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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LS3 Exhaust

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LS3 Exhaust

Post  MILKMAN on Mon Oct 29, 2012 2:21 pm

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Almost finished with my exhaust system, connected to Eric's headers
Can't believe it's almost time to fire it up for the first time.[You must be registered and logged in to see this image.]Fitting the pipes together
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Welding all the different pipes[You must be registered and logged in to see this image.]
painting with high temp exhaust paint
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muffler and tip
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MILKMAN

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Re: LS3 Exhaust

Post  Porch on Mon Oct 29, 2012 7:31 pm

Looks great! Very Happy
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Re: LS3 Exhaust

Post  andrewporsche on Fri Dec 07, 2012 11:39 pm

Man thats an sweet looking exhaust system..was a mandrel bender used ??
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Re: LS3 Exhaust

Post  MILKMAN on Sat Dec 08, 2012 7:45 am

andrewporsche wrote:Man thats an sweet looking exhaust system..was a mandrel bender used ??
Thanks, No bender used. I just bought two 90 degree bends and cut them in different sections, then welded them together.
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Re: LS3 Exhaust

Post  thom on Sat Jan 05, 2013 12:09 pm

I thought I should introduce myself. I've been helping Milkman with his LS3 conversion for a while now. We got it running for the first time News Years Eve. We still have a lot to go before it hits the road though. You guys have been a great source of information on the build, thanks. I have attached two links to videos I made when I started it up. It was 25 degrees out so most of the smoke is condensation. Surprisingly it was quieter than I thought it would be with the exhaust we built. In a good way.
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Re: LS3 Exhaust

Post  kelleysj on Sat Jan 05, 2013 12:18 pm

Man thats awesome would love to see some videos with that in action. Great job!
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Re: LS3 Exhaust

Post  Techno Duck on Sat Jan 05, 2013 3:37 pm

Very cool Thom!

I am Jon from metro with the red 951, #848. My car along with all the boxes of parts is over at TKX right now. Hope to have it finished by spring time so I can start auto-x'ing again! I'd love to check it out when I get back home.

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Re: LS3 Exhaust

Post  thom on Sat Jan 05, 2013 3:51 pm

Hi Jon, I have a feeling I may be getting involved with your car at TKX in the near future. I work with them from time to time on race car projects. Wink What a great feeling hearing that engine fire up. Nothing like the sound of American muscle. Well, maybe a GT3 at 8000rpm sounds good also.
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Re: LS3 Exhaust

Post  MILKMAN on Sat Jan 05, 2013 7:36 pm

Great videos Tommy! You are the MAN!
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MILKMAN

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Re: LS3 Exhaust

Post  kelleysj on Mon Jan 07, 2013 6:19 pm

I wonder if something like this would work?
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LS3 Exhaust and Muffler for Porsche 944

Post  Porsche951toLS3 on Fri Jan 19, 2018 3:14 pm

LS3/480 engine installed waiting for exhaust before starting it. After all of the research, I want mine to be exactly as you have created. Can you give me guidance in the size of pipe, parts and muffler?

I love how it sounds and how it looks. I have 3" collectors......after that, I am seeking information before heading to a shop. Any help is appreciated.

Kevin
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Re: LS3 Exhaust

Post  Hotrodz of Dallas on Fri Jan 19, 2018 4:29 pm

Porsche951toLS3 wrote:LS3/480 engine installed waiting for exhaust before starting it.  After all of the research, I want mine to be exactly as you have created.  Can you give me guidance in the size of pipe, parts and muffler?

I love how it sounds and how it looks.  I have 3" collectors......after that, I am seeking information before heading to a shop.  Any help is appreciated.

Kevin

I've built several of these cars. I always use 3" single setup. The simplest thing for me is buy one of Lindsey Racings mandrel bent exhaust kits for a NA 944. They have several mufflers to choose from, or you can order it without a muffler and source your own. I use mostly Spintech mufflers and the occasional Magnaflow. You can get a 3" y-pipe from Summit Racing or Jegs. Add a couple of short flex joints between the headers and y-pipe and you have a great exhaust system that sounds very musclecar like.
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1986 Porsche 951 to LS3 Exhaust

Post  Porsche951toLS3 on Sat Jan 20, 2018 10:48 pm

This would be my list from Lindsey Racing  (with pre muffler??????):

