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  matt889 on Thu Nov 05, 2015 11:35 am

X2
erioshi wrote:I'm still watching, lol.  No info on injectors, sorry.  I'm very interested in seeing how your accessory solution works out.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Mon Nov 09, 2015 9:43 am

Well I got good news and bad news. The good news is I'm essentially finished with the accessory drive, the bad news is that if you were waiting to see if that ICT billet layout would work... i won't be able to tell you.

My problem with the ICT billet layout is that the tensioner uses a smooth pulley contacting the smooth part of the belt. Anyone who looks at the picture or link i posted can see that... unless you're like me and too impatient and rush into things. People talk about belts walking off ribbed tensioners with raised walls. I'm too paranoid to rely on that smooth pulley to hold the belt in line and there is no way to get a ribbed tensioner in there without doing something really creative.

Also, if i had known how easy it would be to copy a F-body like layout I would have done that to begin with. Alternator bolts into the right spot. Tensioner bolts into the right spot but the mounting surfaces need to be cut down to get the right depth. I already had my power steering bracket. All i had to do was make a bracket for the idler pulley.

Other than being easy, I know this layout will fit the 944 application which is part of the reason I did it.

All that remains is cutting down the mounting surface on the tensioner and it will be ready. Right now it sticks out too far. I measured 77.5" which is the stock 2005 GTO belt length (according to a thread on the internet, don't trust me). I ordered a belt and we'll see if it's the right length!

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Re: 1986 LS2 Conversion

Post  matt889 on Mon Nov 09, 2015 11:28 am

Soyou ended up with a stock fbody idler,tensioner, alternator bracket ,PS bracket and f body balancer?
FrostedFlakeJake wrote:Well I got good news and bad news. The good news is I'm essentially finished with the accessory drive, the bad news is that if you were waiting to see if that ICT billet layout would work... i won't be able to tell you.

My problem with the ICT billet layout is that the tensioner uses a smooth pulley contacting the smooth part of the belt. Anyone who looks at the picture or link i posted can see that... unless you're like me and too impatient and rush into things. People talk about belts walking off ribbed tensioners with raised walls. I'm too paranoid to rely on that smooth pulley to hold the belt in line and there is no way to get a ribbed tensioner in there without doing something really creative.

Also, if i had known how easy it would be to copy a F-body like layout I would have done that to begin with. Alternator bolts into the right spot. Tensioner bolts into the right spot but the mounting surfaces need to be cut down to get the right depth. I already had my power steering bracket. All i had to do was make a bracket for the idler pulley.

Other than being easy, I know this layout will fit the 944 application which is part of the reason I did it.

All that remains is cutting down the mounting surface on the tensioner and it will be ready. Right now it sticks out too far. I measured 77.5" which is the stock 2005 GTO belt length (according to a thread on the internet, don't trust me). I ordered a belt and we'll see if it's the right length!

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Mon Nov 09, 2015 11:41 am

so you ended up with a stock fbody idler,tensioner, alternator bracket ,PS bracket and f body balancer?

No, sorry if i wasn't clear.

I'm using all truck parts with the exception of a vette water pump. But everything except for the crank pulley required brackets/spacers to work. So the layout mimics a F-bdoy layout, but i'm using truck accessories with truck spacing. Does that make sense?

Hopefully I don't need that extra 1/2" or whatever it is of clearance you gain with the F-body accessories...

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Tue Nov 10, 2015 9:38 am

Turbo trans, xschop's axles, and CV joints are all here!

Someone in LA talking about buying the 2.5L! I sure could use a few extra bills to spend rabbit

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Thu Nov 12, 2015 8:14 am

Haha holy cow I'm a wreck. If you haven't figured it out yet this project does not have my full attention.

I definitely could've kept the first iteration with the alternator hanging off the water pump and the power steering pump in the stock position. I thought this didn't have enough belt wrap but the stock TBSS engine has the exact same belt wrap on the crank. Laughing

Tried to put on my 77.5" belt and BOY is it tight. I don't understand how this tensioner works. It doesn't seem to move?? Makes putting this belt on extremely hard.

We'll see what happens over the weekend. Maybe i'll go back to my first set-up, maybe i'll buy a tensioner pulley that moves like this one [You must be registered and logged in to see this link.]

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belt slack

Post  FrostedFlakeJake on Thu Nov 12, 2015 8:37 pm

Any idea how much drive belt slack i should have? Feel like I might have too much..

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Tue Dec 08, 2015 8:30 am

Still waiting on the swap parts to show up... rabbit

No trans or engine in the car, sold them to a nice fellow from Traverse City. Have chop's axles and the empi CV's in the car.

My only worry about my drive belt setup is radiator fan clearance. I'm hearing that alot of people are really tight on the f-body accessories and my truck accessories are gonna give me 3/4" less clearance....

Shopping for a turbo rad now...

