hi there the front diff on the escort was making noises so decided to see what would happen so i launched it and just as i thought bang!!

i was expecting something to go as iam running a harvie gibs 431 bhp engine on standard cosworth diffs and gearbox and harvie said they would need upgraded

iam planing on doing this as they brake
so it looks like i need a front diff

my question is what options have i got
what diff will i go for that will handle the power

thanks
ian

ps. if anyone has a suitable diff for sale let me know

 

i have a quaife in mine

 

What he said

 

could try a standard diff and strengthening plate and see if that works and try and source a thick wall case in the mean time

 

R+D 7 inch,job sorted.If it's good enough for Martin it will handle most peoples power outputs.

 

Quaife isnt always the way forward, depends if you like the way the car drove on the open diff.

you can always have a front diff built stronger with uprated bearings, shot peened and polished CWP and stronger planets but within a thickwall casing!

 

Kelvs right even if you have a Quaife ATB it will still use a standard Ford CWP. So thick wall casing and strengthening plate and a shot peene polish of the CWP would be a good starting point

 

anyone know what a grp n one is like?its suposed to be shot peened but i dont know the differences

 

Grp N is probably as ive described above.

think Grp N has to be pretty much standard parts, but can be strengthened, so possibly a slightly modified casing or even a strengthening plate!

 

too many options to try and get my head round and dont know whats for the best.

i take it a grp n wont take a launching

 

My front diff survived several hard lanches, until one day it decided to spit all the teeth it could thru the diff sump!!
and that was only a week after snapping the mainshaft in the gearbox

depends on how hard you launch i guess.

 

i ahve been known to be quite aggresive on the road and at the pod.think i may have to lay off it and get it rolling first when she's on the road.

 

thanks for the advice guys gave me alot to think about

still not sure what way to go need to do my research i think