Weight of rear diff

Mr.K · 01-11-2022, 02:56 PM

Quote:

Originally Posted by Hotrodz

You haven't really stated what your actual goal is, other than to keep the balance of the car the same as OEM. It that is the case then just stick with the factory diff if you aren't doing any performance driving. The Z is not bad from the factory but it is not great.

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My goal with the diff itself is to improve traction of course. Mostly spirited driving with some track use. The OS Giken might be better for cornering performance and handling characteristics but I am not looking to install a diff cooler at the moment. The reason I am asking about weight is the notion that the mechanical lsd could be heavier than the factory VLSD. The weight added could be a secondary effect and not a decision maker in upgrading my diff. I just wanted to know how big that difference was. I have to keep the power planted after all.

Hotrodz · 01-11-2022, 03:50 PM

Quote:

Originally Posted by Mr.K

My goal with the diff itself is to improve traction of course. Mostly spirited driving with some track use. The OS Giken might be better for cornering performance and handling characteristics but I am not looking to install a diff cooler at the moment. The reason I am asking about weight is the notion that the mechanical lsd could be heavier than the factory VLSD. The weight added could be a secondary effect and not a decision maker in upgrading my diff. I just wanted to know how big that difference was. I have to keep the power planted after all.

Cool, that said and what has been said the difference is negligible. Even if it heavier the extra weight in the back and down low would be a positive gain. Wavetrac is an outstanding rear diff and will do what you want. I ran one in my Z and have it on the shelf a back up. What is funny about the Wavetrac is that it never overheated on the track but I got it to puke fluid on the tail of the Dragon.

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Mr.K · 01-11-2022, 04:14 PM

Quote:

Originally Posted by Hotrodz

Cool, that said and what has been said the difference is negligible. Even if it heavier the extra weight in the back and down low would be a positive gain. Wavetrac is an outstanding rear diff and will do what you want. I ran one in my Z and have it on the shelf a back up. What is funny about the Wavetrac is that it never overheated on the track but I got it to puke fluid on the tail of the Dragon.

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Wavetrac is definitely my choice, it is a proven outstanding unit and if I am pushing the car that hard and I see the need in the future for something better I can always upgrade my diff setup to something else down the line.

Rusty · 01-11-2022, 05:49 PM

Quote:

Originally Posted by Mr.K

My goal with the diff itself is to improve traction of course. Mostly spirited driving with some track use. The OS Giken might be better for cornering performance and handling characteristics but I am not looking to install a diff cooler at the moment. The reason I am asking about weight is the notion that the mechanical lsd could be heavier than the factory VLSD. The weight added could be a secondary effect and not a decision maker in upgrading my diff. I just wanted to know how big that difference was. I have to keep the power planted after all.

If you want to balance the car out. You have to add weight to the rear. This is done with lots of race cars. Common practice.

madwi · 01-11-2022, 05:55 PM

Quote:

Originally Posted by Mr.K

Wavetrac is definitely my choice, it is a proven outstanding unit and if I am pushing the car that hard and I see the need in the future for something better I can always upgrade my diff setup to something else down the line.

Wavetrac:

Mr.K · 01-11-2022, 06:03 PM

Quote:

Originally Posted by madwi

Wavetrac:

Thanks man! This was dry weight correct?

Quote:

Originally Posted by Rusty

If you want to balance the car out. You have to add weight to the rear. This is done with lots of race cars. Common practice.

Yes, that is the plan. I was already looking to see where I can attach some extra weight. The diff was just going to be a bonus.

madwi · 01-11-2022, 06:39 PM

yeah, dry weight.

Mr.K · 01-11-2022, 06:41 PM

Quote:

Originally Posted by madwi

yeah, dry weight.

Thanks man

redondoaveb · 01-11-2022, 06:55 PM

Quote:

Originally Posted by Mr.K

My goal with the diff itself is to improve traction of course. Mostly spirited driving with some track use. The OS Giken might be better for cornering performance and handling characteristics but I am not looking to install a diff cooler at the moment. The reason I am asking about weight is the notion that the mechanical lsd could be heavier than the factory VLSD. The weight added could be a secondary effect and not a decision maker in upgrading my diff. I just wanted to know how big that difference was. I have to keep the power planted after all.

I don't run a diff cooler on mine because my car isn't a track car. A diff cooler isn't needed for street use

Mr.K · 01-11-2022, 07:12 PM

Quote:

Originally Posted by redondoaveb

I don't run a diff cooler on mine because my car isn't a track car. A diff cooler isn't needed for street use

I see, I was mainly responding to Spooler's statement. I haven't really touched the subject in a while. It seemed like a lot of members enjoyed wavetrac and quaife for street use, not sure currently. It is a bit more expensive though from what I see. Will have to do some searching.

redondoaveb · 01-11-2022, 07:18 PM

Quote:

Originally Posted by Mr.K

I see, I was mainly responding to Spooler's statement. I haven't really touched the subject in a while. It seemed like a lot of members enjoyed wavetrac and quaife for street use, not sure currently. It is a bit more expensive though from what I see. Will have to do some searching.

Wavetrac or OS Giken. They're both great diffs. I hated my Quaife. Didn't feel much better than the stock lsd to me at least

Mr.K · 01-11-2022, 07:28 PM

Quote:

Originally Posted by redondoaveb

Wavetrac or OS Giken. They're both great diffs. I hated my Quaife. Didn't feel much better than the stock lsd to me at least

Yeah I heard mixed things about Quaife. From what I see OS Giken is a good option but will be sticking to wavetrac as it is available cheaper and is still a great diff

Thanks for clarifying!

Spooler · 01-11-2022, 07:43 PM

Quote:

Originally Posted by redondoaveb

I don't run a diff cooler on mine because my car isn't a track car. A diff cooler isn't needed for street use

LOL, I did go to the "Tail of the Dragon" (Zdayz) with my OS Giken diff way back when my motor was stock. Needless to say I puked Diff fluid out the vent tube. If it is going to be a canyon carver, I think it is needed.

redondoaveb · 01-11-2022, 08:00 PM

Quote:

Originally Posted by Spooler

LOL, I did go to the "Tail of the Dragon" (Zdayz) with my OS Giken diff way back when my motor was stock. Needless to say I puked Diff fluid out the vent tube. If it is going to be a canyon carver, I think it is needed.

Yeah, but you're a maniac

Rusty · 01-11-2022, 08:20 PM

Quote:

Originally Posted by redondoaveb

Yeah, but you're a maniac

I watched him drop a front tire off the road after the rear stepped out.

01-11-2022, 06:39 PM	#37 (permalink)
madwi A True Z Fanatic Join Date: Sep 2012 Location: West Michigan Posts: 31,400 Drives: Granma red Z Rep Power: 2684428	yeah, dry weight. redondoaveb and Mr.K like this.

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