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-   -   How many 911 3.6 conversions out there ? (http://forums.pelicanparts.com/porsche-911-technical-forum/238501-how-many-911-3-6-conversions-out-there.html)

stv951 11-12-2005 01:23 AM

Are these as strong as the Fuchs ?

mb911 11-12-2005 05:13 AM

Yes you make the mufflers locally but How many want to screw around when they get to that point. I know I would like bolt on nice fitting and good sound.. with no hassles

efhughes3 11-12-2005 05:28 AM

This thread sucks for those of us still driving 3.2s.

Joeaksa 11-12-2005 05:47 AM

Threegunner,

Have any better photos of the exhaust? Very nice looking car and wheels!

Joe A

Joe Bob 11-12-2005 05:55 AM

Quote:

Originally posted by mb911
Yes you make the mufflers locally but How many want to screw around when they get to that point. I know I would like bolt on nice fitting and good sound.. with no hassles
At the end of the install......back a long time ago in a galxy far, far away......I was stuck with twin Supertraps....ran them for 3 years.

I did the change over to my custom single out when I did my long hood conversion.......best thing I ever did.

drums 11-12-2005 06:05 AM

The 993 heat exchangers, original cats W/3" resonant tips. Very inexpensive and the sound is addictive!http://forums.pelicanparts.com/uploa...1131807863.jpg
It's legal, too! Even here in Ca.
Drums

Joeaksa 11-12-2005 06:12 AM

Quote:

Originally posted by drums
The 993 heat exchangers, original cats W/3" resonant tips. Very inexpensive and the sound is addictive! It's legal, too! Even here in Ca. Drums
Photos man! We need photos of the exhaust!

Joe A

drums 11-12-2005 06:27 AM

I don't have photos of just the exhaust, but all you do is cut off the flanges on the cat converter and weld on the resonator tips. Oxygen sensors stay in the same place, nothing but the flanges are changed.
It is really simple and the tips cost about $30.00 apiece. Timmins gave me the company name and part number. They look like the same tips he uses on the Crappy Hab set up.
Some have complained that the sound 'drones' at certain RPM's. I have not found that to be the case with this engine. Everyone that hears it remarks on how good [and mean] it sounds. It may have to do with the angle of the tips, too[?].
The pain has been to fit a muffler. Most people take the cats off so that they can fit a muffler. That renders the car illegal [at least here in Ca.].
Some of the dissatisfaction with the sound of different muffler set ups [I believe] is the removal of the cats and heat exchangers. Just leave it all intact and add the tips and WALLAH! Great sound, great exhaust flow and inexpensive!
Drums

KobaltBlau 11-12-2005 10:20 AM

Pictures Would be appreciated, Drums!

drums 11-12-2005 10:35 AM

I will have to jack up the car, take pictures and post them for you. It may be a couple of days, but I will do it.
Drums

threegunner 11-12-2005 10:51 AM

My quess is that all those that have done a 3.6 conv. ponder what to do with the exhaust. Welding on tips to the existing cat is a no brainer. But it only takes 15-30 min. driving the car when you realize that ear plugs will be a requirement to save your hearing or...find a real muffler. Heres empirical proof of that.
Cat done by Erik Shahoian
HC by Timmins

http://forums.pelicanparts.com/uploa...1131824823.jpg
http://forums.pelicanparts.com/uploa...1131824923.jpg

Craig 930 RS 11-12-2005 01:39 PM

Cat setup sounds blatty and odd, IMO - but better than a lot of mufflers ;-)

mb911 11-12-2005 03:52 PM

guess I need to make them up

Joe Bob 11-12-2005 03:57 PM

Can't get much simpler than this....

http://forums.pelicanparts.com/uploa...1131843378.jpg

Then finished.....

http://forums.pelicanparts.com/uploa...1131843463.jpg

KobaltBlau 11-12-2005 04:56 PM

not officially california legal though is it mike?

drums 11-12-2005 05:06 PM

The trick is to use RESONATOR tips, not just a piece of pipe.
Maybe the '97 uses different cats but the sound of my '97 with just the cats and resonator tips is good through the whole rpm range.
The rules for smog in Ca. are so tight that to change anything before or on the cats is subject to the dreaded 'red flag' during a smog inspection.
When undertaking an engine swap, consideration must be given to the 'Referee' process [here in Ca.]. If your car is taken to a regular smog station, chances are that you will be 'red flagged', then you are in for a trip through the DMV 'maze'. Go first to the referee. They are more sensable and will [within the law] approve your new engine. This works if you are putting in a newer, cleaner burning engine. No carburators, please.
If you don't live in Ca., don't fret-it is coming to your area. The cancer starts on the left coast and spreads [quickly].
Drums

Joeaksa 11-12-2005 05:40 PM

Mike,

Got any "underneath" pics of the setup?

