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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928 5-speed kit

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928 5-speed kit

Post  xschop on Mon Mar 18, 2013 11:14 am

Soon . I'll have a bare bones 928-LS kit for sale (mates to 5 speed trans). I spent some time designing my own version that does NOT require a pilot bearing adapter and shortens the TT adapter....enough to use an off-the shelf oil-pan when the sway bar is dropped down.....

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Re: 928 5-speed kit

Post  abarthel on Tue Mar 19, 2013 7:23 am

Sick... I like the motor mounts. lol that is all

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Re: 928 5-speed kit

Post  xschop on Tue Mar 19, 2013 7:50 am

I dropped the engine mount height holes another 1/2" so I can build a custom (thicker) Strut Bar. I also mill-slotted the X-member bolt holes to allow for engine set back when the Vette trans installs.
Did these on the Bridgeport and started with only the best, cold-rolled CrMo 4340, 0.25 x 3.0 and then machined a bolt-compression tube (4.25" matches Camaro engine mount) to keep it all square as I weld it up.... I play to win Laughing

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Re: 928 5-speed kit

Post  charlie1175 on Wed Oct 23, 2013 12:40 pm

Wow. Very nice work. i am looking to mate the 951 ttube and transaxle to a bmw m62. I wonder if you could help me with an adapter?

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Re: 928 5-speed kit

Post  xschop on Wed Oct 23, 2013 8:45 pm

I don't plan on doing any one-off stuff for awhile. You'll have to mock everything up then calc the adapter design/depth. IIRC that engine has a trans with removable BH that has a large concentric hole so the adapter shaft centering would be easy to calc.
On the other hand, I have one adapter left to mate up a Lexus/ Toyota 1uzfe engine if you're interested.
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Re: 928 5-speed kit

Post  Amille28 on Sun Dec 22, 2013 10:18 pm

Hi Xschop,

I'm interested in your kit, but I don't have enough posts to pm you. Does it include the yellow brackets that go to the crossmember? I've never done a conversion but I saw your thread on another forum. Thanks!

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Re: 928 5-speed kit

Post  xschop on Sun Dec 22, 2013 10:41 pm

Yes, I am selling the engine mounts and 928 Torque tube adapter for the basic install kit.... $595 shipped US-48. If you follow my build thread, everything else is bought off the shelf. I posted part #'s for everything in the thread. Merry Christmas.
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Re: 928 5-speed kit

Post  xschop on Thu Feb 20, 2014 1:57 pm

You guys that have gotten my basic kit need to post pics/start build threads. Also as an FYI it is easiest just to remove the 928 Xmember and install the LS engine/oilpan together, then reinstall Xmember. I ground down the rear outer Xmember lip by 1/8" to give more oil pan clearance when motor mounts are bolted up.
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Re: 928 5-speed kit

Post  attes on Mon Mar 31, 2014 4:27 am

Hi... I am new to this forum and actually found here by following your 928 LS build thread from other forum.

Just to summarize.
You made the adapters (engine mount,TT adapters) but everything else was stock parts either GM or other.
Did that clutch that you used had spline that matched the Porsche "clutch axle", with this I mean the small axle which is bolted to transaxle?

Seemed simple. I am aiming to do a LS swap and tryin to find a easy way to do it...

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Re: 928 5-speed kit

Post  xschop on Mon Mar 31, 2014 7:41 am

Exactly. The build is here too. I used the same Sachs clutch disc that I used in my 948 swap as well. My kit is all that is needed besides off- the- shelf parts. The 928 requires much less custom parts than the 944 to do the swap,Especially no custom headers And brakes
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Re: 928 5-speed kit

Post  xschop on Mon Mar 31, 2014 1:45 pm

Sachs Clutch Disc # BBD-4163
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Re: 928 5-speed kit

Post  erioshi on Wed Jun 18, 2014 2:47 pm

I did have a question about the engine mounts, but can't seem to PM yet.  I'm hoping these kits are still available as I'd like to use one on a 928 OB project.

Hmm .. I guess this is my first post here. New car new forums, lol. I thought I had already posted here, but it must have on the other 928 boards.
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Re: 928 5-speed kit

Post  xschop on Wed Jun 18, 2014 2:51 pm

I am still making the 928 LS basic swap kit. What do you want to know about the engine mounts?
I didn't know about other boards besides RL.
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Re: 928 5-speed kit

Post  erioshi on Wed Jun 18, 2014 4:45 pm

I had a question about the design under specific types of unusually heavy loading. The swap I'm doing would spend some time on the track with very sticky rubber, think Hoosier A6 or R6 and comparable rubber. I'd prefer to PM.
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Re: 928 5-speed kit

Post  xschop on Wed Jun 18, 2014 5:34 pm

Your thinner stamped steel cross member would crack first and I've never heard or seen one break.
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Re: 928 5-speed kit

Post  erioshi on Thu Jun 19, 2014 2:29 am

I'm not 100% convinced that your answer fits my question.

