Header Leak Remflex RF 2008 Gasket ?

Reply Subscribe

Thread Tools

Search this Thread

Sep 11, 2016 | 08:52 PM

ssinani

Thread Starter

Instructor

Joined: Oct 2010

Posts: 128

Likes: 3

Header Leak Remflex RF 2008 Gasket ?

Hey guys. I have a 2001 z06 and installed xs power headers two years ago with no issues but i noticed this week that there is a small leak from the gaskets on each side. I did some research and apparently remflex gaskets are known to fix this issue due to them being able to get squeezed a bit to ensure a tight fit (part number rf2008). Everyone who has used it however was on a c6 and their part number is only said to fit 97-00 c5 base which I know have the rounder holes(several people have also used the base LS1 headers on their c5z and had a good fitment.)
Wanted to see if anyone has used these gaskets on their c5z and if they can recommend another set possibly?
Thanks

Sep 11, 2016 | 09:15 PM

SPEED750

Burning Brakes

Joined: Feb 2003

Posts: 1,144

Likes: 18

From: Panhandle FL

From everything I've read, the factory GM LS1 gasket is the way to go. $12 each on Amazon. Make sure you unbolt the collector before you tighten the top side. This will let your header seat flush against your head. If you trim some material from the first and last bolt hole you can just slide them in without having the header completely unbolted.

Sep 11, 2016 | 09:26 PM

ssinani

Thread Starter

Instructor

Joined: Oct 2010

Posts: 128

Likes: 3

Quote:

Originally Posted by SPEED750

thanks for the quick reply buddy. I was planning on the oem ls1 gaskets as they are steel, but I believe the header flange might be slightly warped and thats why Im having the tiny gap? I have to give it a try and see

Sep 11, 2016 | 10:01 PM

SPEED750

Burning Brakes

Joined: Feb 2003

Posts: 1,144

Likes: 18

From: Panhandle FL

The stock gaskets are metal but they do have a ridge around the port to help with sealing. GL

Sep 11, 2016 | 10:18 PM

nullpointer

Drifting

Joined: Mar 2011

Posts: 1,823

Likes: 43

From: East Aurora NY

I had to use Remflex header gaskets on my XS Power headers. They are thicker but compress down, OEM's didn't help with the leaks. It took Remflex gaskets to fix the leaks.

Sep 11, 2016 | 10:43 PM

ZigZag

Burning Brakes

Joined: May 2013

Posts: 1,249

Likes: 142

From: Lynn MA

Take a look at these on Amazon for $26.00 and they're reusable.

Mr. Gasket 7402G Aluminum Multi-Layered Exhaust Gasket by Mr. Gasket

Sep 12, 2016 | 07:35 AM

Cutlassmaster

Burning Brakes

Joined: Jul 2011

Posts: 1,097

Likes: 111

From: Fredericksburg Virginia

Remflex 2008 is the way to go. I have same headers and after head swap had a slight leak with OEM gaskets until it got hot. Used Remflex and was very happy.
Chris

Sep 12, 2016 | 10:09 AM

Pounder

1/4 mile/AutoX

Joined: Jun 2014

Posts: 11,442

Likes: 2,187

From: Buffalo Texas

I bought the 3rd gen. XS Power headers and had bought GM gaskets because some said they had leak issues with the supplied ones from XS Power. The GM gaskets are a triple layer gasket, and the ones that came with my 3rd gen. headers also came with triple layer so I used those. My flanges were perfect and I re-torqued mine after 200 miles, have no leaks 10,000 plus miles later !!!!