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2001 porsche 996 ls1 conversion

 
Old 02-14-2010, 03:31 PM
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Default 2001 porsche 996 ls1 conversion

I know this might **** off a lot of “other” car enthusiasts , but heck that’s a huge part of the appeal of such a conversion !
So after searching for a long time and doing all my homework and research I decided to go ahead with this project
I’ll be putting an ls1 based engine in a 996 porsche ( 1999 to 2007 body style), this won’t be a race car kind of conversion , but a proper daily driver with most amenities and systems working .
The plan is to have a dependable daily driver that I can take out on long cross country trips without worrying about breakdowns, initially planning on matching the original hp output, but instead of 420 to the crank , I plan on getting 420 to the wheels .
It will have air, heat , all power stuff , a proper stereo system with navigation , good gas mileage, and a comfortable ride and all the instrument cluster working . basically have it where if a person drives it they would never know it was a hybrid ( until you stomp on the loud pedal).

I’ll be documenting every step of the process as best I can throughout the build process in this thread. This won’t be one of my “good enough engineering” kind of builds where a week later the car is somehow blasting down the highway, instead it will be a long term project where I take my time and do it real right

This build will comprise of several steps , first of is getting the car into my garage and making it into a roller .
Next is getting the engine/ trans in and getting all the essentials working so that the car can drive under its own power.
Then comes the long task of fixing all the little odds and ends to get the final product.
After the car is done and running, i plan on getting a new shortblock in along with a set of turbos ( gotta use the intercoolers and ducts for something ) , but that’s thinking waaaay ahead .

Any how , on with the build ; originally I was looking for a regular rear wheel drive 911- 996 for the project, but as luck has it I found a turbo awd one without the engine and trans. After doing some research, I found out that retaining the AWD is not a problem so I decided to go with this car:

The car had an engine compartment fire before, and now is missing a bunch of stuff from the driver rear side rear. I need to get control arms, knuckle, caliper and rotor. but first is getting the thing cleaned up to assess what I need to do. I already have the longblock sitting in the garage ready to be installed. But that will have to wait until I fab up some engine mounts and other stuff.
So to sum it up, I have to :
- Clean engine compartment
- Clean rest of the car
- Get a” to order” list going with priorities
- Start ordering suspension stuff and tranny
- Start mocking up the engine in the compartment
- Start building an engine cradle so I can jack the thing into place


here are pics of her first moments in the garage

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the bad side :
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the good side :
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engine compartment :

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and given how excited i am about this project , i immediatly threw in the mockup engine

engine compartment with a mockup ls longblock :

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distance between engine and body:
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under "hood" clearance with plastic intake :

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interior shots ( you can see the evidence of the engine fire inside the car) , and please forgive the dust and mess, the car has been sitting in the open with the window down for 2 years :

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as you can see it has a loooong way to go , so wish me luck . i'll update this thread as i go .

Last edited by 1dirtyZ; 03-09-2010 at 03:45 AM.
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Old 02-14-2010, 04:13 PM
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more pics :

the engine i cobbled up from things i had laying around the garage.
basically a stock ls1, gto oil pan , with home ported 5.7 heads, main gurdle, a healthy cam and springs.




Last edited by 1dirtyZ; 03-09-2010 at 03:46 AM.
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Old 02-14-2010, 05:44 PM
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Cannot wait to see this done.
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Old 02-14-2010, 05:56 PM
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i love v8 porche swaps!
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Old 02-14-2010, 05:59 PM
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lol....thats an awesome swap on a 996TT car

couple of questions...
are you keeping it "tiptronic"? if so, how will you make the Tecu and the ecu talk to each other?
are you keeping it AWD?

