A couple of friends came over on
Friday and we took the engine out of the M.G. Nothing gave us much trouble. All the nuts and bolts came free
easily, even the exhaust. An amazing number of nuts and bolts were missing, which really helped with the
disassembly. We took a few pictures and of course labeled everything carefully, with the idea that this will
somehow help us figure out how to put everything back together in the Locost. We'll have to see about that. In
a pinch, we always have Google.
Yet another use for brake cleaner: jack stands
It's great having the engine and trans all in one piece, ready for cleaning and painting, and it's
particularly nice to know they're in running condition and will work as soon as they're plugged into the Locost.
But the biggest benefit of having them out of the M.G. was being able to set them up in the mock-up frame. As expected, they didn't
immediately fit, however, being wood, the mock-up frame was easily modified, and with a little cutting and
taping we were able to get the engine close to where it needs to be in the frame.
Making room for the distributor
The biggest problem fitting the frame was the triangulation beam in the engine bay, which wants to run straight through the
oil filter and distributor. That tube had to go, or at least get moved out of the way. I don't think moving it will
compromise the integrity of the engine bay, which has precious little integrity to begin with, and seems to derive a lot
of its strength by using the engine as a structural member. In any case we're not removing it
completely, just making it less intrusive.
Lopsided transmission turret
Next problem was the transmission tunnel. The turret on the MGB gearbox is offset from the transmission's
centerline. I suppose this is to give the driver, who of course is sitting on the right, a little more room.
In a Locost, there's no such thing as a little more room. So the transmission tunnel will have to encroach
into the cockpit nearside, just an inch, which likely won't be missed. We're only going to widen the
tunnel next to the transmission. The driveshaft tunnel will be centered, and a more typical 5" wide.
Now easy-to-remove Locost distributor cap
Also getting a makeover is the bell housing opening in the firewall, which is defined by the two
center H-tubes, which on the mock-up frame are 10" apart, and on the steel frame will be 13" apart.
Luckily, most of that extra space will be confiscated from the passenger footwell,
to provide room for the clutch slave cylinder. We haven't made these modifications to the mock frame
yet, but I'm confident once we do we'll be able to get the engine backplate within 3-1/2" of the firewall,
allowing the transmission turret opening to clear the forward transmission tunnel brace. Or so we hope.
Not as tall as it looks
While we had the engine in the frame, we took some measurements of the sump clearance and engine height. With the
frame resting on jack stands (okay, four cans of brake cleaner), the oil pan sat about 3/4" below the bottom
frame rails. The top of the valve cover sat 10-1/4" above the upper frame rails, which is 1-1/4" above the hood line.
So a 2" bulge over the valve cover is a given. What to do about the heater hose, oil filler cap, distributor vacuum line,
carburetor dashpots, and throttle cable is still on the drawing board.
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posted December 21, 2018 at 06:28:32
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