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  #1  
Old 02-21-2006, 04:52 PM
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280c vs 250c

I am curently looking at a 280c and a 250c. Both cars are 1972 year models. Both cars have slightly more than 100,000 miles but are rust free and driveable. The 250c recently had a valve job. What are the differences between these cars other than the obvious. Is there a difference in reliability between the fuel injected car and the carburated car? What is the difference between the 110.921 engine and the 130.923 engine? Are body parts interchangable? Thanks, Richard

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Old 02-21-2006, 04:54 PM
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which is the CE (fuel injected)?
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w113 230SL [Manual-4sp Silver/Black] 81,000 miles
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Old 02-21-2006, 05:30 PM
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72 cutover

Other than the obvious 130.923 sohc 2.8L carb'd and 110.921 2.8L dohc which I also show as carb'd (one big 4-bbl down on a manifold), which agrees with its being US and being a 280C vs 280CE (Euro)...

If the seller's telling you the 280C is injected, make him show you the engine and 'splain it...the Euro should be a 110.981or 110.991 (low compression), vs 110.921; in a 114.072 vs 114.073 chassis...
The engine number is on a little shelf protruding from edge of head, just behind the distributor...toothbrush and good cross-lighting may be in order...

M110's take more frequent valve adjusting, but both good engines (people usually either hate or love 110's, you'll find). The sohc M130 was the last of a very long-proven and rugged line of engines. Bulletproof; somewhat simpler to work on.

I have and love the Webers on both my sohc M114 (like the M130) and the dohc M110 (1 2-bbl vs 1 4-bbl).

more in PM on deciphering this alleged injected coupe....

Most body parts exchangeable until the intro of the federal bumpers in the 74-75 changeover, when bumper mounts fore&aft had to be changed, and change of vent windows/rear view mirrors in the later 114's, when they did away with argueably one of the best vent window rigs ever designed...

Stan
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72 250C
78 280CE

Last edited by Tristar1959; 02-21-2006 at 05:39 PM.
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Old 02-21-2006, 07:07 PM
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sounds like I will probably be better off with the 250c. I hope to get a better look this weekend. Thanks again for the info. Richard
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Old 02-21-2006, 07:23 PM
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Quote:
Originally Posted by magnumrick
sounds like I will probably be better off with the 250c. I hope to get a better look this weekend. Thanks again for the info. Richard
okay, but why do you say that?....


Stan, thanks for the discussion of the models. It was very interesting to read.
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Old 02-21-2006, 09:31 PM
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From what I have gathered by reading opinions on this site and also Stan's description, the 280c has a more complicated twin cam engine than the 250c. I haven't seen any negative posts about the 250 except concerning the carburators which can easily be changed to webers. On the contrary it seems that 250c owners are some of the happiest.The most compelling reason is that the 280 is almost $2000 more than the 250. Hopefully, time permitting, this weekend I hope to buy a car. Then you guys can really expect to see some questions. Thanks, Richard
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Old 02-21-2006, 10:37 PM
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the 110 twin cam

engine is generally acknowledged to be about as bulletproof as any gas engine ever made. i have known of engines with 400k on them without over haul. they have a lot of power and torque too.

tom w
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..I also have a 427 Cobra replica with an aluminum chassis.
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  #8  
Old 02-22-2006, 01:47 AM
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Quote:
Originally Posted by magnumrick
The most compelling reason is that the 280 is almost $2000 more than the 250. Thanks, Richard
Make that $3000 more considering the 250C has a recent valve job which in itself is something that practically every Vintage MB 6cyl needs at/near 125k miles. Even better yet, if the valve job included a new timing chain too.
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Old 02-22-2006, 02:31 AM
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250C vs 280C

Well, they're both 2.8L engines; the twin carb 130 US version at 157hp and the Euro carb'd M110 at 160hp, Euro CE injected version at 185hp.

BUT NOTE, the US-version detuned 110 engine was only 130hp (vs 250's 157) - had flat pistons and 8.0 compression ratio vs 9.0/domed pistons in the Euro - remembering that this is actually a cross-feed "hemi" engine, the M110.

SO...the 250 SHOULD actually be more powerful than the US 280. And as Dog notes, $ with the valve job, absolutely...plus the enduring mystery of why seller is calling the 280C injected...unless it is...some other non-stock 110 engine or a Euro or such...incorrectly badged as a C vs a CE...

Bodies and interiors being equal, mileage being about the same, yep - concur that the 250 may well be a better deal. But the carb'd 110 itself is not that much more complex, vs the 130 - and you're catching either one just before pollution controls went completely crazy...where the real fun begins; or the CIS-injected CE version, where all the ancillary gadgets get fancy...

Another determinator may be the dual carbs of the 130 vs the single of the 110 (unless it's truly injected). They do take balancing, which is not hard to do unless their throttle plate shafts are worn (although there's a backdoor fix for that, as well). Haven't priced the Weber kit lately, but I swear by mine on my M114 (which is basically same engine as M130, shorter stroke).

If you need to check something out prior to committing to sale this week - feel free to call me at phone I provide in PM/email...I'll try to find answer for you. Would love to see you join the 114 C coven - sounds like Rodolfo liked his...

Stan

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59 300d
65 250SE/Cpe
70 250/8
72 250C
78 280CE
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