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So I decided to do my first oil change on my VS that has just over 1000 miles total. It should have a valve clearance check and oil change @ 700 miles per Vintage Speedster. Well I throw it up on my 4 post lift, drain through the main drain, and remove the 6 nuts holding the sump plate. 3 nuts come off and 3 nuts come off with their accompanying threaded studs. Then the good part. There is no sump strainer! Representative for seller originally said that he believes no oil change or valve check was done and that was at 860 odometer miles. Very strange, so I just ordered a new strainer. Additionally the rear axle boots had totally loose clamps that were seeping oil. So loose that I could spin the clamps with my fingers. Could all these oversights have come from VS when it was built?

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Does the motor have an external oil filter? If so then no strainer. Yes the small studs can walk out, secure then back in with a dab of JB' etc. Be sure not to set them in ( clean) too deep and when tightening the acorn nuts uses a short 1/4 ratchet and tighten with just your pinky finger ( I'm old school and it still works) any more and you'll strip the studs or acorns. Tighten the clamps top off the trans oil and confirm that they seal.

Last edited by Alan Merklin
Alan Merklin posted:

Does the motor have an external oil filter? If so then no strainer. Yes the small studs can walk out, secure then back in with a dab of JB' etc. Be sure not to set them in ( clean) too deep and when tightening the acorn nuts uses a short 1/4 ratchet and tighten with just your pinky finger ( I'm old school and it still works) any more and you'll strip the studs or acorns. Tighten the clamps top off the trans oil and confirm that they seal.

 Hi Alan, there is NO external oil filter and also no strainer. There is an oil cooler with a fan near the firewall, but no external filter. I have a strainer on order from Amazon so waiting for that. Just weird the strainer is not there with so few miles.

Alan Merklin posted:

...."There is an oil cooler with a fan near the firewall"  OK I may be wrong but maybe,  it was not a VS motor install, perhaps someone else has been there.

Not sure, but the engine case said Brazil stamped on it.

maybe the Boys from Brazil installed it. ����

Seriously though, the oil cooler is an option from VS,

External Oil Cooler & Fan $395.00

and I believe that Kirk priced it out on a sheet, when I was looking to buy it originally.

Steven,

There is a line coming off the oil pump, just under the pulley. You want the filter to be in that line. I'd recommend installing a thermostat for the oil cooler as well (not for the fan, a diverter stat for the cooler itself, so oil doesn't run through it until it's up to temperature). Mocal makes something called a "sandwich plate" which eliminates a couple of extra hoses. You'd have to cut some lines and move a few things around, but it's pretty easy.

After that, just run without a screen and get a sump-plate with a drain-plug. Easy/peasy. 

Alan Merklin posted:

Without pulling the motor the easiest is to change out the oil pump for one that has the external fittings, you do need to be careful when routing the hoses past the exhaust though.  Gordon did tap his case but I don't recall exactly what he did. 

Al,

He's got an external oil cooler, so he's probably full-flowed, unless I'm missing my guess.

Steven, 

If there's no hose coming off your oil pump, you'll probably just run the screen and hope for the best.

When I installed my new sump on my 2275 I took out the strainer and installed a sump plate with a center drain bolt.  This year when Henry re-installed my engine he installed a strainer.  He said he installs one on all his air cooled engines.

I personally would, with the addition of an external oil filter, not put a screen back in.  I like the sump plate with a drain in the center, so I never have to take off those (include swear words here) little nuts that hold the plate on.

 

As for the nuts coming off with their studs, that's a common occurrence.  Just screw them back in after the oil change.

 

The strainer is NOT a filter. It protects the suction side of the pump from ingesting something and failing.

 

Years ago, a friend had a CB sump with the large plate. He was told not to use a strainer. One day his oil pressure dropped to zero. Wen we pulled the pump we found one of the M6 studs holding the sump to the case came loose and was sucked up the pickup and get jammed between the gears and sheared off the drive tab. Luckily it did not damage the end of the cam and he turned the engine off before anything seized..

Run a strainer, there's no downside.

BobG posted:

x2 Robert. That's how I am set up. Where is your filter mounted?

Driver side rear fender well. Seems to be a good place so far. I imagine though if I have a blow out and my tire comes apart it would cause some havoc, not on the scale of the Exxon Valdez, but a problem none the less. But I think the chances of that happening are slim. 

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