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Front brake pads GTS25

bucket1577

By bucket1577,
in Engines & Forced Induction

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bucket1577 Apprentice

bucket1577

Posted
Posted

I hope someone out there can help me. I've got a '93 R33 GTS25 which need new front pads. I'm looking at EBC pads and can't find the actual size I need. EBC have two sizes listed; DP1082 and 1046 but without pulling my old ones out and physically measuring them they can't tell me what I need. My car is not the 'S type' and is still bog standard brake wise. If anyone has replaced their front pads in a '93 and can remember the product code and brand I might be able to match them up. Thanks.

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skyla Community Regular

skyla

Posted
Posted

As far as I'm aware all the R33 non turbos have the same brakes, but I'm not 100% sure though.

I have a R33 GTS25 non type s and my brakes are 155mm long from tip to tip and have a width of 50mm.

So I hope thats of some help.

skyla Community Regular

skyla

Posted
Posted
sorry for offtopic: but what exactly is the S type?

Repco or Autobarn wud usually have a book on the fitment wudnt they?

Type S, has a few standard extras, LSD, an extra few kw at the fly wheel, a different rear muffler, and a rear sway bar, well my friends one has anyway, and maybe a couple of extra things I have over looked.

bucket1577 Apprentice

bucket1577

Posted
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Posted

Thanks everyone. The difference between the two pads I've been quoted on is minimal, both sets are 155 mm long and 17 mm, the width varies. One set is 53 mm wide the other is 49 mm. I know its only a small variation and the pads themselves are the same profile other than the width, just needed to know what difference it would make.

Eug Grand Master

Eug

Posted
Posted

I guess the thicker ones wud clamp reasonably earlier than the thinner ones.

In the end they'd wear down anyway - so I'd say if the thicker ones fit then go for them, you'd

get more life out of them as well i am assuming.

skyla: thnx, I guess I "might" have a type S - stock exhaust has a little flap thing which I am curious about.

skyla Community Regular

skyla

Posted
Posted
skyla: thnx, I guess I "might" have a type S - stock exhaust has a little flap thing which I am curious about.

Yeah it sounds like it, my mates one also has hicas, and red badges on the front guard insted of blue like mine

paully_tee Collaborator

paully_tee

Posted
Posted
skyla: thnx, I guess I "might" have a type S - stock exhaust has a little flap thing which I am curious about.

That little flap is meant to be attached to a cable to allow u to open up the exhaust fulli. Its meant to open up at high revs and then close againt at lower revs for a more quieter note. Im yet to find a car that actualli has that cable but me and my dad were thinkin of somehow creatin a mechanism that opens up that second exhaust route at high revs to give a much better sound. In the end we couldnt be bothered so i just slapped a magna flow on instead.

Ant Collaborator

Ant

Posted
Posted
That little flap is meant to be attached to a cable to allow u to open up the exhaust fulli. Its meant to open up at high revs and then close againt at lower revs for a more quieter note. Im yet to find a car that actualli has that cable but me and my dad were thinkin of somehow creatin a mechanism that opens up that second exhaust route at high revs to give a much better sound. In the end we couldnt be bothered so i just slapped a magna flow on instead.

Got the flap, the cable and the actuator on mine. Actuator is located inside the LH rear gaurd, below/in front of where the jack lives. Not sure what RPM level it activates at - I think I read > 4000 rpm somewhere?

gatty Mentor

gatty

Posted
Posted

yeah, i have it on mine also - when i chnaged to a 2.5" system i just left the cable in place where it once was and zip tied it outta the way - lol

and i don't know if my HICAS is locked - i am yet to see the light conme one (except when starting car of course) i assume it's locked - how cna i tell?

And about the LSD - when i do a burnout i get both wheels smoking :rant: but whats an official way to determine if your has it?

Eug Grand Master

Eug

Posted
Posted

yup mine has the cable to open the flap too - I have yet to see it open though (cos I'm always

driving when it opens up I guess :rant:)

gatty: You can tell that your hicas is locked or not by doing a diagnostic (do a search), you can actually see the rear wheels move when your stationary.

Or when you drive, particularly around a roundabout, you can feel the rear end of the

car running sideways, it feels sort of drifty but obviously not on such an angle.

HICAS-bar-1.jpg

HICAS LOCK BAR

HICAS-bar-9.jpg

HICAS LOCK ON THE CAR

OR you cud just check under the car. :rant:

Eug Grand Master

Eug

Posted
Posted

Dont quote me on any of this :) but from what I gather...

An LSD (limited slip diff) will let both wheels spin at different speeds, but it will just limit the amount of difference between them. So basically when you go around a corner, the

inside wheel will spin slower as it has less distance to travel.

I dont think a burnout is the correct way to determine that both wheels are spinning at

the same speeds. But if your wheels are spinning at the same speeds around a corner

(its most probably a locked diff) the inside wheel will chirp.

This is good for dragging, drifting and other straight line stuff ( I am not sure what is

appropiate for track work) But for street use the stcok LSD shud be fine.

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