JDM SiR motor

[allstar104]

Does anyone know who makes a differntial that will bolt on straight to the 90-91'JDM SiR motor.....what might the price range be??
Also, what would be a preferred clutch to use on this specific motor??? Can anybody fill me in??? THANKS -Jourdan


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[Setanta]

Mine came with the Y1 tranny and diff combo. I just fitted a clutch supplied by Honda. Works for me

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'90 JDM EF9 SiR

[allstar104]

Do all of the SiR's come with a diff???

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[Setanta]

All cars come with a diff

If we are talking Limited Slip Differential then no, not all the SiRs did. Mine doesn't.

The EF9 SiR/SiR II had the option for LSD/ALB combo according to Honda's official history site. Apparently you may or may not have LSD stamped on the gearbox casing - but finding a Civic/CRX SiR front cut with the ALB valving on the passenger side firewall may improve your chances of finding an LSD.

Unconfirmed is that the stripped down race version of the SiR didn't have ALB/PS/PW, but did have a LSD.

I'm still trying to track down one for my car.

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'90 JDM EF9 SiR

[zc911]

find a mugen one
Seriously, i could have picked one up for $400 US but i didn't

The factory ones are kinda weak, only good for doing two wheel burnouts. Try and get an aftermaket one if you can.

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[NC_Rex]

Factory ones weak?????????????

I loved mine, weak my ass! ..Just rippin into ya. No they are good for about 60 horse...nothing to take to a turbocharged B16, but definately enough to handle NA torque whatever you give it. And the other good thing about the factory LSD is Quaife made them to handl corners well. It is a Quaife LSD afterall (said Kwahf in Japan).

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