ATI Torsional Damper / Harmonic Balancer - ZR-1 Net Registry Forums

Jagdpanzer · 07-21-2010

Was in Baltimore on business today and made the mistake of stopping by ATI Performance Products on the way home. What great bunch of guys. Told them I was in a hurry an just stopping by to pick up some info on their LT5 torsional damper. After providing a full product briefing they insisted I stick around for an extra 15 minutes while they assembled an LT5 unit for me check out. Anyway to make it short I couldn't leave there with out it after laying eyes on it. A fine piece engineering and machine work as you will ever see. Here are pics of the ATI and stock unit and the massaging I had to do to a couple of the water pump bolt bosses on my 402 stroker build in order to achieve adequate clearance as you can see the ATI is slightly larger in diameter in this area.

ATI Part # 917298 (may be discontinued)

Polo-1 · 07-22-2010

1 pound lighter or .5 pound can't remember.. Just under $600 to my door.

Need to thank Todd P. for this, he paid all the up front money for ATI to make it a ready to buy part.

secondchance · 07-22-2010

Looks like you are well on your way to finishing. What is the target date for 402 completion?

Jagdpanzer · 07-22-2010

In the spring after the next Virginia emission test which I will do with the stock motor still installed.

Quote:

Originally Posted by secondchance

Looks like you are well on your way to finishing. What is the target date for 402 completion?

ZR1Vette · 07-22-2010

Very nice! Look forward to seeing the built engine

HAWAIIZR-1 · 07-22-2010

Thanks a lot Phil!!!

I am going to pretend I did not see this post. I am putting my "stock", balanced, torsional damper back on today as a matter of fact so no, I am not going to stop what I am doing to buy this ATI one and throw a curve ball into my build.

All kidding aside, it looks great and I can't wait to hear about your motor. I wish I had the funds and would have built that set up you have; sounds like the perfect all around motor.

Jagdpanzer · 07-22-2010

Quote:

Originally Posted by HAWAIIZR-1

Thanks a lot Phil!!!

I am going to pretend I did not see this post. I am putting my "stock", balanced, torsional damper back on today as a matter of fact so no, I am not going to stop what I am doing to buy this ATI one and throw a curve ball into my build.

All kidding aside, it looks great and I can't wait to hear about your motor. I wish I had the funds and would have built that set up you have; sounds like the perfect all around motor.

Craig,
Best advice I can give you is just stay away as far as you can from the west side of Baltimore, MD where ATI is located. I guarantee you will not be able to resist getting one of these otherwise.

HAWAIIZR-1 · 07-22-2010

Quote:

Originally Posted by Jagdpanzer

Craig,
Best advice I can give you is just stay away as far as you can from the west side of Baltimore, MD where ATI is located. I guarantee you will not be able to resist getting one of these otherwise.

Phil,

I know you are correct and it is a good thing I live so far away from ATI. If I did not have my motor balanced from damper to pressure plate I would probably consider it, but I can't handle any more delays and gotta bolt on those GVD heads today. Thanks for sharing; I'll keep it in mind when I get rich enough to build another "BIG" motor.

Polo-1 · 07-22-2010

Quote:

Originally Posted by Jagdpanzer

ATI part number is 917298

Here is the listing Jegs has for them:

http://www.jegs.com/i/ATI/085/917298/10002/-1

The price has dropped from way back when I bought.. At that price I would not even look for a stock part. I think Todd had about $1000 into set up cost.

tpepmeie · 07-22-2010

Yeah, that price is close to what I paid in just for the design fee

Oh, well, that's what I get for ordering the thing back in 2007 before I had even really started building the rest of the motor.

P.S., I had to get the hub ground to size, as it is just too tight for most cranks.

07-21-2010	#1
Jagdpanzer Join Date: Apr 2007 Location: Northern VA Posts: 2,662	ATI Torsional Damper / Harmonic Balancer Was in Baltimore on business today and made the mistake of stopping by ATI Performance Products on the way home. What great bunch of guys. Told them I was in a hurry an just stopping by to pick up some info on their LT5 torsional damper. After providing a full product briefing they insisted I stick around for an extra 15 minutes while they assembled an LT5 unit for me check out. Anyway to make it short I couldn't leave there with out it after laying eyes on it. A fine piece engineering and machine work as you will ever see. Here are pics of the ATI and stock unit and the massaging I had to do to a couple of the water pump bolt bosses on my 402 stroker build in order to achieve adequate clearance as you can see the ATI is slightly larger in diameter in this area. ATI Part # 917298 (may be discontinued) Last edited by ZBrink; 5 Days Ago at 06:38 PM. Reason: Title Edit

07-22-2010	#2
Polo-1 Join Date: Sep 2005 Location: Washington Posts: 954	Re: ATI Torsional Damper 1 pound lighter or .5 pound can't remember.. Just under $600 to my door. Need to thank Todd P. for this, he paid all the up front money for ATI to make it a ready to buy part.

07-22-2010	#3
secondchance Join Date: Aug 2006 Location: McLean, VA Posts: 3,726	Re: ATI Torsional Damper Looks like you are well on your way to finishing. What is the target date for 402 completion?

07-22-2010	#5
ZR1Vette Join Date: Dec 2007 Location: Reston, Virginia Posts: 931	Re: ATI Torsional Damper Very nice! Look forward to seeing the built engine __________________ Michael :cheers: [I][SIZE="2"]1990 RED on RED #566[/SIZE][/I] [I][SIZE="2"]WAZOO MEMBER[/I][/SIZE]

07-22-2010	#6
HAWAIIZR-1 Join Date: May 2010 Location: Japan Posts: 3,568	Re: ATI Torsional Damper Thanks a lot Phil!!! I am going to pretend I did not see this post. I am putting my "stock", balanced, torsional damper back on today as a matter of fact so no, I am not going to stop what I am doing to buy this ATI one and throw a curve ball into my build. All kidding aside, it looks great and I can't wait to hear about your motor. I wish I had the funds and would have built that set up you have; sounds like the perfect all around motor. __________________ Craig "ZR-1 NO KA 'OI" "ZR-1 ICHIBAN" 1995 #228 Black/Black with Dunn Heads ZR-1 owner since September 2003 ZR-1 Net Registry Founding Member #0074 NCM Lifetime Member #2048

07-22-2010	#10
tpepmeie Join Date: Aug 2005 Location: Fishers, IN Posts: 813	Re: ATI Torsional Damper Yeah, that price is close to what I paid in just for the design fee Oh, well, that's what I get for ordering the thing back in 2007 before I had even really started building the rest of the motor. P.S., I had to get the hub ground to size, as it is just too tight for most cranks.