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Apr 19, 2008 13:56:56 GMT
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My new Merc rad has a built-in oil cooler. It'd be a shame not to use it really, especially since I'll be asking more of the engine. Plus I found even in normal tune with an electric fan, the oil starts to overheat even if the coolant stays cool So, I'll need a take-off plate won't I? Chances of finding one for my car? Zero. Are they quite simple affairs? (i.e.: can I make / get on made easy enough?) How about thermostats - don't want to over-cool the oil! It's a Mercedes M115 petrol engine. It has a "spin-on" paper element oil filter. There is a rather large bolt above the oil filter which I suspect is blanking off a drilling, possibly for an oil cooler! I shall investigate that further, although I don't think oil coolers were ever fitted to this engine. Any advice welcome.
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Apr 19, 2008 14:07:45 GMT
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Use a spin-on adapter and run lines. Only thing is, the rad oil cooler is for ATF, yes? It may not flow enough, check the ID of the tubing hook-ups. On a larger street motor, I like oil line passages at least 3/8" ID all the way through (on big stuff and racy stuff 1/2" ID). Remember, your smallest ID in the filter system will be the restriction. It'd be a real beech to stack up all your oil supply behind an embolism and starve something like, oh, the crankshaft. Check, think. Re-check. On the t-stat, if you have an oil temp gauge (and it sounds like you do from your comments about heat), I'd do the plumbing without a stat. See if you got it right-sized once fully warmed up. If you do, I'd not bother with the stat, as it's just another failure point. However, if you mount a big honking oversize cooler (like for towing duty), then definitely do it.
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Team Blitz Ford Capri parts worldwide: Restoration, Road, or Race. Used, Repro, and NOS, ranging from scabby to perfect. Itching your Capri jones since 1979! Buy, sell, trade. www.teamblitz.com blitz@teamblitz.com
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slater
Club Retro Rides Member
Posts: 6,390
Club RR Member Number: 78
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Apr 19, 2008 15:07:23 GMT
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Finding a sanwich plate shouldnt be hard you only need to know the diameter of the filter and the thread size.
You relly should have a stat for anything other then racing.
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Apr 19, 2008 15:25:31 GMT
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Thanks for the replies. I am a dummy - of course the cooler in the rad is for ATF . I really should think about these things first. Not to worry, I have a couple of oil coolers that are designed for the purpose, in a box somewhere. I don't have an oil temp gauge, but I do have an oil pressure gauge. After 10 hours of driving, and being stood in summer traffic for 4 hours (Run To The Sun a few years ago...), the oil pressure dropped fairly low - still perfectly fine, but I could tell the oil was getting incredibly thin and perhaps overheating. I shall look into the sandwich plate dimensions and thread pitch. I could kill two birds with one stone and get a take-off for the turbo oil feed while I'm at it. Thanks again chaps
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Apr 19, 2008 19:22:41 GMT
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thread will mostly be M18, 3/4 unf or M20. most M20 filters actually have it marked on the base near to the thread, which is nice... I splurged for a for a mocal sandwich plate with built in oil stat for neatness (and lack of leaks, my capri always leaked from around the stat). was £40 from matt lewis motorsport on ebay. then down the local hydraulic outfitters for pipes and uniuons 'cos they're half the price of anywhere else
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Apr 19, 2008 20:12:15 GMT
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Thanks Edd. I need to drop the oil at some point so I shall have a nosey. Does this mean that something made for a different engine will fit?
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Dez
Club Retro Rides Member
And I won't sit down. And I won't shut up. And most of all I will not grow up.
Posts: 11,784
Club RR Member Number: 34
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Apr 19, 2008 20:14:49 GMT
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Thanks Edd. I need to drop the oil at some point so I shall have a nosey. Does this mean that something made for a different engine will fit? yes. the merc will be metric, so a pretty common fitment, very easy to get one for.
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Apr 19, 2008 20:16:40 GMT
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Thanks Edd. I need to drop the oil at some point so I shall have a nosey. Does this mean that something made for a different engine will fit? yes. the merc will be metric, so a pretty common fitment, very easy to get one for. Cool! I'll get on it as soon as I get some time (about mid-2014 by current estimations)
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Apr 19, 2008 20:19:36 GMT
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I got one like this- form herenice wide area allows many diameters of filter to fit. I geuss you could ask the seller beforehand about dimensions. and I wouldn't garauntee it being metric, my bmw (entirely metric) uses a 3/4"unf filter!
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bbq
Part of things
(. )( .)
Posts: 485
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Apr 19, 2008 20:27:40 GMT
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3/4" UNF is pretty much an industry standard. If in doubt take it to a machine shop and ask if they can measure the thread for you. Otherwise, I've got some thread pitch gauges somewhere[/i] that I could post to you. The gauges often turn up on Ebay and are a good excuse to buy more tools.
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2003 Suzuki Wagon R+. Feel the POWAAARRRR!!! 1968 Volvo 142. My street/strip car. Currently fubarred, it will run one day. 1971 Volvo 142. Parts car. Stripped and gone. 1993 Nissan Sunny diesel. Runs on cooking oil! [/UR
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