BTW....I want one
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Old 02-14-2010, 06:17 PM
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Originally Posted by aixgelo78 View Post
are you keeping it AWD?
Originally Posted by 1dirtyZ View Post
After doing some research, I found out that retaining the AWD is not a problem so I decided to go with this car


Sweet baby jesus, this is going to be ******* awesome! Who cares about the purists, I never did care for them anyway. If you dont mind me asking how much did you pick the car up for?
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Old 02-14-2010, 06:31 PM
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its gonna be sweet
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Old 02-14-2010, 08:46 PM
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This is going to be great! Was the Porsche engine iron block?
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Old 02-15-2010, 07:53 AM
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Can't wait to see it finished
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Old 02-15-2010, 08:19 AM
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very unique!
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Old 02-15-2010, 10:04 AM
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sweet project
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Old 02-15-2010, 10:10 AM
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neat project, subscribing!
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Old 02-15-2010, 03:09 PM
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otto , thanks for answering

and i beleive the original engine was also aluminum , but i'm not 100% sure.

well i intend to start tomorow , i guess i'll start with vaccuming and cleaning it out from the inside, then try positioning it properly in the garage and put it up on jackstands.

i guess tomorrow will be my tear down and measurement session

da plan :
- mock up engine insde the engine bay and see what accessory drive to use ( vette or f-body)
- put the car on jackstands
- figure out engine cradle design
- clean interior
- clean out engine compartment

i guess that's it for tommorow , unless i get carried away and stard welding stuff up
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Old 02-15-2010, 08:53 PM
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First that turbo mustang... and now this.... your crazy! But in a good way, haha!
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Old 02-15-2010, 09:35 PM
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Which transmission will you be using? A modified G5x transmission? Or trying to get the tiptronic to work?
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Old 02-16-2010, 12:30 AM
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probably going with a G96/50 or maybe a G50/52, if the car had the tiptronic on it right now i might fool around with it and see if i can make it work ( and see how long i can make it suffer :p ) , but since it did not i'll be starting fresh with a manual trans

and bonecrusher , its a supercharged mustang not turbo
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Old 02-16-2010, 01:52 PM
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on the off chance you have to take it to a dealer ship, which would you take it to? Gm or porsche? lol

Although I am a Porsche enthusiast, I will say nice build.
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Old 02-17-2010, 01:28 AM
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LOOOL, i actually thought of that !
i was thinking take it to the dealership and ask them for an oil change , and see what the technician's face looks like when he sees the engine ,,,,,, then complain that what they charged me for an oil change is half the cost of the engine

any how , i got some stuff done last night

i managed to pop the trunk,,,errr hood ,,, the lid in front of the car to gain access to the battery compartment , took the steering wheel and seats out , vaccumed the interior ( still need to wipe down everything ) .

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i then started cleaning up the engine compartment ,,,, lets just say cleanning after a fire is not cool

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i took out what was left of the coolant expansion tank and radiator hoses ( check out the funky hose!)
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and started cleaning and scraping the whole place ( not done but getting there). this is a bit hard since i can't remove all the fluid lines ( a/c , coolant, fuel , vapor) cause its a pain in the @$# to do so , so i just moved them a bit just enough to gain access to whats behind them so i can clean and then paint the whole area. this is an ants-eye view of the engine compartment

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the plan is to have it painted and then put some reflective sheilding/insulation in certain areas to keep the cabin cool. i also thre the mockup engine in again to see how its going to sit ( the car was now on the lift , aso i can better judge ), i seems its going to be fine ( but tight ) as long as i use a shallow accessory drive ( vette ) , problem is i can't judge exactly till i get a tranny in there.

while i was cleaning the interior i found this :

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i'm not sure which lane the car was in , but i pan on beating either time by a full second (speeds are in kph and are109mph and 120 mph respectively)


so next on the seemingly never ending to do list :

- clean the engine compartment some more , probably with a sander
- paint it hi-temp black
- order the suspension parts
- take the wheels off
- remove the engine compartment cover
- remove the rear carpet inside
- start rough sketching an engine cradle

that should keep me occupied for a few days

Last edited by 1dirtyZ; 03-09-2010 at 03:47 AM.
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Old 02-17-2010, 02:14 AM
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nice car and great idea
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Old 02-17-2010, 03:51 AM
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subscribed. cant wait to see this finished.
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