Re: [AMC-List] My "new" J-10 truck!

["Jim Blair" <carnuck@xxxxxxxxxxx>]

A: Glad to hear no probs! Your vacuum leak may be a dead booster or split 
hose (although loose and AMC 6 cyl intake in a FSJ tends to go hand in hand. 
Usually due to the front hanger missing that keeps it attached to the 
bellhousing so it swings WITH the engine/trans)
   The vibe may be a bad tire or bent axle flange (or just a M20 axle 
bearing going out) or just a plain old worn out Ujoint (middle slip joint 
driveshafts often seem to be taken off and stuck back on without regard for 
Ujoint alignment as well)
  The NP208 (only tcase used with std trans '80 and newer) can be upshifted 
while moving IF you are adept at meshing non-synchro trans. I would go up to 
almost 20 mph in low range hauling my 5 ton trailer up a 10% hill, then pop 
into neutral (with a 999 auto. You just push in the clutch twice with the 
stick) then shove the shifter into high range and slam the trans shifter to 
1st and engage the throttle right after I felt the trans engage.
   Not the easiest thing to do, and the grinding can be unnerving as you 
practice. Watch out for too much chain slack!


Quoting farna@xxxxxxx:

>Well, I got it home from NYC with no problems at all! The
exhaust is kind of
>lud due to some leaks, but it drove fine. Vacuum seems to be a
little low, so
>I may have a vacuum leak in the manifold. It has power brakes,
but sure
>doesn't feel like it! The previous owner (PO) stated that he
put metallic
>pads on and that it stopped much better with standard pads.
That's a cheap
>swap, might have to find out! He also told me that only one of
the front
>calipers was bled recently due to a broke off bleeder screw. A
rear tire is
>out of balance or has a slipped belt, but the PO told me about
that. Gets a
>vibration in it around 55 but not bad now. It started a little
unsettling,
>but as I drove (couldn't go over 55 while near the city
anyway) it got a bit
>better. I ended up driving at 65 or so most of the way home
with just a bit
>of vibration -- not enough to be anooying or uncomfortable.
The exhaust
>system is BADLY rusted -- could be original! It's definitely
leaking some,
>sounds about !
>  like an
>  old tractor! Planning on replacing it soon -- will look
on-line and see if I
>can buy a head pipe so I don't have to replace the cat.
>
>He'd been using it to snow plow with, and boy does it show!
Lots of flakey
>surface rust on the front frame, and bolts that were difficult
to get off.
>Nothing you northerners aren't accustomed to, but I'm sure
not!! One main
>bolt holding the plow frame on must be bent -- couldn't drive
it out with a
>2# shop hammer! It's a 1/2" bolt. I'll get a local shop to
blow the head off
>with a torch. I found some braces welded on the front
crossmember that will
>need to be cut off anyway. Now I know why the PO didn't take
the frame off,
>just the pump, hydraulics, and blade! I let him keep the plow
in exchange for
>an aluminum cap. Probably won't use that much either, but can
use it more
>than a snow plow in S.C.! I'm driving the truck down in a
couple weeks then
>parking it until I move there. Wanted a Jeep, and this one
looked pretty
>good. It has some rust here and there over the body, but seems
to be typical
>J-truck stuff. I'll use it a year or two then start patching
here and there
>as lon!
>  g as ev
>erything seems to be okay. Should -- the trans (nice "snap" in
every gear!)
>and transfer case were rebuilt over the last 3-4 years.
>
>The four speed (T-176) acts more like a three speed with OD
with the stock
>2.73 gears. No point in using fourth unless you're traveling
over 45-50. With
>a load there will be lots of 3-4-3 shifting. Not a problem
though, first
>seems to be low enough for a light load, and there's low range
in the
>transfer case if not. IIRC it can be shifted from low to high
on the fly with
>no problems. Anyone know for sure (Jim B?)
>
>--
>Frank Swygert
>Publisher, "American Motors Cars" Magazine (AMC)
>For all AMC enthusiasts
>http://farna.home.att.net/AIM.html
>(free download available!)
>

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