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beancounter
 
jwasbury's Avatar
 
Join Date: Jan 2008
Location: Weehawken, NJ
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Quote:
Originally Posted by woywitka View Post
I'm expecting to have to rebuild the engine anyways because of what they said about the oil leaks. SO does it really matter?

There is no piston coming out of the case, there is no banging or knocking sound, so I would expect I can salvage some parts.
A leakdown could give you an indication of whether pistons and cylinders can be reused. No guarantee, of course. Pistons and cylinders are 4k. This becomes a matter of how much you expect to spend on said rebuild. Reseal to fix oil leaks doesn't equal rebuild. The best case scenario a reseal is just that, and the cost is minimal. If you're prepared for the cost of full monty rebuild and your eyes are wide open, then of course you can skip the leakdown. I'm just sensitive to your starting point, where you seemed incredulous at the possibility of 15k cost to right this car.

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Jacob
Current: 1983 911 GT4 Race Car / 1999 Spec Miata / 2000 MB SL500 / 1998 MB E300TD / 1998 BMW R1100RT / 2016 KTM Duke 690
Past: 2009 997 Turbo Cab / 1979 930

Last edited by jwasbury; 10-08-2014 at 07:18 PM.. Reason: English is my 1st language, but having trouble with it tonight
Old 10-08-2014, 03:27 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #61 (permalink)
3 restos WIP = psycho
 
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P/Cs are a minimum $2.5K...$1000 for 98mm JEs and $1500 for rebore and plate. Mahle...more.
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Old 10-08-2014, 03:44 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #62 (permalink)
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There is some really good advice being shared here.
Simple put rebuild parts for engines vary in price for a simple reseal and valve grind > 4k, to major component failure like P&C's which quickly escalate the costs and 930 are prone to burn pistons if not running right.
930 are much more stressed than an SC and will destroy themselves much quicker and more thoroughly than an SC if abused and parts are more expensive.
Just a heads up
Old 10-08-2014, 03:52 PM
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Just an update. After 2 days the total from the PPI came back. It was basically a skip the leak down, you're in for a reseal and inspection of the P&Cs because a leak down will only give a better indication of something we already know, the car needs the engine taken apart and this will vary by up to $6K on their $18,000 estimate to rebuild the engine.

The total of work needed was $27,500. Front brake rotors, clutch adjustment, rear wheel bearing, distributor rebuild, pedal bushing rebuild and then of course the engine. The fuel injection is not happy (likely from sitting). So I will need to drain the tank, replace the fuel filter, and put in a bottle of injector cleaner, go for an easy drive and cross my fingers that I don't have some stuck injectors. I've brought back CIS cars many times and been lucky. hmmm.

That being said, they said the engine sounds fantastic. The underbody is immaculate "one of the best we've seen" and the car is exceedingly original. The left rear fender has been painted, and I can confirm this as there is a record on the insurance in 1991 for a vandalism claim of $1,000. Seems about right at that time to repaint that area, the quality of the work was and still appears to be very good. The owner does not remember doing that, nor the fact that he actually replaced the windshield twice, once in 1986 and again in 2003. The shop said they don't believe the car has ever been hit and they had 3 930s there and said this car was nicer than those. One a guy had paid $60K for one of the 930s recently.

The shop did said I could sort the brakes, rebuild the distributor, do a full service (plugs, cap rotor, oil and filter) and likely drive it just fine. Which I'm sure i will attempt all those things myself. They said keep and eye on the oil leks, run 20W50 oil and some of the leaks may go away. They didn't seem adverse to the idea of driving the car, they said everything else including the transmission checks out "why not".

I went to the owners house and we chatted for another 3 hours, I really like him, he's just so cool and has tons of great stories. Such a great experience. He was disappointed by the inspection, especially because his friend put 400,000 on a 930 that had never been apart. But he came around and agreed the price may need to be revisited now.

He said let's think on it for a week, and that he understands that it needs a lot of work now. He refuses to sell it to anybody but me or he will keep it, despite the garage expressing interest.

My plan would be to rebuild the engine myself. Perhaps I'm in over my head, I guess I will find out. If the P&C are ok, then could it be feasible to just do the valve guides and reseal the engine?

I will keep you guys updated.

And BTW, you guys had everything spot on! Man, I've got a lot to learn, this is not anything like bringing back a 1988 Yugo (joking). I will start to listen a little better.
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Last edited by woywitka; 10-10-2014 at 12:30 PM..
Old 10-10-2014, 12:11 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #64 (permalink)
3 restos WIP = psycho
 
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Sounds like a solid conversation.
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- 1965 911
- 1969 911S
- 1980 911SC Targa
- 1979 930
Old 10-10-2014, 12:44 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #65 (permalink)
beancounter
 
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^good work! Perhaps you and the seller can come to agreeable terms and it will be yours.

You can do the DIY rebuild...I did (fully documented here Jacob's rebuild thread)

I'm happy to share experiences (PM me and I'll give my phone# if you would like to chat)

I had deja vu when I read your posts. This car sounds a lot like mine was when I bought it, and your expectations of what it might need were also very much like my own (under estimated). This thing cost me more $ than I could have possibly imagined, but it wasn't a burden financially and I have no regrets. I can't put a price tag on the experiences I've had because I bought my 930.

I think the important thing is to manage expectations, and to "know yourself" No doubt you can drive these cars even though they have issues. I drove mine with busted piston rings and melty piston (one of the photos above). To from the Carolinas twice...one of those times was for a track day. It was still the fastest car I had ever driven, despite the engine issues. Once I knew it had those issues for sure, I had to fix them properly...that's me. Once the engine is dialed in perfectly, are you really going to drive around on 30 year old suspension bushings that are shot to hell? Not me...so new suspension followed shortly behind engine.

^this is the slippery slope by the way (if you haven't heard of it before)
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Current: 1983 911 GT4 Race Car / 1999 Spec Miata / 2000 MB SL500 / 1998 MB E300TD / 1998 BMW R1100RT / 2016 KTM Duke 690
Past: 2009 997 Turbo Cab / 1979 930
Old 10-10-2014, 01:16 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #66 (permalink)
 
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I haven't seen another post by woywitka, I guess he passed on the car or he likely would have been on daily asking questions and updating us.
Too bad because we've all been there but It's probably a good thing because these cars are DIY friendly, but he came into this knowing it needed an engine rebuild. Beyond that there was other possible issues this forum brought up to him. Talent and experience can save money, but even the exploration needed requires parts and this car sounded like it was rode hard and put up wet
Old 12-01-2014, 11:31 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #67 (permalink)
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One thing i did notice from the op's post was the fact that the garage that did the ppi showed "interest" in the car. The cynical side of me wonders if the car truly needed a full rebuild as the shop stated....Well i guess it's a moot point if the op decided to move on....hopefully he continues his search...

Old 12-01-2014, 12:35 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #68 (permalink)
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