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Whats the size and spline count on a 4spd?

Posted: Wed Jan 04, 2006 12:33 pm
by donk_316
Ever since Will mentioned the "tilton" style of clutch I have been looking...

But i cant seem to find the right spline sizes....whats the Fiero 4spd spline count and size?

Is it:
1 1/4" 29 spline?
1 5/32" 26 spline?

Posted: Wed Jan 04, 2006 6:45 pm
by MNFatz
14 spline, 30MM.

After I saw your figures again, I went back out to the garage and double checked to make sure my clutch disc fit (Spec stage 3)

Damn that seems weak.

Posted: Wed Jan 04, 2006 6:49 pm
by donk_316
Yow. 30mm is 1.18 inches right?

Maybe that idea is out. lol!

Where did you get your Spec Clutch? What store? Online?

Posted: Wed Jan 04, 2006 7:22 pm
by MNFatz
Yeah, the spline is about 1 1/8th or so in diameter. There's some lateral play on mine that I don't like, but I guess there's not much I can do about it.

www.jdsperformance.com is where I get my Spec from. Around $275 shipped.

Posted: Wed Jan 04, 2006 7:39 pm
by Shaun41178(2)
titan motorsports also sells specs for the fiero. They are in orlando. Not sure of their prices though.

I think its titanmotorsports.com

there is always direct from spec too.

Posted: Wed Jan 04, 2006 9:08 pm
by eHoward
I like Titan. I've bought some stuff from them. Also met them in person at Atco. Good people.
Shaun41178(2) wrote:titan motorsports also sells specs for the fiero. They are in orlando. Not sure of their prices though.

I think its titanmotorsports.com

there is always direct from spec too.

Posted: Wed Jan 04, 2006 9:27 pm
by S8n
Titan is definitely good people. If anyone needs stuff checked out there let me know.

Posted: Sat Apr 22, 2006 1:28 pm
by The Dark Side of Will
I think it's 25mm 14 spline.

I measured 0.960 diameter across the splines on a 282 input shaft.