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A very good and much worse thing happened to me about an hour ago. \
I finally got my new 85 900T back together after a lenghthy build up of high perf. parts. I had an engine fully remachined at Lesco machining (the place that Group9 is associated with, Very Very excelent work!) The block was decked, line honed, hot tanked, bored .020 over, new pistons, all the clearences are perfect, It is basicly more perfect than from the factory.
so I have this engine and a 2.1 head that was also machined at lesco, multiangle valve grind new stems and also surfaced.
Also to go on the engine are a custom header, lightened flywheel and bigger clutch, and a whole lot of other little upgrades. So i finally get the car together and start it...On the first try it starts right up like it's been running all its life. I set timing at 16, check the O2 sensor with a volt meter and it's like right on, I diddnt even have to adjust the idle.
A bad thing that was very obvious was what sounded like the lifters clacking, so I turn it off and blead the cam oilers on the 2.1 as the bently book specifies. Put the cam cover back on, start it...no change.
So then I thought that maybe it just needs to be run a while to get the oil flowing at pressure. I thought this because I have a stock 85 spg that I replaced the early style cam oiler and one of the lifters flutters for like a minuete till its driven with load on the engine.
So it was reasonable that I thought that the new 85 was the same as the spg. Drive through mu neighborhood to a gas station on the corner and it runs and drives beautifully, except the diesal like sounds coming from the lifters. while at the gas station I call Dave Kennedy at group9 to ask him about my lifters. He told me that they do that sometimes and then go away after a little bit. So I get gas ( by the way, before I got the 85T, the car had been sitting for like 7 years, registration expired in 97, so the gas in the tank was bad, sort of an orangish brown)
every thing was fine for a while but right as I left the gas station, approx. 20 minuets after first starting the car, the lifters stop clacking then like 1/2 a second later a slight pop, then the engine dies. !!!!!!
I rolled to the side of the road and try to start it again, it sounded like itwasnt trying to start, just spin. Got out and cranked it, the engine cranked but still spun and diddnt even try to start, the scary part was the engine did not shake back and forth like it normally does when you go to start it, it just spun freely like it wasnt making any compression or something. !!!!!! then the entire electreical system shut off, then came back on then shut off then came back on. then it wouldnt even crank over.
My brother and I pushed it back to our house, and got it in the garrage, NOt a fun time pushing a saab down the road, especially when you dont know why it wont work.
We suspected either the timming chain had either slipped snapped, the lifters all frose in the down and locked position, or the little trolls were playing tricks on us again!
Cam cover off again and look at the cams and after a muinet of checking them discovered that one of the cams is spun 180 digrees!!! Interesting?
SO we double check and one of them is spun. I know that they wen on lined up, I know that it ran fine for like 20 minuetes, then all of a sudden, the engine has a fear of turning on.
Is it possible that one of the cams could slip like that? Why would it slip that much?
Any words of wisdom would be most appreciated
-Price
PS Sorry its so long, I put all the background info in because I diddnt know if any of it would pertain the situation. Thanks
posted by 66.74.1...
, Fri, 3 Sep 2004 04:44:10, Sat, 4 Sep 2004 09:44:54, Sat, 4 Sep 2004 05:55:57
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