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Old 10-30-2009, 11:18 PM   #1
kjtyo4
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2000 SL
Default Engine rebuild

Hi all I have a 2000 sat SL that is a single over cam. Im looking into rebuilding the engine do to a knocking noise middle of engine somwhere seams to be getting lowder as the time gose on. it also has a bad oil leak in the back of the engine some where. replaced the intake manifold gasket. but my question is
would rebuild using steel forged parts good parts, would the oem block handle
them preformance intake possably a turbo. if not could anyone recomend a block for this that would fit and a place to get it also a good place to find preformance parts. also I ame going to put preformance clutch system on it as well.

One more question is that when engaging and disgaging the clutch thes a rattle
in it like somthings loose. only dose it when the for example when the two halfs of the clutch seperate then go back together like a strut rattle bit in the clutching system best I can decribe it. was wonder if any knew what this was its been doing it for a while.
thankyou
kjtyo
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Old 10-31-2009, 02:13 AM   #2
rc1488
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Default Re: Engine rebuild

Its not worth it to turbo a SOHC engine. You'll get just as much HP from a DOHC.

Rebuild it with stock parts and enjoy the nice high mpg.
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Old 10-31-2009, 11:15 AM   #3
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Default Re: Engine rebuild

RC just gave you the best advice you can get, lol. A SOHC motor is a terd, and a SOHC motor with a turbo is just a terd with a turbo. I like the mileage I get out of my SOHC, but they are slow no matter what you do to them. The rattle you are hearing when you press or release the clutch is probably the throw out bearing beginning to go bad. Rebuild the motor, put a LUK clutch kit in it, and have your flywheel ground. Drill oil drain back holes in the piston oil control ring lands.
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Old 10-31-2009, 02:29 PM   #4
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Default Re: Engine rebuild

ok I will thankyou.
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Old 11-03-2009, 02:49 PM   #5
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Happy Re: Engine rebuild

I got thinking about it the other day I am going to buy and rebuild a dohc.
Buy it rebuild it from the block up then when I'm done I can just swap the two I should be able to just get one out of another 2000 Saturn Is there any other years I could use. Anything I would have to change.

I got reading about the Dohc and its more sportier and would do better with a few mods. I just don't understand what the second cam dose. I know it gives it more power but other than that I don't know.

Also would that fix the problem with the rpms not dropping as fast as they should with the swap? My Sohc it takes longer than a normal car that has a
standard tranny for the rps to drop during shifts. I was told that was because how the computer was programed is this true? Ive seen other Saturn's with the Dohc like on you tube and for real that the rpms drop fast like it should.

Well I won't let my Saturn die. Saturn will die hard and I mean Hard!!

Kenneth Tidd
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Old 11-03-2009, 02:56 PM   #6
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Default Re: Engine rebuild

You'll also need the right DOHC PCM and instrument cluster.
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Old 11-03-2009, 02:58 PM   #7
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Default Re: Engine rebuild

Quote:
Originally Posted by kjtyo4 View Post
I got reading about the Dohc and its more sportier and would do better with a few mods. I just don't understand what the second cam dose. I know it gives it more power but other than that I don't know.
Mechanically it moves 1/2 the valve actuating parts to a separate camshaft. Also allows for 2x the number of valves, hence the SOHC 8v and DOHC 16v. This leads to better flow in and out and better/more flow = more power. Rather simplistic explanation but I believe it works.

Might be in the programming of the PCM. All I know is the RPM's drop real fast when I let out the clutch in too high a gear... lol
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Old 11-03-2009, 03:04 PM   #8
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Happy Re: Engine rebuild

Thanks for the cam info. I understand know. I also put a pic of the car on my pics. Thank you

Kenny
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Old 11-03-2009, 03:07 PM   #9
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Happy Re: Engine rebuild

Could I use the pcm from that I get the Dohc engine from?
And the Spedo cluster as well?
Kenneth Tidd
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Old 11-03-2009, 03:15 PM   #10
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Default Re: Engine rebuild

Quote:
Originally Posted by kjtyo4 View Post
Could I use the pcm from that I get the Dohc engine from?
And the Spedo cluster as well?
Kenneth Tidd
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Old 11-03-2009, 03:28 PM   #11
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Default Re: Engine rebuild

Ok thanks for the info
Kenneth Tidd.
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