3 INCH LINDSEY EXHAUST FOR STOCK HEADERS 924S / 944 8v '83-'89
Part#: LRA-944-EXH-31
FINISH-PLAIN: Standard Finish
L-EXH-14319: Magnaflow 3" SS Polished Muffler
L-EXH-1795: ADD PRE MUFFLER
CAT-NO: NO THANKS
L-EXH-35113S: 3" SS TIP SLASH CUT ROLLED LIP

This would be my list from Summit:


MagnaFlow 10798 - MagnaFlow Y-Pipe Transitions
Exhaust Pipe, Y-Pipe, Stainless Steel, Dual Inlet 3 in., 3 in. Single Outlet, 10 in. Long,

Stainless Works AF3006BSS - Stainless Works Flex Joints
3" inside diameter, 6" long s/s flex joint. All 304 s/s construction


Am I on the right path?  Pre muffler thoughts?  Any other parts I can order?  
Thank you very much for all your time HOTRODZ.  
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Porsche951toLS3

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Re: LS3 Exhaust

Post  sharkey on Sat Jan 20, 2018 11:12 pm

if your going to order from summit racing, may want to check out the magnaflow muffler from there, its about $30 cheaper

the pre muffler is your choice really. id bet with just a single muffler on the back it will get fairly loud. id put a resonator/muffler on it myself, i prefer to have a street car thats quiet till you stomp on it.

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Re: LS3 Exhaust

Post  Hotrodz of Dallas on Mon Jan 22, 2018 10:16 am

Porsche951toLS3 wrote:This would be my list from Lindsey Racing  (with pre muffler??????):

3 INCH LINDSEY EXHAUST FOR STOCK HEADERS 924S / 944 8v '83-'89
Part#: LRA-944-EXH-31
FINISH-PLAIN: Standard Finish
L-EXH-14319: Magnaflow 3" SS Polished Muffler
L-EXH-1795: ADD PRE MUFFLER
CAT-NO: NO THANKS
L-EXH-35113S: 3" SS TIP SLASH CUT ROLLED LIP

This would be my list from Summit:


MagnaFlow 10798 - MagnaFlow Y-Pipe Transitions
Exhaust Pipe, Y-Pipe, Stainless Steel, Dual Inlet 3 in., 3 in. Single Outlet, 10 in. Long,

Stainless Works AF3006BSS - Stainless Works Flex Joints
3" inside diameter, 6" long s/s flex joint. All 304 s/s construction


Am I on the right path?  Pre muffler thoughts?  Any other parts I can order?  
Thank you very much for all your time HOTRODZ.  

That's pretty much exactly what I use. Only thing I don't use is the pre muffler. For whatever reasons, texans like em loud. And like Sharkey said use Summit for the muffler.
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LS3 Exhaust

Post  Porsche951toLS3 on Sun Apr 29, 2018 7:31 pm

This is a question for Bob from Hotrodz of Dallas

I bought the following kit from Lindsey:
3 INCH LINDSEY EXHAUST FOR STOCK HEADERS 924S / 944 8v '83-'89
Magnaflow 3" SS Polished Muffler and Pre Muffler with no Cats
3" SS TIP SLASH CUT ROLLED LIP
Additionally I got:
MagnaFlow Y-Pipe 3" in and out and (2) 3"Stainless Works Flex Joints

This brings me to the final purchases.........I need:
1. Flanges 3 on 3.25" with 3" holes
2. pipes to finish the connections.

Do you have an out of the box purchase that you buy for the flanges and area of mid pipe or do I just
go at it with a cut and weld approach? I wish there was a bolt on out of the box solution, but I am getting there. I appreciate all your wisdom with this. Check out my intake I just finished.

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Porsche951toLS3

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Re: LS3 Exhaust

Post  Hotrodz of Dallas on Mon Apr 30, 2018 8:23 am

Do you have long tube headers, or shorty's? What flange is on your headers? The long tubes I use from TPC are designed for a slip fit, so no flange required. Depending on who's shorty's used, they could be a ball socket type flange, or a flat gasketed flange. Either way, you should be able to get what you need at a local muffler shop. If not, then Summit Racing will have it.
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LS3 Exhaust

Post  Porsche951toLS3 on Mon Apr 30, 2018 12:26 pm

I have the headers from Renegade Hybrid which are flanged at 3 on 3.25" with 3" center.

I will order up the flanges, gaskets and pipes. I try to stay away from having the exhaust shop do my work, but I may need them after all. We can't have every single tool in our garage........or can we??

Thank you for the information.
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Re: LS3 Exhaust

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