L series and gearbox q's

[rob.121]

Just a couple of quick questions,

What are the differences between a 180b 4spd box and a 910 bluebird 5spd box? are they physically the same size? do they share the same mounting points?

does a L20b motor share the same mounts as a L18 motor? From what i have read a L20b is 20mm taller but that is the only physical difference between the two? Im guessing the L20b is just a stroked L18?

any advice appreciated cheers

[mint16]

L16 and L18 use the same blocks, L20bs are a taller block.

[rob.121]

Does the L20 share the same mounts? from what im told the L20 is 20mm taller?

[Bartman]

yes, the block is taller.

[mint16]

same mounting points on block, but there are differences in the mounting brackets to suit different crossmembers in different models.

[mint16]

and the sumps are different between L16/L18/L20b.

[Bartman]

The sumps (And dipsticks) also vary depending on the car. ie "midsump" or "frontsump" I spent hours moddifying an 810 frontsump to clear to drag link on my old 310 coupe, only to find that there was a sump from a 910 which had had rack an pinion steering that was just the right thing all along.

[mint16]

yeh i shoulda mentioned the sumps in my above post about mounting brackets haha!

[rob.121]

Thanks for clearing that up! I have a L18 already mounted in the car, with mounts made up to suit, so i can re use those mounts with the L20 and if the sump on the L20 motor isnt the right one (havnt got the L20 yet) i will put the L18 sump on it..