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Join Date: Jun 2005
Location: texas
Posts: 56
sheet metal missing??? or air without direction !!!

So the a/c installer butchered the sheet metal along the front passenger side of the engine. I am gonna say "He" but it could have been "She" cut the tin in such a fashion that replacement of the front tin and repair of the 3-4 tin was possible. Also they (hey thats better) cut into the rt. side shelf panel. I have a body guy to fix that when the battery support and tray get here.
But I think I am missing some metal under the bottom. There is one shield under the 3-4 side and none under the 1-2 side. I know I am missing the heater stuff but it is over 50 degrees here in Texas most of the year. So finding the heater stuff can wait for now. But it looks bear on the 3-4 side below the oil cooler. You can see the oil cooler from the bottom. Am I missing something or is this a normal thing? I know without the heater hoses and heater valves there will be some extra space. But ???????
Also where duz the hot air escape the engine. Will it blow down on the ground or out the sides or even the rear ? It looks like the air is gonna escape in all those places.
And yes the heater hose holes will be covered with a removeable patch.
Old 08-02-2005, 09:45 PM
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Cooling air does escape the engine all around the underside, but it's supposed to do that.

I don't know what metal you're missing--there are two pieces underneath the cylinders and head on each side of the motor. There is one that is right up against the bottom of the cylinders and the head, and cannot be removed without first removing the pushrod tubes. That one is absolutely critical to engine cooling.

There is a second piece that bolts on to the heat exchangers and the crankcase sump. (Again, one on each side of the engine.) That is less important to cooling. Frankly, I'm not certain exactly what that one does, but the factory put very few "extra" parts on these engines, so my inclination would be to find another piece and install it. Check for the mounting bolt-holes.

The parts are similar, left to right, but not identical, or even symmetrical. That's because of the way the one side's cylinders are offset forward relative to the crankcase, and the other side's are offset rearward.

The bottom pieces of tin, those that bolt to the heat exchangers, are not the same for all years. 70-74 is the same on the right side, but the 73-74 has a different left side piece than the 70-72. (It changed to make room for the side-shift linkage.) The 75-76 cars have different pieces because they're bolting to different heat exchangers.

--DD
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Old 08-02-2005, 11:12 PM
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Join Date: Jun 2005
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Well as you said I cant see a reason for the lower tins to be there. I will order the 1-2 side anyway. The reason I was interested about the direction of air flow was that on VW"s all (well almost all) the air is diverted to the rear of the car. But I can see that in the case of the 914 the trunk would get very hot if all that air was diverted to the rear.
I am quite knowlageable of the tin directly below the cylinders. I dont know how many times I have seen botched engine jobs where the tin was left off. Oh and one time I even saw that same tin on top of the cylinders it ran a little HOT!!!!!!!!! LOLOLOL!!!!! BUT NOT FOR LONG!!!!! TEHE!!!
Old 08-03-2005, 07:53 PM
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