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um yeh your right this isnt a thread about the motors but it relates directly to them if you hadnt firgured the motor drives the gearbox

jeff was stating they dont last long behind L series motors and i merely stated that L series motors produce more torque and in which case they will break a 63a alot easier then what an A would

and another thing i believe errol of datrats is running a 63a behind his 2L L series race motor now surely if it can stand up to a 2L race motor it will surely handle the most powerfull A series motors

and what does it matter what ive done?
what does it matter if you have built and raced cars?

i think what he's trying to say is the A series will take a while to kill the 63 box out of the L series...

datto1000wagon Jeff builds and races cars. So what have you ever done thats good ? He was talking about boxes not A or L series engines. This is an L series box into A series engine thread.

r-fast this is for an A series not an L
and horsepower has nothing to do with breaking a box. the l series will always have more torque then the A and that is what breaks them not the hp

Hey Woody,
my 2 cents worth .........
Stanza dogleg boxes are weak as p#ss
Okay I suppose for the rally work they were meant for but they don't stand up well to horsepower. After using the 260Z close ratio box I won't use anything else - so good that I bought one of Errol (Datrats) reco boxes. If you are going to go to all the hassle of making an L series box fit - then go for a strong close ratio - it will be far more rewarding.
Cheers

Send the input shaft to me and I'll use a proper grinding machine to reduce the input shaft diamater. Lathes are inprecice for this sort of thing. At the very least you need a monoset to do the job. I can't remember who has done this before on here but they have used the stanza input shaft. There is no reason why you can't just make the brass spigot larger to accomodate the input shaft of the l series but you will need to shorten the spigot length on the input shaft.

If you need, I'm happy to do some grinding... I think I know someone who works at a place that may build gearboxs.......

and i wouldnt be trying it if you havent done any lathe work before
that would be hardened steel, alot harder and slower to machine then mild

It's a bit tricky turn down the input shaft. There is nothing to hold it by. The one I had turned down had to be held in a tapered jig that held it by the tapered synchro ring journal.

*sighs,

Ian used to make a thin adaptor plate to sort out the bellhousing issue on his speedway sunny before he went full L series....then CA

To my knowledge, no one has ever done this. Many have talked about it.

Woody, let us know if you can make it work.