It grinds? are you trying to shift while driving? Your supposed to be stopped when shifting or a slow roll in neutral. I have problems shifting in and out of 4lo but if i get rolling in reverse then push in the clutch It will shift fine.
After putting a 4:1 kit in my Dana 300 and seeing how it goes together, it is easy to understand why they are hard to shift. With a single shifter you have to have the gear teeth on both output shafts lined up at the same time. This takes a bit of rolling around and turning the wheels to accomplish. I put twin sticks on mine and it is easy to shift now since each output shaft can be shifted separately. Twin stick is the only thing that is going to make a dana 300 easy to shift.
Twin Sticks....Mine did the same thing grinding and being generally unfriendly shifting. When I did my engine swap I went to twin sticks and it shifts super smooth now.
1985 CJ7 Project Phase One : 5.3L Vortec/4L60E, Moser axles for AMC20, Twin Stick'd Dana300 - Completed Phase Two: Bedliner, Rollcage, Seats, BESRK Rear Bumper w/ tire swing, Soft Top, and a few other goodies - Mostly Complete Phase Three: Waggy 44 front, Scout D44 Rear, 4.56's, ARB's (F/R) SOA with YJ Springs, 35x12.50x15 BFG MT - Not Even Close to beginning
Also a mostly rust-free 1970 Scout 800A That I'll get to start working on someday...
Chrome won't get you home...BUT Rattle Can Black may just get you back"
have been shifting i nuetral stopped, will have to try rolling slow.
my linkage is stiff no slop present.
the main is is gettin in and out of 2wd and 4wh, once you are in the forward 2 gears it butter which is funny cause everywhere i read it seams like 4 low is the though one for most other people
The problem is with the auto and having it in neutral when shifting the transfer case. Try putting the trans in park first to stop the shafts from spinning. In neutral the output shaft of the trans is still spinning due to friction of the fluid and all the rotating components. This causes the input gear of the transfer case to spin, even though the transmission is in neutral. VERY common on 4x4 vehicles with automatic transmissions.
'59 CJ-5, '59 CJ-6, '68 CJ-5, Bone stock '57 CJ-5, a couple of XJ Cherokees
Should be fairly easy to do once you have all the parts collected up. Doing the mods to the shift rails to allow 2L/2H (F) - 2L/2H (R) - 4L/4H is about the only tough part. The external stuff is just bolting up the shifters and making sure they don't clash against each other which seems to involve some bending and tweaking.
As to the OP about the D300. Seems to me they are always balky since you are trying to line up two different spline shafts from a single input. My previous setup (151/SR4) would pop into 4H very well but it needed to be nudged a bit getting into 4L, sometimes would slip like silk, other times it would be a fight.
i went wheel for the first time in my cj last night and when i went to shift in to 4h it was butter
man this case is unperdictable.
It's because of what I already said. When you shift into 4 wheel with one stick both of the sliding gears have to line up with their mating gears at the same time. You got lucky yesterday and they happened to be lined up when you shifted. This will rarely be the case. With twin sticks you can separately shift each side so the two sliding gears are not dependent on each other's positions. It is really a simple reason why the D300 is difficult to shift into 4 wheel.