|
|
|
#1
|
|||
|
|||
450 SL Exhaust Question
having a 450SL exhaust manifold replaced, it is the type with
the "built-in" catalytics. The mechanic wants to use 380 exhaust manifolds and "increase" the size of the 3rd catalytic. Is this doable? downside? He says this will reduce the noise level and heat buildup in the engine, but otherwise have no effect. Thanks akas |
#2
|
|||
|
|||
The three way cats of the 380 will never take the fuel mixtures of the 450. They will overheat and destroy themselves very quickly.
The 380 cats need an O2 sensor Lambda control system to keep the mixtures much leaner than a 450 can run. The best combination would be to get an exhaust from a 77 to 79 450. This would have the cat under the car. It also would fit. The 4.5 is a wider motor than the 380 so I doubt that the crossover cat will be long enough.
__________________
Steve Brotherton Continental Imports Gainesville FL Bosch Master, ASE Master, L1 33 years MB technician |
Bookmarks |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
450 SL Timing chain question | Rockman59 | Tech Help | 5 | 03-05-2004 11:04 PM |
108 exhaust question | 68greezr | Vintage Mercedes Forum | 12 | 11-27-2003 08:30 AM |
Exhaust Manifold Removal Question... | JoeyTheB | Vintage Mercedes Forum | 4 | 11-19-2003 11:51 AM |
Noisy 300E Exhaust | Bud | Tech Help | 5 | 07-24-2002 09:29 PM |