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Wile_E.Offline
Post subject: Wile E.s V12 Project  PostPosted: Nov 16, 2008 - 11:19 PM
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Well guys after over a year of searching, I finally have my V12. It is a 91 750il with only 96K miles. This car is in nice shape and the interior is perfect for being seventeen years old. I drove it home from San Diego, which was a three-hour drive, so I was able to test it on the freeway and in the city. It runs perfect with the exception of a brief moment of white smoke from the exhaust. After driving mostly up-hill at 80 miles per hour for an hour, when I was decelerating for the off ramp and at the bottom of the off ramp, white smoke came out the tail pipe. After that, there was no more smoke for the remainder of the trip. My guess is that either I am not getting 100% spark or the intake manifold was dumping excess fuel.

I have everything purchased for my V12 installation. I am now just waiting for Mike Bauer to send me back my clutch and my adapter package that he had made for me.

Switta and Jim,
I will be asking for a lot of help. I have most of the information that you guys have posted but electrical systems are not my strong point.


Last edited by Wile_E. on Nov 17, 2008 - 09:29 PM; edited 1 time in total
 
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jdinnerOffline
Post subject: RE: Wile E.s V12 Project  PostPosted: Nov 17, 2008 - 12:32 AM
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Good Luck man, you will be happy with it when you finish.

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RTOffline
Post subject: RE: Wile E.s V12 Project  PostPosted: Nov 17, 2008 - 01:11 AM
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Location: Buckingham, PA, USA
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Wile E.
The white smoke you mentioned can be expected from an engine with 96K miles.
It is caused by the exact condition you described. When you decelerate the throttle body is closed but the engine is still pulling a strong vacuum and the engine will pull in whatever it can from wherever it can. This white smoke is coming from oil being sucked past the valve stem seals and along the valve guides. Excess fuel will cause the smoke to be black. If it isn't too bad you could live with it. You might get away with new seals but of course the best route is new valves, guides, and seals.
Your project sounds great. Congrats on your V12.

RT

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gwaderOffline
Post subject:   PostPosted: Nov 17, 2008 - 03:21 AM
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Here you go Wile E.

g





Last edited by gwader on Apr 18, 2009 - 04:45 AM; edited 1 time in total
 
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RUNDLCOffline
Post subject:   PostPosted: Nov 17, 2008 - 05:39 AM
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Way to go Wile E!! car looks great, you are on your way. Should be tons of fun and work.
 
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Wile_E.Offline
Post subject:   PostPosted: Nov 18, 2008 - 07:41 PM
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SH@# ! I went to the smog station, which, for those of you not in California, is the automotive equivalent of visiting the proctologist. Of course the car did not pass because of too many hydrocarbons. This is due to a problem with my spark. Hopefully a simple tune-up will solve the problem.
 
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gwaderOffline
Post subject:   PostPosted: Nov 18, 2008 - 08:56 PM
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Well get to it! Tell us how much the tuneup costs.

Greg

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RUNDLCOffline
Post subject:   PostPosted: Nov 19, 2008 - 06:04 AM
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Hellllooooooooo Wile E why did you have to get the smog?? In the great state of Cali. the seller is (supposed to ) by law provide the smog cert. I hope you got a smokin deal to have to tune the thing up yourself Wink
 
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Wile_E.Offline
Post subject:   PostPosted: Nov 19, 2008 - 03:53 PM
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It passed smog in April but in California, any car older than 1995 requires a smog inspection within 90 days of change in ownership. You are right about the seller being responsible for the smog. So, I am going to find out how much this is going to cost. If it is not much, then I will not worry about it. If it costs over $500, then I will go back to the seller.
 
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gwaderOffline
Post subject:   PostPosted: Nov 19, 2008 - 09:15 PM
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I f@cking hate Cali!


G

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G

Custom NAERC 6.0
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Wile_E.Offline
Post subject:   PostPosted: Dec 05, 2008 - 08:33 PM
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F#@K!!! After spending $550 on a local BMW mechanic to replace the plugs and filters, do a tune-up, and completely go through the emissions and diagnostics, it still did not pass emissions. I called the BMW mechanic and we are now thinking the cats are bad because that is the only part of the emissions that does not go through the engine management.

The cats on these cars are huge. There is definately no way to use these in our builds. I now need to find California CARB approved cats that are small and I will install them inline with the current exhaust.

Jim and Switta,
What cats did you two use?
 
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swittaOffline
Post subject:   PostPosted: Dec 05, 2008 - 09:06 PM
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in iowa i did not have to use cats
don't let yours go if you replace them with new ones ! they are worth big bucks !! i got $600.00 for mine at the scrap yard .

Dave

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flyhilandsoft
Post subject:   PostPosted: Dec 05, 2008 - 10:28 PM
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Are you kidding me? I just through mine in the trash dangit!

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jdinnerOffline
Post subject:   PostPosted: Dec 06, 2008 - 11:32 PM
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Wile_E. wrote:
F#@K!!! After spending $550 on a local BMW mechanic to replace the plugs and filters, do a tune-up, and completely go through the emissions and diagnostics, it still did not pass emissions. I called the BMW mechanic and we are now thinking the cats are bad because that is the only part of the emissions that does not go through the engine management.

The cats on these cars are huge. There is definately no way to use these in our builds. I now need to find California CARB approved cats that are small and I will install them inline with the current exhaust.

Jim and Switta,
What cats did you two use?


I paid my tow truck guy with the old cats. I am currently using stock Diablo cats in my build. Some of those speed shops in CA remove them from real cars to install custom exhaust. Perhaps give them a call.

Jim

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guywithlamboOffline
Post subject:   PostPosted: Dec 07, 2008 - 01:47 AM
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some of those aftermarket cats wont last long, last year I replaced on my Beemer w/aftermarket cat and allready start to rattle. new one was $2900.00, so a/m $450.
one thing here is good,if you know the right people you'll get E test without even seeing the car. ($200)
 
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