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Mines obviously overflowing due to the petrol wash down (and thinning the oil), so it could be weeping from the crank seal or another likely spot is the distributor shaft. I know my one has a worn out o ring on it. You could see oil above it on the shaft. I didn't have a replacement the exact...

Oh. That's interesting. Turns out the squealing I had ignored when testing fuel supply was the injectors spraying fuel down every open intake port. Even with the engine off. Found mention of this in the 928 kjet tuning pdf, nothing in the Benz literature. Mercedes only mentions the mixture...

Extremely so! Thanks very much! I may never actually have the cash or time to try any of these musings out, but the thought experiment is better than despair at my yard art, and who knows someone else may one day use this thread to "finally unlock the performance potential of the m116/7 platform" 🤣

More calcs to do. But back of envelope says this is the way. Should be plenty of meat left after 2mm overbore, so block not an issue plus can go manual if desired, crank isn't externally balanced so dropping heaps of moving mass should mean only counterweights get lighter. Calcs req but ring...

Engine dimensions scratchpad (my own reference, might as well keep it here). Iron 116 92x65.8 Alloy 117 96.5, 98.5/99 practical bore limit 116 CR 138+--.05 CH 43.15 * 117 154.5+-.05, 48.1 116.985 piston rings are 1.75 and 2.5 thick, with a 4mm oil ring. Compare je for na typical of aftermarket...

Well mine seems dead. Timing set correctly, confirmed the dizzy cap actually does work. New plugs, new leads. Confirmed sparking. Cranked till oil pressure. Sprayed aerostart into the flapper to circumvent any fuel metering issues. Got one cough straight off, then nothing BUT... Smoke now...

Yeah I'm still weighing up what to do. The muntered lobes coincide with lash adjusters that were out of the head part of a turn. Of course the whole picture is of a grotesquely underserviced engine, so although the left bank seems largely fine (some lobes in my first picture of covers off even...

Applied measurement and a little critical thinking to bits I took off yesterday. This cap hasn't always been fitted correctly... :rolleyes: This centre contact is coated in some kinda graphite-meets-WD40 varnish that isn't the most conductive... Captain File to the rescue, again, much...

Decided to hoe into the car today during a dry spell. Really just intended to round out ignition testing by pulling off the dizzy cap and rotor and checking resistances (even though they're both so heavily eroded i definitely need new ones). Didn't even end up getting the multimeter on them...

Good tip. Thanks. Got a 1kR one which should do the job fine. It was definitely not very expensive ;)

Yup. That's all I'm after at the moment. I'll spend and wait for a new set of Beru leads and BP5ES when it's time, and the cheap bits can revert to diagnostic spares.

They're WR8DC+, which NGK says cross references with BP5ES (no R), vs WR8DC=BPR5ES, so I assume the + signifies "added lack of resistance" 🤣 I'd say the plugs I have are the right ones now, since I have the (correct dizzy terminal now) Eagle leads on order. Depends on the actual impedance of...

Some bits arrived. Not sure I really believe they're genuine resistorless bosch plugs given the forum wisdom (circa 2006!) on 116.org that such can only be got from Herr Benz's Private Stash... but that's what they claim to be. Some ignition leads. Yes of course I stuffed up and got the...

Point well taken. All that packaging trouble is the sort of thing I'd probably have gotten fed up with before making any costly mistakes *if* I'd started working through all the implications of such a swap before recklessly ebaying under the influence. But fortunately I'm naturally inclined to...

Ooouuu, amg style... I see no evidence of this rust, so at least it's in better shape than my car (thats not saying much tho...)

See now that im not only looking at engine out anyway, but $6-800 of new ignition and $300 of injection service plus my time, valve covers off and probably timing chain to factor in before I even get it into the garage to do it, the reason to consider a Ford swap is not even "easy power" or cost...

I tackled my Starter Rebuilding Apprenticeship this week. Discovered the magnitude of overengineering and complete lack of labour cost minimisation in the old (original?) starter vs the reman (and later design) one is quite startling. These (thread locked!) screws hold the cover plate for the...

I think that was true the moment I pulled the Aeros off it :) In all seriousness I'd love to go 5.0 (that one's either one of the ECE ones they made after the 5.6 [if I read your blog right, Bryce?] or someone has swapped the "amg style" tri Y headers onto it, so... sweaty palms etc...) because...

Staring down the barrel of having to pull out the engine and transmission to replace the ring gear anyway, and wondering how likely it is that there's nothing internally wrong with the m116... eBay is tormenting me with plausible-sounding bad ideas... Change my mind? I have nowhere to store...

New starter arrived yesterday. But first some low hanging fruit: Been missing one of these bonnet catch bumpers since day one, always had to remind myself not to do the Panel Beater Bonnet Drop... Resin 3d printer at work to the rescue... Dimensions could use a little fine tuning, but it...