How to fit bc racing top mounts

[geordie]

hi Is about to fit my bc dr coil overs. There is no instructions on the top mounts ? They are the solid ones supplied by Kam Racing. Has anyone got a guide or any pointers.

 

[imprezaworks]

Kam Racing not have them?

 

[geordie]

Tbh I didn’t even get any paper work from Kam Racing I’ll contact them in the morning

 

[JamesBryan]

Unbolt the round disc off the top, the one with the 3 Allen head bolts.

Put the coilover in from underneath the car and then bolt the disc back on.

Spinning the disc will adjust your camber and castor accordingly.

 

[bloke]

Make sure where it sits in the turret is flat, some are pushed up slightly.

 

[JamesBryan]

Make sure where it sits in the turret is flat, some are pushed up slightly.

Is it me or are the holes in the turret not quite round? Lol

Noticed it on a few.

 

[geordie]

What’s the Allen bolts for ?

 

[geordie]

I’ve seen a few oval holes I remember a Renault garage making them oval to stop strut top noise

 

[JamesBryan]

What’s the Allen bolts for ?

For bolting the top plate to the botton part of the top mount.

 

[Raceface_13]

any idea what torque the allen bolts should be done to?

 

[JamesBryan]

any idea what torque the allen bolts should be done to?

Not a lot as they're M6/M8 and only going into aluminium. Nipped up by hand really.

 

[bloke]

Is it me or are the holes in the turret not quite round? Lol

Noticed it on a few.

seen some that look bloody odd shaped tp say the least!!

 

[Louis]

seen some that look bloody odd shaped tp say the least!!

Iirc they used to be rounded by renault to cure a knock?

 

[Eyysee]

Holy thread revival batman!

Fitted BC BR coilovers a few months ago with the pillow ball top mount (with adjustable camber/castor) however I have been chasing a knock ever since I fitted them. Did the usual preload reset and made sure everything was tight however the knock still exists (the car has new Powerflex inner and outer ARB bushes, wishbones bushes and ball joints). Only seems to happen on bumps/potholes where it's more likely to have a short jolt and become unloaded.

So I unbolted the camber disc and raised the car enough to take initial weight off and noticed that the top mount where it joins through the turret has a bit of play (see attached video). After pulling the coilover out, I noticed that it has worn away some paint on one part of the turret edge and there are contact marks on the top mount itself where it's been rubbing. It seems the unit doesn't go in with a neat/tight fight into the turret (alluding to what's already been said above about funny shaped turrets).

I'm in the process of ordering some OEM spring hats from KAM (on back order) for the BRs so I can fit some KTEC solid top mounts to see if I can get rid of this movement however I'm interested to know if anyone else has experienced this?

Pinging @JamesBryan as you seem to have posted a bit about the BCs!

 

[JamesBryan]

Holy thread revival batman!

Fitted BC BR coilovers a few months ago with the pillow ball top mount (with adjustable camber/castor) however I have been chasing a knock ever since I fitted them. Did the usual preload reset and made sure everything was tight however the knock still exists (the car has new Powerflex inner and outer ARB bushes, wishbones bushes and ball joints). Only seems to happen on bumps/potholes where it's more likely to have a short jolt and become unloaded.

So I unbolted the camber disc and raised the car enough to take initial weight off and noticed that the top mount where it joins through the turret has a bit of play (see attached video). After pulling the coilover out, I noticed that it has worn away some paint on one part of the turret edge and there are contact marks on the top mount itself where it's been rubbing. It seems the unit doesn't go in with a neat/tight fight into the turret (alluding to what's already been said above about funny shaped turrets).

I'm in the process of ordering some OEM spring hats from KAM (on back order) for the BRs so I can fit some KTEC solid top mounts to see if I can get rid of this movement however I'm interested to know if anyone else has experienced this?

Pinging @JamesBryan as you seem to have posted a bit about the BCs!

View attachment 1641920

That's normal by the look of it and wouldn't happen once the top plate is bolted on.

Is the central nut tight? Remove the black dampening screw and the gold collar underneath and check that the big nut is tight.

 

[Eyysee]

Interesting! Central nut is as tight as a nuns... purse (without overtightening). I assume you mean the top nut here as the dampening screw and gold collar are one and the same thing.

 

[JamesBryan]

Interesting! Central nut is as tight as a nuns... purse (without overtightening). I assume you mean the top nut here as the dampening screw and gold collar are one and the same thing.

Yeah the top nut.

Guessing you've tried swinging off the wheel to see if there's play anywhere?

 

[JamesBryan]

Maybe also try doing the 3 top plate screws up a bit more than you usually would.

Mine are paint marked and have never moved.

 

[Eyysee]

I can't say I've swung off the wheel no lol - given it's only held in by the 3x stainless screws on the camber plate, I'm not sure how strong it would be to swing off it!
I have nipped the 3x screws up and will see how I get on this weekend.