:left;}}
* [[Chrysler 300 letter series]]
* [[Chrysler 300 non-letter series]]
* [[Chrysler New Yorker]]
* [[Chrysler Newport]]
* [[Chrysler Town and Country (pre-1990)|Chrysler Town and Country]]
* [[Dodge B-series van]]s
* [[Dodge D series|Dodge D/W series]]
* [[Dodge Coronet]]
* [[Dodge Charger (B-body)|Dodge Charger]]
* 1970–1971 [[Dodge Challenger]]
* 1969 [[Dodge Dart]]
* [[Dodge Charger Daytona]]
* [[Dodge M-Series Chassis]]
* [[Dodge Monaco]]
* [[Dodge Polara]]
* [[Dodge Ramcharger]]
* 1974–1978 [[Plymouth Trail Duster]]
* 1969–1971 [[Dodge Super Bee]]
* [[Imperial (automobile)|Imperial]]
* 1969–1971 [[Plymouth Barracuda]]
* [[Plymouth Belvedere]]
* [[Plymouth Fury]]
* [[Plymouth GTX]]
* [[Plymouth Road Runner]]
* [[Plymouth Superbird]]
* [[Plymouth VIP]]
* [[Jensen Interceptor]]
* [[Monteverdi Safari]]
* 1968–197? [[Cadillac Gage Commando|Cadillac Gage V-200 Commando]] (waterproof, export [[Singapore Armed Forces]])
{{hidden end}}