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Engine mounts

Post  FrostedFlakeJake on Sat Jan 02, 2016 9:46 am

What am I supposed to do for engine mounts? I have the TPC brackets but is there any suggested engine mount (polyurethane) to connect the brackets to the crossmember?

the Kooks longtubes and majority of parts from Eric showed up. Waiting on a few stragglers rabbit

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Re: 1986 LS2 Conversion

Post  phlip on Sat Jan 02, 2016 10:17 am

TPC engine mounts should come with brackets that bolt to engine block and tubular mounts that have one side bolt to sub-frame and other end that has poly bushings that bolt to bracket.
Sounds like they could be with some of your "stragglers".
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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Sat Jan 02, 2016 11:12 am

I got those! I didn't pay attention enough to realize there was a bushing where they connect to the part that bolts to the motor.

The two tubular parts that connect to the crossmember are two different lengths, do you remember if the longer one is driver or passenger side? My longer one is marked as driver side but there isn't enough clearance between the tubular piece and where the steering column connects for it to fit. The shorter mount fits there though. Wondering if they were mislabeled perhaps? Or is there some trick to getting the mount to fit? Question


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Re: 1986 LS2 Conversion

Post  Techno Duck on Sat Jan 02, 2016 11:26 am

I forgot which one goes where, but maybe these pictures will help;

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Mounts

Post  simon123 on Sat Jan 02, 2016 1:36 pm

Trial fit with engine inverted.

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Re: 1986 LS2 Conversion

Post  scryfst on Sun Jan 03, 2016 6:16 am

The longer tubular mount is the drivers side.

I also used the Kooks headers on my most recent build. An attempt to install them after engine was in the bay failed. I had to install them before dropping in the engine.
Also, if using the quicktime BH you will have some clearance issues w/ the headers. At least i did. Nothing a grinder couldn't fix.
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http://www.widerstandsfahig.com

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Sun Jan 03, 2016 10:29 am

Thanks guys I figured it out. Installed just the crossmember with the spacers to see if my steering column needed to be modified and while I was there I test fitted the mounts and figured out I was having the tubular members pointed the wrong way Rolling Eyes

Doesn't look like to me that the steering column shaft will need to be lengthened! Taking the tail cone housing to my machine guy tomorrow. The vice on my old man's mill is just short of opening wide enough to hold it.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Thu Jan 07, 2016 11:42 am

Finally got ahold of a machine shop to mill the tail cone housing to fit the TPC trans plate. My little hobby mill needed another 1/4" of y-axis travel to cover it! Was considering buying a flycutter bit and going at it but the machine shop only quoted me $40 so i'll let them handle it.

Ordered some new gaskets for the trans along with the rear seal to try to track down a trans leak I have...

Also deciding on which SPEC clutch to get..

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Power Steering

Post  FrostedFlakeJake on Mon Jan 11, 2016 1:28 pm

Don't suppose anyone knows the flow rate of the stock 944 power steering pump? I know the pressure was 1600-1800 psi but what about flow?

The LS2 equipped CTS-V pump was rated at 1640/1740 psi and 1.9-2.1 gpm... probably still going to send my pump to turn 1 but maybe if the V pump matches the 944 pump...

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Re: 1986 LS2 Conversion

Post  jpkinerk on Mon Jan 11, 2016 7:57 pm

+1 for the Turn One pump. They make a pump "tuned" for this setup with hyrdoboost brakes. I had all sorts of issues with my brakes until I realized it was the pump causing my issues. Since I put the Turn One pump on there I've had zero issues and consistent pedal feel.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Tue Jan 12, 2016 4:11 pm

Clutch came today. Got the stage 1 package: SC091-8 Almost went with the 10.5 combo but decided against it...

Also got one of the catalytic converters i'm thinking about running. Excited to plan out my exhaust and start building it.

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Thu Jan 14, 2016 12:02 pm

Anyone know if I need any special starter with the stainless Kooks? Or can I just buy one of the mini ones off ebay?

Just waiting on the oil pan, oil filter block, & throw out bearing.... rabbit
also waiting on the shop to finish milling the trans tail cone housing

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Re: 1986 LS2 Conversion

Post  docwyte on Thu Jan 14, 2016 4:25 pm

I'm using the stock starter with the Kooks...

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Thu Jan 14, 2016 7:11 pm

thanks. Also see you're using the dual in/dual out magnaflow. That muffler has a built in x pipe doesn't it? And you have an additional x pipe as well?

I wanted to run that muffler but was concerned with either having 2 x pipes or 1 x pipe so far downstream. Any thoughts?

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Re: 1986 LS2 Conversion

Post  docwyte on Thu Jan 14, 2016 10:32 pm

No, the muffler is straight through, no internal X. I just have the external X pipe...

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Re: 1986 LS2 Conversion

Post  FrostedFlakeJake on Fri Jan 15, 2016 8:31 am

What size exhaust are you running? Because I can only find two different mufflers with 3" dual in/dual out and one has an X and one has a Y.

So either they took it off their website, stopped making it, or you're running 2.5"?? Either way I'm outta luck for magnaflow... Jones Racing makes a straight through design dual 3" in dual 3" out that I might run...

here's the 2 magnaflows I was talking about

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Re: 1986 LS2 Conversion

Post  docwyte on Fri Jan 15, 2016 10:58 am

I'm running dual 2.5"...

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