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-   -   Stock LS1 VY II Exhaust Manifold/Header and Cats for Compliance (http://www.clubcobra.com/forums/australian-cobra-club/87359-stock-ls1-vy-ii-exhaust-manifold-header-cats-compliance.html)

stephen low 05-03-2008 03:53 AM

Then we will see you there and can have a chat.

Al's right on the money with testing, as the idea is to use a previously complied engine option.

Bobby's right now that I think about it. The wiring is to sensors not the cats, and I don't know if there is any interplay between these, though I suspect not. But on GM systems haven't they gone to four sensors? Anyway the exhaust system would have to have these sensors in place, but welding screw in points would be cheaper than getting a whole new system.

Again that's what I had done to my non-standard system.

Cheers

Steve

HISSIN 05-03-2008 05:01 AM

vy11 headers
 
I have a set of headers off a vy11 ss if interested let me know im using the cats to get rego i am in sunbury hope i can help regards HISSIN:MECOOL:

gjkrv8 05-03-2008 04:09 PM

I believe its 4 O2 sensors in the later models, mine is only 2 as it is a VY Sereis II.

Hisson , thanks for the offer on the manifolds, but I managed to track some down yesterday. I also found a guy in Albury who has the cats etc who will send them to me.

Rgds

Gregg

Aussie Mike 05-03-2008 07:58 PM

I went through with Bernie with my own homebuilt exhaust system and aftermarket cats. He does a tailpipe emissions test and a noise test. All OK

Here's the underbody manifolds. These are based on stock Corvette manifolds.

http://www.clubcobra.com/photopost/d...B_Manifold.jpg

It blitzed the noise test. You can see the single 2" exhaust pipe at the back of the car.

http://www.clubcobra.com/photopost/d...obra_Rear1.JPG

This is how the engine looked at rego time

http://www.clubcobra.com/photopost/d...ngine_bay1.jpg

Cheers

gjkrv8 05-04-2008 12:43 AM

Mike, Glad to hear the emissions thing is not as bad as I first thought.

I have manifolds now and cats on the way so I am looking good.

Have engine/gearbox/exhaust. now - just need chassis :-) still a few weeks away.

Rgds

Gregg


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