EP3 Type R

[TOUGE-ITR]

Is there a way to confirm through the gearbox part number?

[stndrd]

Not really. Only if you had a Japanese Honda parts catalouge or you strip the box down

[TOUGE-ITR]

From what ive read, 1-2 is triple cone, 3-4 is dual cone and 5-6 is single...but that was just some of the kits they were selling from USA.

Can anyone recommend a workshop that might know?

[Poeter]

Check amayama.com / http://honda.epc-data.com they have the japanese car parts catalogue.

Bought stuff from them before and very useful reference too.

Are you rebuilding with OEM components?

[TOUGE-ITR]

Might be using synchrotech carbon pro series depending on price.
Thanks for the link.

[TOUGE-ITR]

With the link, is the 2003 ep3 an aba-ep3 or la-ep3?

[stndrd]

Synchrotech I find are cheaper than OEM synchros and much better quality

[u mad?]

Out of curiosity how are they better quality? different material?

[stndrd]

With the inner surface of the synchro being carbon, it has a better surface contact than the standard bronze. The carbon also lasts longer than bronze, meaning they dont wear as quickly and promote smoother shifting at high rpm

[Poeter]

With the link, is the 2003 ep3 an aba-ep3 or la-ep3?

03, is la-ep3 since it's a prefacelift.

Facelifted 04 and onwards is aba-ep3.



You can search by your chassis number as well. for example you could type in EP31000478 and it'll match the correct one for you.

[Poeter]

With the inner surface of the synchro being carbon, it has a better surface contact than the standard bronze. The carbon also lasts longer than bronze, meaning they dont wear as quickly and promote smoother shifting at high rpm

Interesting.

Are there any disadvantages? For example, does it also shift smoother if not equal to OEM in lower rpm range? Would it require uprated MTF for this work well?

[stndrd]

I have been using Synchrotech Carbon synchro's for the last 6 months (have rebuilt approx 8 boxes in this time) and have not had a single issue with one of them. They have better engagement angles than OEM as well which means its easier for the slider to move over them.

I use Penrite oil's in my shop and for a car that gets driven like a baby, I use Penrite Trans Gear 75W80 (semi synthetic / direct replacement for Honda MTF) otherwise I use Penrite Pro Gear 75W85 (full synthetic) for cars that get driven fairly hard. Both oils do not cause any harm to the synchros