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Old 06-16-2008, 12:40 PM   #1
Aveman
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Project S14 rebuild for my new E30 M3

Here are some pictures of my S14 rebuild. I bought the car with a spun bearing and am doing a top to bottom rebuild on the motor. I decided to save the 2.3L crank as to make a 2.5L stroker kit work you need too many supporting mods to make it worth it.

Here is the block back from the machine shop, it was tanked with new frost plugs installed with loctite. It was also honed.






I got a new rod for the cyl that spun just to be safe, I also had all of them line honed. They tanked all the pistons for me.



Got the fly wheel machined with a new OEM Sachs clutch.



Here is the top part of the head all cleaned up.






Here is the cylinder head, got all the valve seats done.


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Old 06-16-2008, 12:40 PM   #2
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It's pretty neat how nice the factory intake ports are.



All the valves



The crankshaft, it was put straight and they repaired the number two rod journal. It's standard on the main and rods now, the damaged journal was chromed, you can weld and grind back to standard and heat treat but you risk warping the crank pretty bad. They opted to chrome the journal which avoids any warping that would require the mains to be grinded and to ensure you get the same hardness as if it was heat treated.



Here is the journal



I'll update this as I go along.

Last edited by Aveman; 06-16-2008 at 12:44 PM.
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Old 06-16-2008, 04:13 PM   #3
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Very nice. Rebuilds with squeaky clean parts are awsome, can't wait to see more!
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Old 06-16-2008, 05:23 PM   #4
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Looking good! Just wondering, what valve springs will you be using?
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Old 06-16-2008, 06:14 PM   #5
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very nice, but you must be rich, rebuilding a S14 cost a pretty penny.
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Old 06-16-2008, 06:19 PM   #6
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Awesome dude, and it was nice meeting you.
Keep up the good work.
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Old 06-16-2008, 06:19 PM   #7
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Quote:
Originally Posted by jello_g View Post
Looking good! Just wondering, what valve springs will you be using?
Just the stockers for now, I plan to eventually upgrade to some Schrick 284/276 cams and will upgrade the springs at the same time. For now I don't even know how a stock S14 pulls, never driven an E30 M3 lol.

Have you ever driven a stock E30 M3 to compare to your 2.6?
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Old 06-16-2008, 10:00 PM   #8
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Quote:
Originally Posted by Aveman View Post
Just the stockers for now, I plan to eventually upgrade to some Schrick 284/276 cams and will upgrade the springs at the same time. For now I don't even know how a stock S14 pulls, never driven an E30 M3 lol.

Have you ever driven a stock E30 M3 to compare to your 2.6?
Why not just change the springs now? It will save you taking the head off again down the road if you want to put in those Schrick cams.
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Old 06-16-2008, 10:07 PM   #9
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Originally Posted by Aveman View Post
Just the stockers for now, I plan to eventually upgrade to some Schrick 284/276 cams and will upgrade the springs at the same time.
Okay, that makes sense, as long as there's still life in the stock springs. I believe they are good for 100k?

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... For now I don't even know how a stock S14 pulls, never driven an E30 M3 lol.

Have you ever driven a stock E30 M3 to compare to your 2.6?
Haven't driven a stocker in many years. I don't remember the experience, probably because it wasn't remarkable. The 2.6 is fun to drive, but then I have a full Dinan suspension that can handle the extra performance. If you've never driven a stocker, there is a chance you may not fully appreciate the extra power a 2.5 build provides.
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Old 06-16-2008, 11:53 PM   #10
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very nice, but you must be rich, rebuilding a S14 cost a pretty penny.
It's definetly not cheap, I've been taking my time shopping for the best deals on parts, the most expensive stuff is the timing rails etc.
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Old 06-16-2008, 11:55 PM   #11
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Awesome dude, and it was nice meeting you.
Keep up the good work.
Thanks man, so that was you. Nice to meet you too. The other car is just about done, I'm going to post some updates in the paint thread I started.
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Old 06-16-2008, 11:57 PM   #12
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Why not just change the springs now? It will save you taking the head off again down the road if you want to put in those Schrick cams.
Yeah, I may end up doing them now not sure. It's a lot of work to get to them with the head on so I may work that into the budget.

Last edited by Aveman; 06-17-2008 at 12:03 AM.
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Old 06-17-2008, 12:15 AM   #13
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Okay, that makes sense, as long as there's still life in the stock springs. I believe they are good for 100k?


Haven't driven a stocker in many years. I don't remember the experience, probably because it wasn't remarkable. The 2.6 is fun to drive, but then I have a full Dinan suspension that can handle the extra performance. If you've never driven a stocker, there is a chance you may not fully appreciate the extra power a 2.5 build provides.
Around 125-150K miles for a stock motor on the springs I've heard before you should worry.

Turner has upgraded valve springs for $367 a set.
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Old 06-17-2008, 12:41 AM   #14
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Very impressive! I already like direction your whole M3 build is going.

for doing it right.
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Old 06-17-2008, 02:18 PM   #15
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very nice, but you must be rich, rebuilding a S14 cost a pretty penny.
Its sad really cause he had to sell his car and complete turbo setup in order to rebuild the S14, but well worth it IMO
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