OP
Isdyldan
Senior Member
- Joined
- Dec 9, 2008
- Messages
- 263
- Reaction score
- 12
- Location
- Woking, UK
- Your Mercedes
- '71 350 SL, Mercedes 350 CLS SB, '94 Shogun 2.8 LWB, '73 Porsche 914
- Thread Starter
- Thread starter
- #281
Hi - I'm not sure if anyone can remember the problems I've been having, but I'm now digging the old girl out of the garage again with a fresh idea in mind.
The engine starts and runs fine but very rich when the vacuum pipe to the MPS is disconnected and the hose plugged. As the engine warms up, it becomes too rich to run. All the ancillaries are from the original 350 engine, but the installed recon engine is a 450 (as deduced from the engine number). When the MPS is connected, the engine misfires badly and stalls.
Could this be that the 450 engine produces a different vacuum and hence the MPS simply needs recalibrating to suit?
Any ideas greatly appreciated please, and thanks for bearing with me on this one!
The engine starts and runs fine but very rich when the vacuum pipe to the MPS is disconnected and the hose plugged. As the engine warms up, it becomes too rich to run. All the ancillaries are from the original 350 engine, but the installed recon engine is a 450 (as deduced from the engine number). When the MPS is connected, the engine misfires badly and stalls.
Could this be that the 450 engine produces a different vacuum and hence the MPS simply needs recalibrating to suit?
Any ideas greatly appreciated please, and thanks for bearing with me on this one!