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Thread: m35a3 air intake on the m35a2

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    Colonel montaillou's Avatar
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    Default m35a3 air intake on the m35a2

    I'm thinking I'm gonna be needing some extra room in the engine bay and going with an exterior air intake. I've seen pics of the m35a3 and am concerned at what appears to be an obstruction of sight because it sits pretty high.

    Does anyone have a comment about the air intake on the a3 and if it does block your vision when you look that way?
    Not so much a signature as a cry for help.

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    4 Star General Scar59's Avatar
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    I have not experienced any blind spot issue while driving/maneuvering the vehicle. The A3 intake air filter is easier to service than the A2 under hood filter assembly.
    I'm not saying let's eliminate all the stupid people. I'm just saying let's remove all the warning labels and let the problem work itself out.



    1997 M35A3C, 1987 M35A2C, 1973 M35A2C, 1971 M813A1 W/W, 1985 M931A1, 1985 M925, 1972 m817, 1984 M936, 1984 M923, M105A1 (4ea), 1972 M38A1, MEP 002a on M116A3. MEP531A, MEP501s
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    4 Star General rustystud's Avatar
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    I've had no problems with mine at all. It really free's up space being out there too. I added a extra cab heater there on mine, plus my towing control box.

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    4 Star General cattlerepairman's Avatar
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    One would need the A3 engine side panel too, correct? It is shorter?

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    MVPA member. 1974 M35A2C w/w "Queen Lola", rebuilt LDS-465-1A, "D" turbo, Waterloo Overdrive upgrade. Med towbar, 11.00R20 Goodyear G286, flipped hubs, remote brake fluid reservoir, spin-on filters, bypassed FDC, LED taillights, LED headlights, LED turn signals, WESTACH EGT/boost gauge, AVM lockout hubs, LED convoy light, LED lollipop lights, HMMWV seat on air ride base, M211 dash passenger grab handle, hood lift kit, 24V solargizer/battery minder, ether start kit, flasher module mod, heavy duty dog bone ends, M35A3 aluminium fuel tank.

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    4 Star General Scar59's Avatar
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    Yep, passenger side panel is shorter. Pretty easy to modify the existing side panel. Relocate the aft lower hinge and cut the panel down and move the latch hardware.
    I'm not saying let's eliminate all the stupid people. I'm just saying let's remove all the warning labels and let the problem work itself out.



    1997 M35A3C, 1987 M35A2C, 1973 M35A2C, 1971 M813A1 W/W, 1985 M931A1, 1985 M925, 1972 m817, 1984 M936, 1984 M923, M105A1 (4ea), 1972 M38A1, MEP 002a on M116A3. MEP531A, MEP501s
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    4 Star General rustystud's Avatar
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    Quote Originally Posted by Scar59 View Post
    Yep, passenger side panel is shorter. Pretty easy to modify the existing side panel. Relocate the aft lower hinge and cut the panel down and move the latch
    hardware.


    That's exactly what I did with mine. I didn't get it totally even with the hood though. I forgot that the panel is "tapered" and just cut it straight. It works fine though, just a larger gap by the filter housing.

    002.jpg003.jpg
    Last edited by rustystud; 04-08-2019 at 00:13.

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    4 Star General Scar59's Avatar
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    Looks factory to me Rusty, my unaltered A3 has about the same gap, I think my hood may be warped.
    I'm not saying let's eliminate all the stupid people. I'm just saying let's remove all the warning labels and let the problem work itself out.



    1997 M35A3C, 1987 M35A2C, 1973 M35A2C, 1971 M813A1 W/W, 1985 M931A1, 1985 M925, 1972 m817, 1984 M936, 1984 M923, M105A1 (4ea), 1972 M38A1, MEP 002a on M116A3. MEP531A, MEP501s
    2 dogs, 2 cats
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    Quote Originally Posted by rustystud View Post
    ..... I forgot that the panel is "tapered" ...
    How can that be - if your truck is a M35A2?
    AFAIK only the gassers and the A3's have tapered side panels. Multifuel trucks all came with straight/square panels (= 9" tall, measured from center of hinge pin to top edge, front and rear).

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    4 Star General rustystud's Avatar
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    Quote Originally Posted by gringeltaube View Post
    How can that be - if your truck is a M35A2?
    AFAIK only the gassers and the A3's have tapered side panels. Multifuel trucks all came with straight/square panels (= 9" tall, measured from center of hinge pin to top edge, front and rear).

    I should clarify a bit. The filter box is taller and has a slight taper to it. I didn't take into account this difference when I cut my panel so it looks a little funny. I had to "hammer" my hood to get clearance. You can see this where the panel meets the filter unit.
    Last edited by rustystud; 04-09-2019 at 01:43.

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    I received my A3 air filter assembly and short side panel. I have two observations and one question:

    - the short A3 side panel does not fit the A2 without serious modification. It is overall too wide and tapered, whereas the A2 needs a straight top edge. I think cutting the A2 panel is less work than getting the A3 panel to fit.

    - The A3 air intake is huge; it looks like 4 inch pipe and the A2 is quite a bit smaller. The A2 mushroom doesn't fit. I need to get a bigger mushroom and adapt the puny mulifuel intake to the honking A3 elbow.

    Rusty, can you post pics of what your air intake looks like and how you plumbed it?
    Last edited by cattlerepairman; 05-17-2019 at 19:29.
    MVPA member. 1974 M35A2C w/w "Queen Lola", rebuilt LDS-465-1A, "D" turbo, Waterloo Overdrive upgrade. Med towbar, 11.00R20 Goodyear G286, flipped hubs, remote brake fluid reservoir, spin-on filters, bypassed FDC, LED taillights, LED headlights, LED turn signals, WESTACH EGT/boost gauge, AVM lockout hubs, LED convoy light, LED lollipop lights, HMMWV seat on air ride base, M211 dash passenger grab handle, hood lift kit, 24V solargizer/battery minder, ether start kit, flasher module mod, heavy duty dog bone ends, M35A3 aluminium fuel tank.

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