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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1986 LS2 Conversion

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Sun Mar 20, 2016 5:42 pm

Don't suppose anyone knows what this giant connector is?
2006 TBSS E40 harness

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Re: 1986 LS2 Conversion

Post  matt889 on Sun Mar 20, 2016 6:30 pm

I also started my wiring harness this week end it's a truck harness I'm hoping the wiring will be cleaner when I finish with it
FrostedFlakeJake wrote:Playing with the harness this weekend. It's a constant state of mild confusion but I'm working through it Shocked

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Re: 1986 LS2 Conversion

Post  sharkey on Sun Mar 20, 2016 6:58 pm

the giant plug should go to the body harness. most of the wiring in it wont get used.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Mon Mar 21, 2016 8:00 am

sharkey wrote:the giant plug should go to the body harness. most of the wiring in it wont get used.

You are correct good sir. Thanks so much.

Everyone uses the 944 body harness right?

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Re: 1986 LS2 Conversion

Post  majormojo on Mon Mar 21, 2016 12:49 pm

I removed that connector (BCM) entirely from my configuration. I'm using a truck harness as well, with an E38 ECM. After modification, I have connectors only to ECM (X1 & X2, I think you have 3 conn on yours) and to power (I used a standalone power block for all fused/relay power to the engine).

I'm using the Porsche body harness for everything else (lighting, windows, etc).

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Wed Mar 23, 2016 9:00 am

majormojo wrote:I removed that connector (BCM) entirely from my configuration. I'm using a truck harness as well, with an E38 ECM. After modification, I have connectors only to ECM (X1 & X2, I think you have 3 conn on yours) and to power (I used a standalone power block for all fused/relay power to the engine).

I'm using the Porsche body harness for everything else (lighting, windows, etc).


That's correct, I have 3 connectors on the ECM. Although the 3rd hardly does anything even from the factory (maybe 20 out of 80 spots on the connector have wires).

Ordered a gas pedal and connector since in the factory application the gas pedal wires go from the ECM to the body harness and then to the pedal. Which is a relief! I was freaking out because I couldn't find any connector that would plug into a pedal on my harness Smile

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Re: 1986 LS2 Conversion

Post  majormojo on Wed Mar 23, 2016 12:20 pm

Yes, with mine I just wired my pedal straight from the ECM. I bought a pedal that came with the APP connector from a junkyard for $6.
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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Sat Mar 26, 2016 8:52 am

Took all the suspension apart yesterday to install new bushings.
Ideola Garage mislabeled packages and I received someones rod bearings instead of the remaining bushings I ordered. I'm a little disappointed that he's waiting to find out what happened to my bushings instead of sending me new ones....

Anyways I forgot that I was getting new spring plate bushings so after replacing the other bushings I put the rear of the car back together......now I get to pull it all apart so I can replace the spring plate bushing when it comes. Neutral


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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Sun Mar 27, 2016 5:35 pm

Is there a secret to connecting the parking brake cable back to the parking brake assembly? It doesnt look like there could be but this is stupid complicated.

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Re: 1986 LS2 Conversion

Post  gdopnt on Sun Mar 27, 2016 7:49 pm

if I remember correctly, I connected at the wheel both sides first and then off the car I did the metal connector at the torque tube and then remounted that piece.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Tue Mar 29, 2016 2:38 pm

I've been looking into how to install the clutch mechanisms and the correct order of doing things and was hoping to run it by the group first.

1. Install flywheel to block
2. Install pilot bearing/adapter in the crank end and check for fitment against the flywheel surface (should be flat with it?)
3. Using the instructions posted [You must be registered and logged in to see this link.], check engine pilot bearing to torque tube engagement and torque tube to transmission set-up. Move torque tube/drive-shaft as necessary.
4. Install engine bellhousing with throw-out bearing installed onto the torque tube.
5. Assemble the rest of the clutch onto the engine (pressure plate and such)
6. Connect the engine to the bellhousing/TT assembly.

Does that sound correct to you guys?

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Tue Apr 05, 2016 9:21 am

Well i got the pilot bearing into the crank and reattached all my accessories after replacing the extremely broken cam sensor. Tried putting the engine in from the top this weekend but I'm not sure i have enough clearance to get the engine mounts to go through the holes in the cross member. It's darn close. I think i'll take the mounts off the block and attach them to the crossmember and see if I can muscle the engine around to get the bolts from the mount into the block. Either way it's pretty difficult to do by myself.

Didn't help that I caught a nasty cold and have been out of commission for the past two days No

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Wed Apr 06, 2016 8:19 am

Is the driveshaft supposed to be able to move forward and backward inside of the torque tube? I can move the entire torque tube as a whole but I can't move it back enough to get the drive shaft into the pilot bearing.

