Guys With Underdrive Pullys

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Jun 3, 2005 | 11:46 PM

FNFAST

Thread Starter

Instructor

Joined: Sep 2003

Posts: 130

Likes: 1

From: Florida Treasure Coast

Guys With Underdrive Pullys

Any negatives? Where did you get yours? What do you think it would add to my setup?

Last edited by FNFAST; Jun 4, 2005 at 05:31 AM.

Jun 4, 2005 | 12:43 AM

ArKay99

Safety Car

Joined: Sep 2003

Posts: 3,558

Likes: 2

From: Cape Coral FL

No negatives for me. I have a 300Wx2 stereo amp also and no issues with charging. I have my idle set at 825 rpm's. I got mine from Thunder racing. I wouldn't recommend putting one in unless you are pulling the front cover off and removing the stock pulley. It invloves having to remove the power steering rack and you have to have a big torque wrench and a big breaker bar to install one. I've had mine on and off twice and it is a bit of work for the 5-7hp it will net you.

Jun 4, 2005 | 06:42 AM

phils C5 vette

Le Mans Master

Joined: Nov 2003

Posts: 8,004

Likes: 250

From: Tampa Fl

St. Jude Donor '12-'13-'14

I have one also. No negative
Not even sure of the positive lolol

Jun 4, 2005 | 06:59 AM

BT-01-vette

Le Mans Master

Joined: Jan 2002

Posts: 7,275

Likes: 19

From: Camden County NJ

ASP pullies installed when my H/C went in. No issues, I'm running a 500X5 power amp. How much power it adds...I've heard between 5-10RWHP. It was part of the H/C package from ECS

Jun 4, 2005 | 07:08 AM

Dark-Knight

Race Director

Joined: Feb 2003

Posts: 11,133

Likes: 1

From: ~The DARKSIDE Group~

Couple of us have pulley's as part of cam install w/21st Cent MC. No one is having problems.

Jun 4, 2005 | 09:56 AM

XTrooper

Drifting

Joined: Nov 2001

Posts: 1,791

Likes: 0

From: NE PA

ATI Super Damper here with no problems at all.

The only thing that hurt was the price!

Jun 4, 2005 | 12:30 PM

vettethret

Melting Slicks

Joined: Dec 2001

Posts: 2,765

Likes: 0

From: Dana Point Ca

Quote:

Originally Posted by FNFAST

Any negatives? Where did you get yours? What do you think it would add to my setup?

No problems and I'm running an 1800 watt system. I did it when I did the waterpump and headers so not sure what I picked up.

Jun 4, 2005 | 01:08 PM

loudsam

Burning Brakes

Joined: Feb 2004

Posts: 831

Likes: 0

From: Country Boys Can Survive.

No problems here. Lingenfelter put mine in with the H/C package. I don't think they would have included it if it didn't provide substantial gain in power, or if I would have issues with it. LPE doesn't like "issues"!

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Jun 4, 2005 | 05:54 PM

FNFAST

Thread Starter

Instructor

Joined: Sep 2003

Posts: 130

Likes: 1

From: Florida Treasure Coast

Thanks for the info guys. Looks like something I'd like to add next time I have the front cover off.

Jun 4, 2005 | 07:41 PM

#10

Z06 Steve

Burning Brakes

Joined: Aug 2004

Posts: 1,196

Likes: 4

From: Latham NY

Quote:

Originally Posted by XTrooper

ATI Super Damper here with no problems at all.

The only thing that hurt was the price!

whats the part # on the ATI unit and is it for a stock C5?is it 10% or 25% ?

Jun 4, 2005 | 07:57 PM

#11

XTrooper

Drifting

Joined: Nov 2001

Posts: 1,791

Likes: 0

From: NE PA

Quote:

Originally Posted by Z06 Steve

whats the part # on the ATI unit and is it for a stock C5?is it 10% or 25% ?

Part # is 917278. That's the 10% underdrive with A/C pulley. They don't make a 25% underdrive for the 'Vette. They only have the OEM diameter, the 10%, and a 60% for dry sump applications.