HOW TO DO AN ADVANCED SEARCH.
Mon Jul 08, 2013 3:56 pm by Admin
For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.
When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).
After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …
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Any Conversions running Cats?
4 posters
944Hybrids: 924/944/968 and 928 V8 Conversions :: Technical Stuff (other than motors) :: General Mechanical
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Any Conversions running Cats?
I'm curious if anyone has done a California legal conversion or is running Cats? I was able to pickup a set of 2010 Corvette Cats for cheap. I am hoping to install them. It seems right under the car would work, if I were to move the fuel line to the outside of the frame rail. Has anyone else installed Cats? Curious where you put them.
Thanks
Thanks
superman22x- Posts : 272
Join date : 2015-01-29
Re: Any Conversions running Cats?
There's a member here who went through the California BAR process to get his swap ordained. Look it up, I would talk to him before you do anything.
Remember unless you use the factory exhaust manifolds the swap won't pass Cali emissions, period.
Remember unless you use the factory exhaust manifolds the swap won't pass Cali emissions, period.
docwyte- Posts : 1393
Join date : 2010-07-18
Re: Any Conversions running Cats?
All of the emissions stuff for a California legal conversion need to come from the same model your engine came from. So unless your engine is from a 2010 Vette (or atleast the VIN that shows up on your PCM when its scanned), they wont be of much use to you.
Techno Duck- Posts : 447
Join date : 2010-12-01
Location : San Diego, CA
Re: Any Conversions running Cats?
I'm not in California. I just spent too much of my college career teaching combustion/powertrain classes... I just had these cats available and figured they would be good to add in.
superman22x- Posts : 272
Join date : 2015-01-29
Re: Any Conversions running Cats?
superman22x wrote:I'm curious if anyone has done a California legal conversion or is running Cats? I was able to pickup a set of 2010 Corvette Cats for cheap. I am hoping to install them. It seems right under the car would work, if I were to move the fuel line to the outside of the frame rail. Has anyone else installed Cats? Curious where you put them.
Thanks
Take a look here, all you need to know. I still have the car, still running great.
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pormgb- Posts : 186
Join date : 2010-09-09
Location : San Diego
Re: Any Conversions running Cats?
I read through your thread, I think I'll locate the cats pretty similarly. No issues near the stock fuel lines for your cats? No ground clearance issues?
superman22x- Posts : 272
Join date : 2015-01-29
Re: Any Conversions running Cats?
superman22x wrote:I read through your thread, I think I'll locate the cats pretty similarly. No issues near the stock fuel lines for your cats? No ground clearance issues?
No, hid the fuel lines behind extra heat shielding.
Regarding ground clearance, you can get the cats pushed up quite high. These is a sweet spot where they are as high as possible but are not too close to the rear of the transmission tunnel.
I actually rebuilt the exhaust system after the conversion and went with dual 2.5s all the way back, I also relocated the cats to be as high as possible. Here is a picture where mine sit, they could probably go higher but that's good enough for me.
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pormgb- Posts : 186
Join date : 2010-09-09
Location : San Diego
Re: Any Conversions running Cats?
Ok, awesome! How far back in the car are they? I can't quite tell from the picture.
superman22x- Posts : 272
Join date : 2015-01-29
Re: Any Conversions running Cats?
superman22x wrote:Ok, awesome! How far back in the car are they? I can't quite tell from the picture.
The rear joint between cat and pipe (pipe welded to cat) sits below where the tunnel narrows (about where the original exhaust clamp sits) so the cat is in the opening. One other thing to bear in mind, the rear pipes connected to the cats needs to go upwards to give better clearance, this is because the clearance for cats is not required for the pipes since the cats are thicker. Just take your time experimenting with many 2.5" cuts, patients really pays off.
pormgb- Posts : 186
Join date : 2010-09-09
Location : San Diego
Re: Any Conversions running Cats?
Ah, ok, I can see the bellhousing now. That makes sense. Seems doable to me. Thanks for the tips!
superman22x- Posts : 272
Join date : 2015-01-29
944Hybrids: 924/944/968 and 928 V8 Conversions :: Technical Stuff (other than motors) :: General Mechanical
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