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928S Pro Touring Build

After building a 911 Rothmans Tribute and RS tribute, I have decided to switch gears and build what I guess you would call a Pro Touring 928. If you are a Porsche purist, then I don't think this thread is for you.
I bought a 1983 129,000 mile 928s California smog legal 5 speed. I will be replacing the engine with a LS3 e-Rod 430hp smog legal for California crate engine. In addition I purchased a 2004 C5 Z06 manual 6 speed. I will be redoing all of the suspension, bushings, steering and a lot of other things as I come across them. I have read a few threads of amazing 928 builds, which has given me insight and I hope to provide additional information to others who are thinking about a build.
Here is the car before I started taking apart last weekend.





Old 08-24-2017, 05:11 PM
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C5 Z06 torque tube, trans and differential. I sent torque tube to Carl at 928 motor sports to modify.

Old 08-24-2017, 05:14 PM
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Purchased LS3 e-Rod crate engine. Comes with wiring harness, ECM, cats, sensors, electronics accelerator pedal and other parts to meet smog.
Old 08-24-2017, 05:17 PM
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Started removing motor, torque tube and rear end.






Last edited by Blagave; 08-25-2017 at 05:27 AM..
Old 08-24-2017, 05:25 PM
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Last edited by Blagave; 08-25-2017 at 05:26 AM.. Reason: duplicate pictures
Old 08-24-2017, 05:28 PM
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Cleaned torque tube, trans/diff....will sell at a later time

Last edited by Blagave; 08-25-2017 at 05:28 AM..
Old 08-24-2017, 05:29 PM
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Broke down rear end, cleaned hubs and pressed out bearing and will be installing new ones. I ordered all new bushing for the arms from 928 motorsports and just
wainting for them to arrive.




Last edited by Blagave; 08-29-2017 at 05:54 PM..
Old 08-24-2017, 05:33 PM
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Removed passenger side front suspension. Had to cut off upper ball joint, it was crossed threaded. I had already ordered new ones so no big deal





Old 08-24-2017, 05:38 PM
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wow..that's some busy weekend - sounds like an interesting project - keep the posts coming
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Old 08-25-2017, 07:54 AM
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Got the drivers side suspension off, steering rack, along with sway bar, radiator and AC condensor. All of these will be addressed going forward.










I am currently working with Ron Davis Radiators building a radiator that fits stock location with LS3 Plumbing, including engine oil cooler.

I will be addressing the steering rack rebuild along with new ball joints on arms as the parts come in.

I take lots of pictures, so if there is something specific, please ask, I might have it.

Next step is to remove everything in engine compartment to prep for new coating.

Last edited by Blagave; 08-29-2017 at 05:56 PM..
Old 08-25-2017, 04:59 PM
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Very Interesting Project -

Hey Blagave, This project will be very interesting to follow. No doubt - it will be something that only a very select few master technicians with a tremendous range of skills could successfully complete.. But mercy - why not just buy a race ready Z06 Vette with a body kit and paint Porsche across the back end. It would probably perform better and save your dad a WHOLE LOT of money

Please keep us posted and best of luck, Michael
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Old 08-25-2017, 05:42 PM
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Quote:
Originally Posted by JK McDonald View Post
Hey Blagave, This project will be very interesting to follow. No doubt - it will be something that only a very select few master technicians with a tremendous range of skills could successfully complete.. But mercy - why not just buy a race ready Z06 Vette with a body kit and paint Porsche across the back end. It would probably perform better and save your dad a WHOLE LOT of money

Please keep us posted and best of luck, Michael
JK.....I am the Dad and this is therapy for me. I really enjoy doing the out the box projects, it isn't about the money, but building something different and done right. I have built a few other cars and neither had a detailed direction when i started, so this is a journey for me to see what inspires me or not. So far I am excited and have lots of goodies on order.

Last edited by Blagave; 08-29-2017 at 05:58 PM..
Old 08-25-2017, 05:53 PM
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With so few 928's remaining in stock condition, it is kind of sad to see another one dismantled. There are so many other cars to modify. Yes, a race ready Z06 Vette for $110K out the door, ready to blow your socks off, pick up chicks or otherwise wrap yourself around a tree.
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Old 08-26-2017, 04:02 AM
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Quote:
Originally Posted by harborman View Post
With so few 928's remaining in stock condition, it is kind of sad to see another one dismantled. There are so many other cars to modify. Yes, a race ready Z06 Vette for $110K out the door, ready to blow your socks off, pick up chicks or otherwise wrap yourself around a tree.
As I said at the beginning of the thread.....if you are a purist, this thread is not for you.
We can argue all day long about modifying a car and what is acceptable and what is not in the eyes of others. Making the 928 better to be more enjoyable and reliable is not a bad thing. The reason there are so few 928's around is.....the cars were not all that great to begin with and that, is why the cars have fallen by the way side and are so inexpensive to buy.

Anyhow, I don't want the build thread to be about others disapproving of my choices on my build

Last edited by Blagave; 08-26-2017 at 05:49 AM..
Old 08-26-2017, 05:47 AM
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Quote:
Originally Posted by Blagave View Post
As I said at the beginning of the thread.....if you are a purist, this thread is not for you.
We can argue all day long about modifying a car and what is acceptable and what is not in the eyes of others. Making the 928 better to be more enjoyable and reliable is not a bad thing. The reason there are so few 928's around is.....the cars were not all that great to begin with and that, is why the cars have fallen by the way side and are so inexpensive to buy.

Anyhow, I don't want the build thread to be about others disapproving of my choices on my build
It's your car do as you wish. But the 928 is really a great car, set the land speed record back in 1986 for stock production and was top of the Porsche line and most expensive at that time. It had many new features not found on other cars. The 911 crowd just did not like the fact it was a V8 front water cooled engine. It is reliable if you take care of it. It has great handling and enough power to get you in trouble. It is not a Vette, Ferrari, or BMW. It is not as fast but it is after all 30 years old. I even saw John Denver driving his 928 in Vail one time.
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Old 08-26-2017, 09:08 AM
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Did a lot of cleaning and bead blasting on suspension parts. Just waiting for new parts to arrive to the the rebuild.

Last edited by Blagave; 08-27-2017 at 05:41 PM..
Old 08-27-2017, 02:27 PM
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Installed new rear hub bearing. I had a tool I made up to install the bearings and did one with tool and tried the press for the second one, which worked great.i put the bearing in freezer over night and wiped wd40 on the inside of hub.






Old 08-27-2017, 02:32 PM
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Great work
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Old 08-27-2017, 02:33 PM
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Removed up arm ball joints on front suspension. Previous people working on car must gave used a pickle fork to seperate ball joint and gouged aluminum. Doesn't appear an issue. The ball joints have plastic carriage and one of them was destroyed, both ball joints were in bad shape.


Old 08-27-2017, 02:37 PM
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Really enjoying all the info, keep it coming! Nothing wrong with putting a car in a place where you want it, my 83s looks like an s4, been messed about with, enjoyed, but haven't the money/skills, to put an ls motor in it!!!
Old 08-27-2017, 02:40 PM
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