EP3 Type R

**doosra** · 05-03-2013 06:37 PM

Originally Posted by bluey45

I had a aftermarket unit as well, didn't have any issues. Probably just a wiring thing?

I've noticed of late that 2dayfm reception has gone worse... Mainly around my area cabramatta.. Other than that it's not too bad

**DreadAngel** · 05-03-2013 06:49 PM

Originally Posted by Symphorced

Still running stock. Think I should look into upgrading that at the same time?

Is it just body roll you want to clamp down on or is it understeer too?

Personally if its understeer that you're aiming at then do just the rear first, the RSB will have the biggest effect. Then you can decide whether or not you need to balance it with the FSB. It also depends what alignment and tires you have.

**Symphorced** · 05-03-2013 07:09 PM

Originally Posted by DreadAngel

Is it just body roll you want to clamp down on or is it understeer too?

Personally if its understeer that you're aiming at then do just the rear first, the RSB will have the biggest effect. Then you can decide whether or not you need to balance it with the FSB. It also depends what alignment and tires you have.

Trying to reduce both. So much bodyroll and understeer is always apparent. Running aggressive alignment and sticky tyres already (-3.5 camber front with 2mm toe out, -2.5 camber rear with 1mm toe in on Hankook RS3s). I'm going to be ordering the Cusco rear sway bar soon and see how that goes before changing anything else.

**DreadAngel** · 05-03-2013 07:22 PM

Originally Posted by Symphorced

Trying to reduce both. So much bodyroll and understeer is always apparent. Running aggressive alignment and sticky tyres already (-3.5 camber front with 2mm toe out, -2.5 camber rear with 1mm toe in on Hankook RS3s). I'm going to be ordering the Cusco rear sway bar soon and see how that goes before changing anything else.

Sorry to ask for more details man, but what suspension are you running [spec, spring rate, damper setting, height, etc] might be able to help you further as well =)

**Symphorced** · 05-03-2013 08:08 PM

Originally Posted by DreadAngel

Sorry to ask for more details man, but what suspension are you running [spec, spring rate, damper setting, height, etc] might be able to help you further as well =)

No need to apologise when you're offering me help and advice!

I'm on BC Racing BR coilovers (6kg/mm front, 8kg/mm rear), height I'm running about 100m off the ground. Damper is set to around 22 from softest (out of the 32). Other suspension mods include: inverted tie rod ends, shortened tie rods, rear camber arms and various bracing across the car (6 point bolt-in cage, front strut brace, rear tie brace, rear strut brace). The coilovers are definitely something I'm looking to upgrade in the future.

**DreadAngel** · 05-03-2013 08:34 PM

Do you have a video of you running by any chance so I can see when you're experiencing the under & roll?

Does it happen under power only? Or under trail braking? Or everywhere?

I'm assuming your car isn't too ample in the power/torque department and that your LSD is still good =)

Alignment wise looks ok from what I can see.

Tires are good, did you run the car with different tires? Possibly with less grip? Did the car under @ same or different speed? Was the under same or worse?

Damper wise 22 clicks front only? or is that front and rear? I'll be helping my friend dial in his EP3R on the weekend, I think he might have the same coilovers as you, I'll share what I did regardless =)

EDIT - Atm, most indications would point to some damper retweaking and RSB with FSB pending whether you like the changes or not... Cause depending on the diameter and construct of your chosen swaybar [Hollow v Solid], it might make the rear so stiff that you get an excitable rear end so that's when you balance it with a slightly larger FSB =)

**Symphorced** · 05-03-2013 09:03 PM

Under trail braking I don't get too much body roll/under. It's usually after hitting the apex of the corner and under throttle that I will get understeer/body roll.

Run with Toyo R1Rs front and Re050A rears before. That was getting me lift off oversteer more than anything due to the poor condition of the rear tyres. Dampers - I've run 22 all round before and also 22 front/24 rear. Didn't notice a difference.

Closest I have to a video is from a video mounted to the dash of a chasing car.. but that doesn't show much of me through corners and the tyres you hear are of his car.

http://www.facebook.com/video/embed?...51410699285605

This is the amount of body roll I get upon exit of a corner:

**viett** · 06-03-2013 03:23 PM

Hey does anyone know why my fuel millage is so terrible? I'm getting about 320KM to a full tank.

Vtecing it here and there, but not so often.

**DreadAngel** · 06-03-2013 03:37 PM

Check below =)

NB: Because you're running a JDM Import, do expect the mapping to be not so correct for Australian conditions, majority of imports doesn't matter if you're running an EP3 or a GT-R, run rich from factory [Both due to manufacturer's base mapping ie Conservative & due to our slightly lower Octane Fuel].

Checklist

Air Filter - Clean or Not
Spark Plugs - Electrode
Spark Plug Leads - Check overall condition including the plug cover end
02 Sensor - This can affect performance and economy...
Fuel Filter - You'll be surprised how many people neglect this...
Fuel Pump - Check to see if it's making noises, sign it could be on the way out

That's just some general stuff =)

**DreadAngel** · 06-03-2013 03:38 PM

Originally Posted by Symphorced

Under trail braking I don't get too much body roll/under. It's usually after hitting the apex of the corner and under throttle that I will get understeer/body roll.

Run with Toyo R1Rs front and Re050A rears before. That was getting me lift off oversteer more than anything due to the poor condition of the rear tyres. Dampers - I've run 22 all round before and also 22 front/24 rear. Didn't notice a difference.

Closest I have to a video is from a video mounted to the dash of a chasing car.. but that doesn't show much of me through corners and the tyres you hear are of his car.

http://www.facebook.com/video/embed?...51410699285605

This is the amount of body roll I get upon exit of a corner:

[img]http://24.media.tumblr.com/aff3b5c2438910fc7291c145c6be4c61/tumblr_mhjkt2kT9z1qmeqt7o1_1280.jpg[/ig]

If I play with my friend's damper settings on Saturday, will report back, I'll check your vid when I'm home =)

**butterfingers** · 06-03-2013 03:58 PM

Originally Posted by DreadAngel

Check below =)

NB: Because you're running a JDM Import, do expect the mapping to be not so correct for Australian conditions, majority of imports doesn't matter if you're running an EP3 or a GT-R, run rich from factory [Both due to manufacturer's base mapping ie Conservative & due to our slightly lower Octane Fuel].

Checklist