I'm having a hard time getting the AC condenser out. From looking online it sounds like I'm doing something wrong. I'll have to take another look tonight and make sure i'm not missing something stupid. I'm hoping that with the condenser out the radiator will be able to sit more towards the front of the car.

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Re: 1986 LS2 Conversion

Post  Techno Duck on Wed Apr 06, 2016 10:21 am

The driveshaft will move in and out, but it requires some force. Do you have the torque tube slid back all the way? If you havent already, rotate it so the hooks clear the torsion bar housing. You can then slide it back all the way to the spare tire well which gives plenty of space. With that said, make sure you check the engagement of the tip of the driveshaft into the pilot bearing.

For the a/c condenser, if i remember right its just held in with two bolts. Once those are out and the lines disconnected pull straight up on it and it will slide out of the mounts on the radiator frame.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Wed Apr 06, 2016 10:51 am

rotate it so the hooks clear the torsion bar housing

Ah that'll help!!!

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Re: 1986 LS2 Conversion

Post  hutchjc1 on Wed Apr 06, 2016 3:35 pm

Not sure if has been suggested or if it is too late in your build, but if you can I would add a remote bleeder for the clutch, its a bear to bleed if you don't.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Wed Apr 06, 2016 3:45 pm

hutchjc1 wrote:Not sure if has been suggested or if it is too late in your build, but if you can I would add a remote bleeder for the clutch, its a bear to bleed if you don't.

It's not too late and I'm not sure if I've heard the suggestion. Is there a particular product you would recommend?

Thanks for looking out rabbit

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Re: 1986 LS2 Conversion

Post  hutchjc1 on Wed Apr 06, 2016 3:47 pm

I used a tick speed bleeder for mine, it allows for one man bleeding of the clutch

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Re: 1986 LS2 Conversion

Post  Techno Duck on Wed Apr 06, 2016 4:36 pm

I thought a remote bleeder was common knowledge for the LS motors.. Laughing . That is a good suggestion though, it makes bleeding the clutch really simple. Ive found it necessary to bleed the clutch on mine every 1k miles or so also, the pedal feel really begins to degrade as you get more miles on it. You dont even need to crawl under the car, though i still hook up the pressure bleeder or have a friend help me, i dont trust the speed bleeders.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Thu Apr 07, 2016 12:13 pm

Good advice, thanks guys.

Progress is slow. I'm currently house shopping and that's taking 95% of my free time.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Fri Apr 08, 2016 8:51 am

Alright well I got the ac condenser out and removed the front lower fascia/bumper thing. It's looks to me like the only opportunity to move the radiator more frontwards without massive work is to mount it on the other side (forward facing side) of the radiator support.

I'll post some photos later and play with the stock radiator to see what I would have to do to mount it on the front side of the rad support

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Mon Apr 11, 2016 11:35 am

I've reached some conclusions.

As is, with my truck accessory spacing, clearance would be extremely tight for any fan combo that would yield over 1500 cfm. Instead of moving the radiator support or finding another clever solution I've decided to abandon the truck accessory spacing. It'll get me another 3/4 -7/8" clearance that I desperately need with a 3" thick radiator.

In my opinion this is the most cost/time effective solution. The only money required to do this is the $80 for a harmonic balancer + bolt. I'll have to shorten all my mounts/spacers I made, but that won't be too bad. I'm going back to the beginning of this thread to comment that using the truck spacing can make radiator fan and accessory drive clearance problematic

Ordered a 24x15.5x3" griffin radiator with 2 rows of 1.25" tubes. They have a dual 1" tube model that's $80 cheaper but it's somehow the same thickness as the 1.25" tube version.

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Re: 1986 LS2 Conversion

Post  erioshi on Tue Apr 12, 2016 12:29 am

Sorry to hear you're going to have to re-work the accessory drive, I know it's an area you put a quite a bit of work into.  At least your struggles are documented for someone else considering heading down the same path.

Your build looks to be moving along nicely.
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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Tue Apr 12, 2016 8:06 pm

erioshi wrote:Sorry to hear you're going to have to re-work the accessory drive, I know it's an area you put a quite a bit of work into.  At least your struggles are documented for someone else considering heading down the same path.

Your build looks to be moving along nicely.

Hey not a big deal, just gotta put the spacers on the lathe and shorten them.

My TBSS pedal looks to be considerably longer than either the GTO or Corvette option. So I'm going to have to think real hard about how to get everything right before chopping it up.

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Re: 1986 LS2 Conversion

Post  erioshi on Wed Apr 13, 2016 7:13 am

The pedal is an interesting problem.  I'm planning to sort out having the OE Porsche pedal move the controller for the GM pedal.  I think it is probably worth the work,and will give the car a better feel than changing out the pedal completely.
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