The SSExi project v3.5 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-13-2011, 03:25 PM   #1
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Default The SSExi project v3.5

Yep, here we go again. Because this is the same block, it only goes to v3.5 The problem is still there. I have replaced every last part but one, and that is the part that is coming out. The cam is all that is left. So here we go, again.

It starts.
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About a hour and a half of work, perhaps a bit more and it'* all ready to be lifted out. All that'* left is the right motor mount, and 4 bolts on the bell housing.
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You know the drill, assume the position.
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Popped right out with very little effort.
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Just need to mount on the stand.
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All done. Total time from start to mount was 3 hours. And that was stopping to eat lunch.
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The only problems I had was the diff to engine mount. Because I only have one working eye I was having a hard time seeing in that area. Also, had a very hard time putting the socket on things like bolts and spark plugs, depth perception is really effected. And getting one bolt off the header crossover was a problem. Should have hit that when I was under the car.
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Old 05-13-2011, 03:32 PM   #2
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Not bad for a feller with one eye LOL nice work dan sad to see ya have to pull it again
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Old 05-13-2011, 03:33 PM   #3
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You know what, I hardly get dirty anymore. The only problem is I think I'm wearing out all my bolts.
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Old 05-13-2011, 03:36 PM   #4
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Lol i bet you are..Might wanna chase some ogf the threads make sure their all okay LOL
Shouldnt this be like with the other project thread lol
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Old 05-13-2011, 03:37 PM   #5
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I don't even know what project this is anymore.
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Old 05-13-2011, 03:38 PM   #6
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lol i have no clue why you pulled the motor out..I saw btso n FB but couldnt quite peice it together
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Old 05-13-2011, 06:04 PM   #7
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Took me all of a hour to rip it all the way down.
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Parts all lined up and waiting to be put back on.
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This is what I believe to be the offending part. I looked it over real close, but see nothing with my one good eye.
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SSExi has looked like this more then as she should this year.
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Old 05-13-2011, 06:11 PM   #8
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So thats the reason behind all this is the cam?
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Old 05-13-2011, 06:35 PM   #9
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I sure hope so. Because I have replaced every other part that could cause the problems I'm having.

If you look at this scan, you can see how I have KR each time I give it a little gas, it'* there each time. And I get up to 14.9* of KR at times. 3 engines, same KR, same area, same conditions.

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I have changed the tune from my custom tune, to a intense box tune, to a stock L67 tune, to a stock L26 tune, no change. I have replaced the harmonic balancer, no change, I replaced the flex plate, no change, I replaced lifters and push rods, I have changed heads, I have used 3 different short blocks, each with it'* own set of pistons and crank. Each engine has had all new sensors. No change. Nothing on the top of the engine, supercharger and intercooler can do this, so that'* not on the list. The transmission can eat it'* self and not destroy a engine. So that leaves one last part that has been transfered from all 3 engines, and that'* the cam. I only hope the short time the engine has been run has not damaged the bearings. That'* a wait and see thing. It is possible the cam is bent, or cracked, or has been dropped. I just don't know. But it'* not going back in my engine. Once it'* back up and running, and if the problem is gone, I will know, the cam was the problem. If the problem is still there, then I'm at a total lose.
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Old 05-13-2011, 07:43 PM   #10
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Looks like a normal used cam to me. As expected, there'* a loss of luster on each lobe where it contacts the lifters, but like my stock cam, there'* no wear beyond the finish as far as I can see.

The only thing that looks off is that the spaces in between each lobe are brown. Not that I'd expect a color to induce knock, mind you.

I'm guessing it'* false knock from vibrations caused by a loose bolt, worn mount, improperly-torqued bolt, or something that nobody thinks to check.
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