ARH Headers - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Merc · 05-08-2010, 05:45 PM

Does anyone know for sure what size the header bolts are on the LS3 to attach the ARH's to the LS3? Looking at Stage 8 Fasteners, they have a very cool locking header bolt system. Once there locked they will not back-off.

JB @ C and L Machine · 05-08-2010, 06:30 PM

Quote:

Originally Posted by mercuryman96

Does anyone know for sure what size the header bolts are on the LS3 to attach the ARH's to the LS3? Looking at Stage 8 Fasteners, they have a very cool locking header bolt system. Once there locked they will not back-off.

I had ....well some what since they all didn't fit on my mustang. IMO...they are a waste of money. I going to use these http://www.mcmaster.com/#lock-washers/=707htc

Sack Rat 2SS · 05-08-2010, 06:42 PM

There is nothing wrong using factory gaskets and header bolts. They clamp perfect. Problem is if the header flange is warped and no matter how you clamp you will still have leakage in that area. Save your money. Get your headers coated for protection and heat control with the money you saved.

Merc · 05-08-2010, 07:30 PM

Quote:

Originally Posted by Sack Rat 2SS

There is nothing wrong using factory gaskets and header bolts. They clamp perfect. Problem is if the header flange is warped and no matter how you clamp you will still have leakage in that area. Save your money. Get your headers coated for protection and heat control with the money you saved.

You coated the 304 stainless headers form ARH? We normally coat all the steel headers we build. But not the SS ones. Interesting.

Merc · 05-08-2010, 07:32 PM

Quote:

Originally Posted by JB @ C and L Machine

I had ....well some what since they all didn't fit on my mustang. IMO...they are a waste of money. I going to use these http://www.mcmaster.com/#lock-washers/=707htc

$1800 headers. The locking bolts are only $40, even ARP SS are around $25.

Sack Rat 2SS · 05-09-2010, 09:47 AM

The cost of those header bolts is not too bad so go for it. More to coat headers. I don't like the way stainless headers discolor over time. They start off looking OK but gradually change. Plus the coated contain heat better inside the tubes. Plus adding a little BLING to engine compartment. Here is a pic from underneath.

JB @ C and L Machine · 05-09-2010, 09:58 AM

Quote:

Originally Posted by mercuryman96

$1800 headers. The locking bolts are only $40, even ARP SS are around $25.

You miss understood

...They did not fit right on some of the "hard" bents IE...the front tubes. For me they are a total waste of time and money!!! Its your $$$$$

do want you want ...but they will not just fall on the bolts. They WILL have to be modified to fit!!

ratlover · 05-09-2010, 12:43 PM

I have ALWAYS had an issue with header bolts backing out. On the camaro though not the case? Kooks headers, factory bolts and gaskets. I assume the arh uses equaly as nice of flange as kooks since they are a high end header, kooks is very thick and finished well. I'd say they arnt needed for your car but added insurance is never bad.

BLK2SS · 05-09-2010, 01:35 PM

I'm not a big fan of the Stage 8 fasteners. I went with Percy's split lock bolts, part# 21008. The size you are looking for is M8 1.25 x 25mm.

Merc · 05-09-2010, 02:11 PM

Quote:

Originally Posted by JB @ C and L Machine

You miss understood

...They did not fit right on some of the "hard" bents IE...the front tubes. For me they are a total waste of time and money!!! Its your $$$$$

do want you want ...but they will not just fall on the bolts. They WILL have to be modified to fit!!

So you have tried them? I did think about that and if you tried them and speaking from experience. Thanks Bud.

Merc · 05-09-2010, 02:14 PM

Quote:

Originally Posted by BLK2SS

I'm not a big fan of the Stage 8 fasteners. I went with Percy's split lock bolts, part# 21008. The size you are looking for is M8 1.25 x 25mm.

Thx. Taking it all in. Just thought they maybe the ticket. Maybe re-consider. That's why C5.com is so cool.

05-08-2010, 05:45 PM	#1
Merc In The Circle Drives: 2010 Camaro 2SSRS IOM M6 Join Date: May 2009 Location: Abbotsford BC Canada Posts: 11,292	ARH Headers Does anyone know for sure what size the header bolts are on the LS3 to attach the ARH's to the LS3? Looking at Stage 8 Fasteners, they have a very cool locking header bolt system. Once there locked they will not back-off.

05-08-2010, 06:42 PM	#3
Sack Rat 2SS Drives: Silver SS/RS, Man 6 Join Date: Apr 2009 Location: DFW area, Texas Posts: 884	There is nothing wrong using factory gaskets and header bolts. They clamp perfect. Problem is if the header flange is warped and no matter how you clamp you will still have leakage in that area. Save your money. Get your headers coated for protection and heat control with the money you saved. __________________ Silver 2SS/RS Man/6 CTS-V front 6-Piston Calipers, GM 3.91 Rear Gears

05-09-2010, 09:47 AM	#6
Sack Rat 2SS Drives: Silver SS/RS, Man 6 Join Date: Apr 2009 Location: DFW area, Texas Posts: 884	The cost of those header bolts is not too bad so go for it. More to coat headers. I don't like the way stainless headers discolor over time. They start off looking OK but gradually change. Plus the coated contain heat better inside the tubes. Plus adding a little BLING to engine compartment. Here is a pic from underneath. __________________ Silver 2SS/RS Man/6 CTS-V front 6-Piston Calipers, GM 3.91 Rear Gears

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Buying ARH Headers + Corsa Exhuast Don't, Wait!	jpetro	Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons	32	06-17-2010 10:09 AM
Modern Muscle Exhaust and Intake Special	modern-muscle	V8 Bolt-Ons & Tunes	1	01-20-2010 06:46 PM
JBA releases exhausts, headers and midpipes.	Bewenched	Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons	17	09-16-2009 03:04 PM
3" Magnaflow Installed with ARH Headers - BEST SOUND EVER!	ADM PERFORMANCE	Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons	42	09-10-2009 11:45 AM

05-09-2010, 12:43 PM	#8
ratlover Drives: 2010 Inferno Orange SS 6 speed Join Date: Mar 2010 Location: Peoria, IL Posts: 68	I have ALWAYS had an issue with header bolts backing out. On the camaro though not the case? Kooks headers, factory bolts and gaskets. I assume the arh uses equaly as nice of flange as kooks since they are a high end header, kooks is very thick and finished well. I'd say they arnt needed for your car but added insurance is never bad.

05-09-2010, 01:35 PM	#9
BLK2SS Drives: Black 2SS Join Date: Oct 2009 Location: Westminster, MD Posts: 169	I'm not a big fan of the Stage 8 fasteners. I went with Percy's split lock bolts, part# 21008. The size you are looking for is M8 1.25 x 25mm.