I'm already getting one but not for that car. While yes a 560 swap would be the optimal decision, I want to use what I've got with either the 500 or Euro 380.

I did find some more specs that seem to be more accurate and descriptive:

380SE/SEL/ SEC 3,839cc, 88 x 78.9mm, V8-cyl OHC, type M116, Bosch fuel injection, 204bhp at 5,250rpm; 225lb.ft at 3,250rpm. US models 155bhp at 4,750rmp; 196lb.ft at 2,750rpm (from october 1980 for US models; from spring 1981 for other markets)

500SE/SEL/SEC 4,973cc, 96.5 x 85mm, V8-cyl OHC, type M117, Bosch fuel injection, 240bhp at 4,750rpm; 296.6lb.ft at 3,200 rpm (to spring 1981). 231bhp at 4,750rpm; 298lb.ft at 3,000rpm (from spring 1981 to October 1985). 245bhp at 4,750rpm; 286lb.ft at 3,750rpm (from October 1985). 184bhp at 4,500rpm; 247lb.ft at 2,000 rpm (US models).


Question now, how much of a difference does the torque make with 225lb/ft compared to 247lb/ft at a lower RPM?

Also- Whichever engine I decide on, I will probably use euro manifolds with a custom exhaust, I already have the ones for a 116, and ones for a 117 will be on the way shortly. How much of an effect will this have on those numbers as well?

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350