383 - 4BBL / Charger Questions

[The Rebel]

Just wondering on a few items that have on the 68 Charger I'm about to buy.

What's the difference between:
1. 383 - High Block / Low
2. 383 - High Performance /Std
3. Why was a Charger considered a premium price class

 

[khryslerkid]

The RB engines, produced from 1959 to 1979, areRaised-Block (taller) versions of the B engines. All RB engines have a 3.75 in (95 mm) stroke, with the borebeing the defining factor in engine size. All RB wedge engines share a deck height of 10.725 in (272.4 mm), and were fitted with 6.768 in (171.9 mm) long connecting rods, resulting in a 1.80:1 rod ratio. Bore center distance is 4.80 in (122 mm). All RBs areoversquare.

383

RB 383 "Golden Lion" engine in a 1959 Windsor
Not to be confused with the 383 B engine, the 383 RBhad a 4 1⁄32-inch (102.4 mm) bore (with the long stroke of 3.75) for a displacement of 382.9 cubic inches (6,275 cc). It was only available in 1959 and 1960 on the US-built Chrysler Windsors andSaratogas; 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.

https://en.m.wikipedia.org/wiki/Chrysler_B_engine

 

[PurpleBeeper]

2. 383 HP got a slightly larger cam, slightly better exhaust manifolds (I think) and sometimes a slightly different carburetor. To me, there's nothing special about a "HP motor" since I change all those parts anyway.
3. Because the car is bad azz! Seriously, my guess would be that Chargers were sort of a "businessman's coupe" (like a GTX) instead of stripped down like a Road Runner.

 

[Daves69]

2. 383 - High Performance /Std

A little higher compression and a colder plug, J-11Y vs J14Y also for the 383 HP
..........