Adaptor plates: what kinds of tolerances are we talking about?
I'm measuring for an adaptor plate to mate a chevy bell housing to my Land Rover autobox (ZF - same tranny as most BMW, Volvo, etc). Maybe I'm just overthinking it, but I feel like the tolerances must be pretty tight to ensure proper input shaft alignment with the torque converter?
Or are the holes over-bored to allow the engine to self center before tightening everything down? First swap - so I'm clueless! :argh: |
Typically the bolts don't do the centering, the alignment dowels do. And yes it is critical to have the two centered perfectly.
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Gotcha. Is there a method to the madness aside from very careful measuring with good calipers?
The plate will fit between the input side of the 4HP22 transmission and the chevy 4L60E bell housing. |
You need to find true center of the bell and trans, then match them up.
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Thanks, will do. I'll have some centering dowels machined in too. Going to CAD the plate up and have it cnc'd out at my friends work (incidentally in Vancouver :) )
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