Quick question: T5 zspec

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Nov 6, 2009 | 05:37 PM

roka-88

Thread Starter

1st Gear Member

Joined: Oct 2009

Posts: 97

From: Bay Area

Quick question: T5 zspec

I have a rebuilt t5z getting installed in my 66.. Just wondering what kind of tranny fluid is needed for this transmission?

Nov 6, 2009 | 07:01 PM

Starfury

6th Gear Member

Joined: Aug 2007

Posts: 5,896

From: Elk Grove, CA

I believe T5's take ATF.

Nov 7, 2009 | 06:46 AM

tx65coupe

5th Gear Member

Joined: Dec 2008

Posts: 4,462

From: Texas

Yeah, I have a Tremec T5 that I got from Summit and it takes DEX MERC.

Nov 7, 2009 | 07:12 AM

jcoby

2nd Gear Member

Joined: Jan 2009

Posts: 307

From: NC

All world-class T5s take ATF. Non-WC take gear oil but can run ATF (or so I've read). You will ruin a WC if you run gear oil.