Joe A

Joe Bob 11-12-2005 05:43 PM

Quote:

Originally posted by KobaltBlau
not officially california legal though is it mike?
I've been passing....but I've been "passing for years'....

Joeaksa 11-12-2005 05:47 PM

Quote:

Originally posted by mikez
I've been passing....but I've been "passing for years'....
Mike, we are not talking about "passing gas," we are talking about other things!!! :)

Joe A

Joe Bob 11-12-2005 05:51 PM

Quote:

Originally posted by Joeaksa
Mike,

Got any "underneath" pics of the setup?

Joe A

Whatya want pics of?

Joe Bob 11-12-2005 05:57 PM

I think I have posted these before....



http://forums.pelicanparts.com/uploa...1131850586.jpg

http://forums.pelicanparts.com/uploa...1131850612.jpg

http://forums.pelicanparts.com/uploa...1131850627.jpg

2 inch Flex pipe from the right to a hard pipe, then a 3 inch union and a custom curve like a 2 stroke motor cycle or Jet Ski, then a generic sport catalytic converter....added on a venturi type muffler, if its too loud a Supertrapp spark arrestor can be welded on the tip.....$600 clams including parts in here in bendoverland...prolly cheaper in the booneis.

Joe Bob 11-12-2005 06:02 PM

Joe send me exotic boob pics and you can get some custom shots....

drums 11-13-2005 08:54 AM

Here are the pics of the resonators on cats pic.
My sons work for a sound company and I will have them record how this set up sounds and post it. It will be a new thread, so be on the look out for it.
I think there are a lot of you who will be suprised at how good it does sound-everything stock through the cats; the resonator tips are the only modification from stock [less mufflers, of course].

http://forums.pelicanparts.com/uploa...1131904401.jpg http://forums.pelicanparts.com/uploa...1131904449.jpg
Drums

Joeaksa 11-15-2005 05:18 PM

Guys,

I have a 3.6 question. I purchased Bill Verburgs old 964 3.6 and its evidently one of the very first conversions done in the country. He had some mechanics from Germany do everything I believe.

Had the car over at Patrick Motorsports for some work a while ago and was complaining about how tight everything was in the back of the car. Jim told me that it has the original 964 pulley's, rear mount and sheetmetal on it, which takes up a lot of space. I am using a set of SSI's with a stock "banana" muffler, and have very little room in the rear, and do not want to melt the 'glass RS bumper.

What did everyone else do in this area? Is there a different rear motor mount, pulley and such that would give me more working space? Believe that mine has a two or three groove pulley on the crank, and takes a bit of space for every frigging fanbelt that it drives. The motor mount bar on the back has been heated and welded and not sure if its an SC (Bill's car was an SC) or a 964 modded unit.

I know that PMS sells their own pulley's and Jim is always trying to sell his product but I could really use more room back there. Want to look at doing this right instead of cobbling up exhaust bits due to the lack of room.

Also, what did everyone use to clean up the wiring coming from the engine to the body at the 14 pin plug. Not happy with all the wiring snaking around as it is and need to either shorten it or put it in a box that cleans the area up.

Thx,

Joe A

Joe Bob 11-15-2005 05:22 PM

I'm using a double pulley with twin belts. I don't see a problem.....the glass bumper has held up well....I even have a nasty hot cat pipe under there as well.

BTW...your PM box is full.

Joeaksa 11-15-2005 05:51 PM

Mike,

Did you use your SC or the 3.6 rear bar and sheetmetal?

Thx,

Joe

Joe Bob 11-15-2005 05:55 PM

The 3.6 stuff that Timmins provided....

