5 replies to this topic

[Daze]

Hi all,

Can anyone tell me the differences between A and A+ s/c drop gears, and differences between small and large bore s/c drop gears?

I have a set of straight cut drop gears available for me to buy, but I'm not sure what engine they are for? I counted the teeth, and the 3 gears have...

23 teeth, 24 teeth and 31 teeth.

Any help welcome.

Thanks.

[Guess-Works.com]

When dealing with SC drops, the input and the primary gear are the same weather A+ or A... for reference the 998 Primary has a bush I/D of 1.5", where as the 1275 has an I/D of 1.625"

The idler gear is the difference, the A+ idler has even length shafts with a O/D of .875", and the A series has odd length shafts with an O/D of .75"

You can use an A series idler in an A+ gearbox / transfer case if you the DAM3745 conversion bearing, but an A+ idler cannot be used in an A series case.

[Daze]

Many thanks for the reply. I'll print that reply off and go measure some stuff!!

[JetBLICK]

Many thanks for the reply. I'll print that reply off and go measure some stuff!!

lo, did you get a 998 s/c primary gear, if so, where did you get em from? i canne find em, and wouldn't mind one from my A+ 998

[Daze]

I'm not sure yet, haven't got round to measuring them. I got them from a mate of mine. Not sure if they are for 998's or not.

[scotty_18]

After doing a bit of reading, I've found out these are A series straight cut gears.

 

 

 

 

 

 

WRONG THREAD SORRY!

Edited by scotty_18, 29 July 2013 - 04:39 PM.