Saturn 3 Door Coupes SC1 and SC2

Hypereutectic Pistons

Old Nov 1, 2025 | 02:01 PM
  #11  
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Very nice, thank you for the update!
 
Old Nov 1, 2025 | 02:56 PM
  #12  
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I am slowly removing any salvageable parts off of the 97 SC2 donor that are good. So far hood, all the running gear thats good, front suspension, the dash, wiring harness and K Frame. Everything seems to be rust free as it is a Washington car (no salted roads). These are summer projects as the car is out in the weather.
 

Last edited by Radtek2; Nov 1, 2025 at 03:15 PM.
Old Nov 1, 2025 | 06:55 PM
  #13  
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I am building a replacement Navigator for my wife. I understand projects.
 
Old Nov 7, 2025 | 06:36 PM
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Originally Posted by derf
Oh, by the way, what you did is still on my bucket list.

I'm jealously proud of you.
Use it, move it, or damn straight, you're going to lose it
Hi Derf,
Well I finally finished the SC2 engine rebuild. Now I can scratch that off the To Do List. It took a while waiting for parts and waiting for my parts to want to go out to the shop and get it done. I did notice an oddity in the cam covers. The engine itself came from my 98 SC2. I ordered a complete rebuilt head 2 years ago from an outfit I have used before when I had to repair my daughter in-law's 2004 Saturn Ion. So I was went to put the cam cover from the 98 on the head to protect it as I plan on using the aluminum one off the 97 donor engine that is in the running in the 98. I saw the rebuilt head has 2 bolt holes on the intake side and the 98 has 3 on that same side to bolt the cam cover on. So evidently the rebuilt head is 97 or older which fine everything else is the same. But for a second or 2 I sort of worried about what else might be different but there wasn't.
So next on my ToDo list is put a limited slip pumpkin in the MP3 I picked up some time ago. This ought to be interesting and I'm sure I will be scratching my head as I have never been inside a transaxle especially a Saturn one.
That's all I have
Radtek2



 

Last edited by Radtek2; Nov 7, 2025 at 06:41 PM.
Old Nov 8, 2025 | 08:48 AM
  #15  
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The engine looks great. Have you double checked the timing to make sure it's dead set on TDC and the marks all line up? I always did two full rotations before putting the cover on, just to make sure.
 
Old Nov 8, 2025 | 10:50 AM
  #16  
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Originally Posted by Rubehayseed
The engine looks great. Have you double checked the timing to make sure it's dead set on TDC and the marks all line up? I always did two full rotations before putting the cover on, just to make sure.
Yes I did and everything checked out spot on. I won't be able to put it in the 98 SC2 until next summer and like I said earlier the 2002 MP3 transaxle has to be tore down so I can put in the LS Diff. in it. I have learned that the ring gear is riveted to the carrier. I may need to take that to a machine shop and have the rivets tops machined off and their shanks pressed out. I might be over my head with that LSD install but i used to tear down and repair manual trannys and regular differentials just not combos. In fact I had to replace the carrier in my old Chevy farm truck couple years ago. I will cross that bridge later this coming year.


.
 
Old Nov 8, 2025 | 08:07 PM
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That limited slip will be lots of fun in your car. I just purchased a used Eaton Truetrac for my 2wd Navigator rear end, that will really help it get around.
 
Old Nov 9, 2025 | 12:05 PM
  #18  
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Originally Posted by 02 LW300
That limited slip will be lots of fun in your car. I just purchased a used Eaton Truetrac for my 2wd Navigator rear end, that will really help it get around.
I have heard good things about the unit being put in these Saturns. Also I won't have to be so gentle with it and constantly thinking about a Diff Pin launch.
 
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