The engine mounts look to be basically a "u" bracket without any side support.  I'm wondering if there is any chance of the brackets bending or folding slightly in the fore/aft plane.  My 928 knowledge is very rusty, but if I recall correctly, the chassis and torque tube are not rigidly mounted to the chassis.   This would mean the entire drive-line is continuously seeing an endless series fore/aft load cycles .. and under high speed race-track conditions, a series of extreme fore/aft load cycles.  Given that use case, are the engine mounts at risk of eventually bending or folding over?  Also how likely is is that the slotted mounts could eventually begin to have their bolts slip along the length of their track under this kind of extreme use?

I do recognize that the GM engine mounts will also compress, and should absorb some of this fore/aft movement.  I don't know how the stiffness and designed-in motion ranges of the GM engine and Porsche transmission mounts compare.  And with that lack of data, I have no idea of what the most likely point or mode of failure would be if a problem were to occur.

I'm not questioning the quality of either your products or your work, I'm just looking for a bit more information concerning the unusually abusive driving this car is likely to see.
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Re: 928 5-speed kit

Post  xschop on Thu Jun 19, 2014 7:26 am

I have done a few VERY high speed stoppies in my 928-LS to test the Carbotech pads in my Lexus brakes. The mounts have not moved at all. If you are worried about movement, you could weld the engine mounts to the cross member once you are all adjusted. I designed them with a slot so you can install a Corvette torque tube and 6 speed T56 later. I have helped build a few already. Also Carl Faucet makes a set of billet (solid) trans mounts as well for racing. Tell him I sent you.
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Re: 928 5-speed kit

Post  erioshi on Thu Jun 19, 2014 3:13 pm

Fair enough, like I had said I was just asking. I really like Carbotech's brake pads, I've used them for years.

In the end it's just a car .. anything that doesn't work can be replaced with an upgraded version that does. Thanks for the information.
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Re: 928 5-speed kit

Post  attes on Sun Jun 29, 2014 2:45 am

You could ad triangular pieces into the mounts either into the midle or to the top and bottom of the mount.

That would add much support to the mounts.

Normally in trackdays the problem with motormounts is that those are too soft and it lets the engine rotate too much and it brakes something. Thats why even Porsche has those "engine shock absorbers".


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Re: 928 5-speed kit

Post  xschop on Sun Jun 29, 2014 8:04 am

Also the factory trans mounts are designed where the entire drive train cannot move forward or aft much more than 1\4" (7mm).
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Re: 928 5-speed kit

Post  erioshi on Fri Nov 14, 2014 6:33 am

Hi, wondering if your kit requires any modification to a Moroso 20140 oil pan or cross-member to fit?  Not a problem, just curious.  Also curious about what parts exactly come with the kit.  Again, more about clarity for planning than anything else.  It looks like the bell housing adapter plate, torque tube adapter, engine mount adapters and hardware.  Thanks in advance.
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Re: 928 5-speed kit

Post  xschop on Fri Nov 14, 2014 7:27 pm

You can use the Moroso pan. It just needs 2in square copped out near the sway bar. I have a kit on eBay now without Belhousing as I can get the mounts, C5 bell housing adapter and TT extender along with LS pilot bearing in a large Priority box.
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Re: 928 5-speed kit

Post  erioshi on Sat Nov 15, 2014 2:04 am

xschop wrote:You can use the Moroso pan. It just needs 2in square copped out near the sway bar. I have a kit on eBay now without Belhousing as I can get the mounts, C5 bell housing adapter and TT extender along with LS pilot bearing in a large Priority box.
Of course it's on ebay tonight.  I kept checking after the PM I sent you, but with no response I ended up moving along with plan B.  Tonight I purchased a new (used) car to update my daily driver so I can sell the Jag sedan I've been driving.  The Jag is a nice car but less than ideal in a Minnesota blizzard or deeper snow.

If had seen your kit on ebay this afternoon before I went car shopping, I would have bought it.  But for now, the majority of my swap shopping will resume again after the Jag is gone.  I am also selling off some parts from my 928 race car.  (Tongue-in-cheek) Any chance you're interested in a set of the Euro style 8" H4 headlights for a 928?  I have one (used) spare set complete with lenses, bulbs and mounting brackets I would like to sell.  If you happen to be looking for any other parts (black interior stuff and/or odds & ends from a '84 928S) that might be compatible with your new V12 project, please let me know.

Is spacing the sway bar down from the chassis a viable option instead of cutting the pan?  I could make up a set of spacers without needing to break out the mig.
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Re: 928 5-speed kit

Post  xschop on Sat Nov 15, 2014 9:01 am

Sounds like you need a 4wd not a hybrid. Yes you can space sway bar forward and down, but forget about lowering car at that point.

I have the one last LS 5 speed kit that I'll build this year. My oilfield parts have me busy for quite awhile.....Drill baby, drill
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Re: 928 5-speed kit

Post  haroldk on Sat Nov 15, 2014 11:07 am

erioshi wrote: The Jag is a nice car but less than ideal in a Minnesota blizzard or deeper snow.

You should just see if Justin can still get snows in your size.
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