All the 3.0 stuff went with the motor that I sold. I kept the SSIs and muff and sold that seperately.

slammed1000 11-15-2005 08:20 PM

here is my 3.6 conversion i have been working on for the past few weeks. Joeaksa, you are right about the wiring...there is no good way of cleaning it up. i havent done the pin configuration change yet but i am getting ready to in the next day or so. the exhaust is european headers with a flowmaster muffler. i have wrapped the muffler in exhaust wrap in hopes that it will save the paint on my fiberglass bumper. my conversion uses the stock 3.6 rear mount that has been modified. the engine tin was on it when it was previously in a sc but i am a little unhappy with it. i welded up the hole thats down by the distributor and powder coated them along with the intake and valve covers. hopefully someone can walk me through the wiring as i hate it....

http://forums.pelicanparts.com/uploa...1132118176.jpg
http://forums.pelicanparts.com/uploa...1132118256.jpg http://forums.pelicanparts.com/uploa...1132118357.jpg

Kevin Stewart 11-15-2005 08:27 PM

the wiring is a piece of cake send me an email and ill see if i can dig up the chart, Kevin

Joe Bob 11-15-2005 08:39 PM

Pretty red.....you do that yourself?

slammed1000 11-15-2005 09:02 PM

Quote:

Originally posted by mikez
Pretty red.....you do that yourself?
yes, i did it my self. a friend of mine owns a powder coating business so i can do most anything. i just couldnt stand the look of it stock since it was so plain. the reds a little bright but i have got use to it now....

Joe Bob 11-15-2005 09:04 PM

Hmmm, I have the non metallic ones. Bummer, I like the look.

Bill Verburg 11-16-2005 12:15 PM

Quote:

Originally posted by mikez
Hmmm, I have the non metallic ones. Bummer, I like the look.
The plastic manifolds can also be easily painted
http://forums.pelicanparts.com/uploa...1132175734.jpg

Mahler9th 11-16-2005 12:58 PM

Rear Space.... exhaust
 
Well, on my car the builder used a smaller 911 alternator and fan assembly. My car does not need a high alt output. This creates more space. Wiring is all custom-- I am not using a DME. See pic.

You can also see my first rough airbox propotype. Cold air enters through grill in fiberglass tailbase. I think it is "better air" than what is available closer to the throttle body. And for a car that is mostly for track use (occasional, loud street driving) my car has European headers and Phase 9-type mufflers.http://forums.pelicanparts.com/uploa...1132178243.jpg http://forums.pelicanparts.com/uploa...1132178296.jpg

Bill Verburg 11-16-2005 01:16 PM

The cold air box is similar to what the Gt3s have

Intake
http://forums.pelicanparts.com/uploa...1132179336.jpg

Box
http://forums.pelicanparts.com/uploa...1132179316.jpg

drums 11-16-2005 03:38 PM

Thanks, Mahler9th!
I was wondering how to get better, colder air to the intake!
These intakes don't want to be enameled!
http://forums.pelicanparts.com/uploa...1132187867.jpg

Joeaksa 11-17-2005 08:24 PM

Just heard back from Jim and he says that I need to switch to the Carrera style rear engine mount and console for more room. Anyone else do this?

Ideas where to get one and how much hassle its going to be to change?

Thx,

JoeA

CBRacerX 11-18-2005 05:20 PM

I have the stock 3.6 rear engine mount. No issues with room using the stock cat (of course) or the crab muffler. If I was trying to showhorn in something else, and I was willing to use a homemade heater solution, then perhaps this would be worthwhile (But I like the stock heat parts)

Chris

Craig 930 RS 11-18-2005 06:15 PM

http://forums.pelicanparts.com/uploa...1132370103.jpg
Got plenty of ambient air this way -

Bill Verburg 11-19-2005 05:34 AM

The air cooled cars move vast quantities of air through the engine compartment, the water cooled do not. That's why it is needed on 996 up but not so much on 993 down.

it is probably better to pull the air from the rear of the compartment, that is another issue I have w/ the cones, which pull the air from the more stagnant front part of the engine compartment.

The 993RS has a snorkel that curves up to the grill intake area from the air box intake.


That said the 993Cup, 993RSR etc all take their air from the stagnant forward area.


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