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Red firesleeve does the job nicely. Take care you do not select a dimension that fits too tightly over the fuel line: a loose fit that does not have to be massaged over the line is good. And make sure you seal off both ends of the sleeve. To keep the fire sleeve from soaking up oil or fuel, use red...

Mike, I always appreciate you sharing your Aerovee experience. Thanks! I made covers for those access holes I added to the baffles, for the top aft nuts. You can see a #6 screw, with a rivet tail next to it. An aluminum pop rivet holds the cover off to the side and it pivots on that rivet. Clever!!

I scratch built, but still lots of useful information (I think) on my site: http://www.mykitlog.com/users/index.php?user=mikesmith&project=698 Make sure you're looking at the Sonex project. I have an RV-7 going on there, too. Welcome, good luck, and don't be afraid to ask lots of questions of th...

My own personal preferences based on 8 years and 560 hours on the engine: - For the first 2 years I did everything by the book. That would be my first recommendation. Do it, see what happens, and get to know the engine. - The first couple of years of flying, I re-torqued the heads every 50 hours. Du...

My understanding is aviation oils should not be used in a VW. The explanation I have heard (so take it for what it's worth) is that the molecules in aviation oils are larger than in something like the VR-1, so don't pass through the system as they should. And yes, you need the zinc. I think Sonex re...

The Aerovee has 2 pressure releif valves, one front and oe rear. You may want to make sure the long spring did not get put in the back, that would do away with the bypass for the top mount oil cooler if it gets plugged or very cold which could cause low oil pressure even it the pump is working OK. ...

Since I've just gone through a low OP issue (finally solved) I'll add this to Graeme's response. The plungers sometimes get stuck (corrosion is a possibility). It should move freely in the channel. Using a telescoping magnet allows you to both push and pull the two plungers. If one or both don't mov...

SUCCESS!! The issue appears to be that the OP relief valve springs had worn out. I ordered new plungers/springs, and when I compared the original springs that I took out, to the new springs, the new ones were nearly an inch longer! So the old springs had lost enough strength to hold the plungers aga...

Mike, I've replaced the VDO sender to cure that symptom. Vibrations seem to make them go "sticky". I posted the other week about difficulties finding stock on the VDO 360-001 sender - which has the M10x1 thread for the case. But I did just find some at JBugs this week. You can also use a ...

Keith Macht emailed me and posited: "The only idea I had that you might not have checked is to make sure your oil pickup tube is still secure to the case. It sounds like the oil system is maybe getting air in somehow. It is just one nut holding the pickup tube in place and the other side is jus...

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Re: fuel line insulation

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Re: Aero Shell 20W50 used in Areovee (non-turbo)

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Re: Wildly Fluctuating Oil Pressure

Re: Wildly Fluctuating Oil Pressure