Leslie 928 S2

Quote:

Originally Posted by BrendanC

Please refer to my title. I am in rehab. 12 step and all that.

Hey once an addict, always an addict, right??

I'm impressed by your fortitude and willpower to keep things in one piece, Brendan.

Does it feel better?

the flyin' scotsman

Thats what you call prepared; spare engine and gaskets all set to go, all you need now is the coveralls and away you go.

Hope its sorted soon

Leslie 928 S2

Well, we have come to realize, after knowing these cars for more than a little while, that's it's very easy to predict what will happen down the road....

They always need engine gaskets, timing belts and water pumps, plus a full tune up, at the very minimum. Especially when you buy the sitters we have bought a couple of times....

Kevin's got this stuff down to a science now (as can be seen by the very large chunk of the top end that he took off in one piece and one step). Water pumps and timing belts take him about 4 hours, on average.

Engine regasketing takes about 2 - 3 days, barring problems like stuck and stripped allen bolts, etc.

He's been fighting the back bolt all morning, finally had to chisel the dang thing out.

But it's out now, thank goodness, and the process continues....

928ntslow

BTDT with my 82 ROW. Gotta say, with a 16v'er, it s snap to pull the motor. Trust me when I say that aside from it being much easier to work on the motor, it is actually much quicker in the long run. We had mine out in 10 minutes!...yes, 10 minutes. And that was mounted onto the stand. With the time already spent on pulling the intakes, the same amount of time could have been spent disconnecting the bits to pull it. On a 16v'er, in about an hours time, you can have it ready to yank. Going back in took about 20 minutes.

Seriously! I fought this concept until I finally submitted and did it. I had spent WAY too much time previously screwing with the motor when I could have easily pulled it and saved myself so much time and aggravation. These days my first instinct is to yank it...even for the simplest things

See my thread on the blown head gasket issue I had.

https://rennlist.com/forums/showthre...ht=head+gasket

Good luck!!!

Leslie 928 S2

Well, looks like it's getting an engine transplant after all.

Broken piston, at a minimum....and maybe some damage to a cylinder wall. It's already overbored, apparently, so that's all she wrote. That one will end up becoming something special a looong way down the road, and in the meantime, we'll throw the spare engine in there to keep the car mobile.

Yeah, he's actually planning to install a motor twice. In the same car. On purpose.

But we don't really see any options. There isn't enough room to pull the motor in the garage and put it on a stand with the car in there. Once the motor is pulled you can't move the car. And he wants to take his time and do it right, but winter's coming, can't leave it sitting out there that way. So what's the alternative? We don't see one.

Since our only other form of transportation is another 928, we need both of them to be running at all times because it often takes a week to order in a new part. There needs to always be a backup position. We don't have that right now.


The scary thing about this car is, damn, it put down 344 to the back wheels just two months ago on bad injectors, too hot plugs, and with a fairly bad vibration in the motor that could never be found or eliminated. Tried changing the torque tube, vibration dampener, torque converter, all of which did have problems but weren't the source of the vibration. So this cylinder must have been the cause, and it still went like an animal. WTF??

Cylinder #8 was slightly low on compression when we got the car back in March. But that was after sitting ten years not running and was still not running up to that point. Kevin never went back to retest it because it ran so damn good once he put it back together. None of the pistons have any signs of pinging, melting or otherwise. The other 7 cylinder bores look great.

The engine appears to have aftermarket pistons in it. Looks like a rebuild job that went bad. Someone's pulling their hair out over this car.....even now, all these years later, I'd bet.

So I guess it won't be back on the road this weekend after all. But I bet it's running by the middle of next week, if I know Kevin!

Once Kev gets the car back together, he'll tear down the engine and post some pics of the damages he finds.

Imo000

Sorry to hear that the engine is toast. I'm in the middle of replacing the HG on my boosted '85 (with the engie in the car) too, so I can somewhat relate.

I've repalced the head gasket on my first 928, and '83, and used 2 sets of 944 gasket sets to do it. Except for one small gasket (can't remember but i think it was the rear coolant block of plate gasket), the double set of 944s had everything that a 16V 928 needs.

Leslie 928 S2

That's an interesting tid bit to know, Imo. But I'm curious....what was the point of buying two 944 sets rather than a 928 set? And did the head gaskets work?

I thought there was a left and right to those things. I know we got two of the same side in an engine gasket set once, and that did not work.

Just sayin'.....

Mrmerlin

you can always use a blown 928 motor for coffee table art just clean things up and buy some tempered glass wala a coffee table.

Goodluck on the engine swap maybe invite a few friends over the push the car out of the garage to swap motors

Leslie 928 S2

Thanks Stan, but unfortunately, we don't really have anyone nearby that is able to help. Everybody we know is an hour away or more so it's not like we can just call up a couple of people at the drop of a hat and say, come on over. Kevin has gotten pretty well used to working on his own.

Leslie 928 S2

Oh yeah, and that motor has at least one more life to live before it becomes a coffee table! Next year we hope to send it out for reboring, etc., etc., etc.

largecar379

probably the same thing wrong with mine.......25psi low on compression (compared to the rest), lots of blow-by, lots of oil usage......


and did I say it's #8......?



--Russ

Leslie 928 S2

Yeah, but that's what's so weird about the thing...we weren't losing any oil before it went all the way. There was just that unfindable vibration.

Then when it went, it filled the oil control canister and vaporized the oil out the breather all over the car. Thank god he only had about 1/2 mile to limp it home. He came in with oil all over his tires, and dripping off his body panels. What a mess.

We had 155 pounds in 7 cylinders and 75 in #8. D'oh!

Big AL in VA

Leslie,

That was good he was only 1/2 mile from home. The first year I had my S2 I would take it on long trips. But now I only drive it short distances with my two fingers crossed behind my back. Not that it has any issues, maybe because of current economical times and the thought of having the car down for a long period.

Good luck with the car and I wish I lived close enough to pitch in.

Imo000

I did this back in ’99, so my memory on this is a bit fuzzy but from what I remember, the local distributor had the 944 sets in stock and it was his recommendation to use it. He said that “this is what the 928 guys around here do” so knowing much less about 928s back then, I took his advise and it worked just like he said it would. He did mention that one or two small gaskets will be missing and he was spot on. I really don’t recall anything about the orientation of the HGs but it’s been on the car since and without any issues at all. My brother owns that car now as the HG still holding up just fine. The two of us did the HG job but I can’t recall if the gaskets needed proper orientation or not

Leslie 928 S2

Veddy veddy interesting, Imo. Thanks!

It's the thought that counts, Big Al, thanks so much!