Engine difference

[spiderman]

HI,
PLease can someone tell me how the two models perform differently when they clearly have the same engine size?

C200 CDI 115
C200 CDI 122

C220 CDI 143
C220 CDI 122

Thanks

 

[Bolide]

Different boost pressure & ECU map

Nick Froome
www.w124.co.uk

 

[spiderman]

Thanks,
Appologies but can you briefly explain What boost pressure is?

Thanks

 

[cobe]

boost presure

Hi spiderman,boost presure is the boosted air from the turbo charger or supercharger which is fed into the inlet side of the engine,it takes power for the engine to suck in air to the cylinder so the obviouse way to improve this is to force it in, normaly by mechanical means ie turbocharging or supercharging the more air thats forced in the more power the engine produces,we live in a natural pressure of 1bar approx 14.7 lbs per square inch any thing over that is called forced pressuer ie boosted pressure the higher your boost the more power you get the quicker the car. this is the simple version,there are lots of problems to over come and think about when you start to increase moving up the boost pressures, blowing the lump up usually comes first if you don't plan and engineer for it first.

 

[FIBAMAN]

Hi spiderman,boost presure is the boosted air from the turbo charger or supercharger which is fed into the inlet side of the engine,it takes power for the engine to suck in air to the cylinder so the obviouse way to improve this is to force it in, normaly by mechanical means ie turbocharging or supercharging the more air thats forced in the more power the engine produces,we live in a natural pressure of 1bar approx 14.7 lbs per square inch any thing over that is called forced pressuer ie boosted pressure the higher your boost the more power you get the quicker the car. this is the simple version,there are lots of problems to over come and think about when you start to increase moving up the boost pressures, blowing the lump up usually comes first if you don't plan and engineer for it first.

Well explained Cobe, more air = more oxygen = more fuel burning potential each stroke.

 

[dieselman]

HI,
PLease can someone tell me how the two models perform differently when they clearly have the same engine size?

C200 CDI 115
C200 CDI 122

C220 CDI 143
C220 CDI 122

Thanks

The original 220 was 122Bhp and raised to 143Bhp as a result of increased injection pressure. 1600Bar as opposed to 1260Bar.

 

[spiderman]

Hi Dieselman
Thanks for the expert explenations...
For the 200 series, what are the boost pressures? for the 115 bhp and the 122 bhp.
Can tghe c200 be uprated to 143 bhp?

Cheers.

 

[spiderman]

Thanks to FIBAMAN for your help in your explenation.
Much appreciated and well done.