one turn of the krank will tell
One of our Army Inter friends is considering fitting a 6BD1-T to an F1 Inter 6X6, however the box with the engine is an Isuzu BG-5F and we are trying to identify of it is a direct drive 5th or an overdrive 5th?
http://www.aulro.com/afvb/remlr-army...ml#post1570954
Diana
You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.
one turn of the krank will tell
Last edited by slug_burner; 5th November 2011 at 09:00 PM. Reason: krank ,trank, you know
problem 1: I'm still trying to figure out how to select gears with it
problem 2: I'm not too keen on trying to turn over a 6BD1 by hand.....
I'd just unbolt the gearbox from the engine and try it.
You'll get heartily sick of cranking a 6BD1 even with the plugs out.
the problem atm is trying to figure out how to select gears in it...... only 2 levers that i can find, giving me a choice of 4 gears.....
That's easy.
One lever is the same as moving your gearlever forwards/backwards and will have 3 positions, the other lever is the same as moving your gearlever side to side across the gate and will have 4 positions on a 6 speed box.
Truck gearboxes usually have reverse near 1st, compared to car gearboxes which usually have reverse near 5th.
My MSA is
R 2 4
1 3 5
A six speed box could be:
R 1 3 5
- 2 4 6
or
R 2 4 6
- 1 3 5
or those patterns flipped left/right or up/down
apparently a 6BD1T + BG5F as a combo is found in a 84-86 Isuzu FVR....
Further to Dougal's post above - being a 5 speed (revealed by '5' in the model number) the top lever will have 3 positions.
My 6 speed has 4 positions and to select the extreme left and right positions the lever has to be pushed against internal spring pressure, while the 2 inner positions have no internal spring resistance (the lever feels floppy, but I use light 'bias' springs in the shift linkage. My best guess is that the 3 positions with the 5 speed box will have 'bias' springs to centre the lever between the extreme left & right positions.
Going by Isuzu boxes I know of, the 1st part of the model number (BG) is the box design, the '5' is number of forward gears, and the suffix (F) is a variant (other variants most likely have different ratios.
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