I just spent a good hour looking through this thread, and wow, you sir have done one hell of a job. Your dedication to the car, and doing things right is just incredible. Keep it up, can't wait to see the car all button'd up and purring with S38 power!
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ttrousdell's Project Thread (E30 M3 & S38 swap content)
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Originally posted by mammoth_e30 View PostAwesome build! You mentioned a rebuild manual or something to that affect where you got tolerance info etc. Where did you come across that? Thanks
I welded the tabs to hold the coolant bottle the other day. I'm happy with this position. Warmed her up and began to bleed. After She came up to temp and it seemed like the engine was bleed, I decided to take her out for the first break in run.
Unfortunately after making it around the block the engine sounded like death. Backfiring and no power. Pulled the spark plugs which I just bought today. You can see a pattern, where they are the same in pairs. I am guessing it is because the 3 pairs of throttles aren't sync to each other. I also think the injectors could use rebuilding. They were very nasty when I got them and I regretted not having them sent out and flow tested. The tops of piston 1 and 2 were wet with fuel.
The AFPR was set to the stock 3 bar.
Some recent pics...
Last edited by ttrousdell; 06-22-2013, 05:30 PM.
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I always give advice after it would have done you good...
If an injector is screwed up and sticks open, the extreme amount of excess fuel can wash the oil off your cylinder walls and require a re-hone (which means new pistons, possibly new rings and of course a teardown and rebuild).
Given that possibility, scrimping on having injectors cleaned/tested doesn't make any sense.
I use https://www.injector.com/ mostly because my machinist recommended them. He'll clean and flow test your injectors, and send back a matched set.
Caution: He has no problem telling you your injectors are junk. On the plus side, he only charges for the flow-matched sets he delivers. If you send him 9 or 10 injectors, he'll flow test all of them, but you'll only pay for the 6 that match best (within 2% is his requirement). He will then install new screens, caps, etc. on those 6.
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Ah again thanks for the advice. I was planning on sending them out to VAC. $140 for the cleaning. http://www.vacmotorsports.com/catalo...6-cylinder.htm How long should the rail hold pressure after the pump is shut off? Mine slowly lost pressure after about 30-60 minutes.
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Should hold for hours...
Can you hold the throttles open when you prime the rail so that you can see if any of your injectors are leaking? Maybe use a dye leak test kit?
Although if it holds pressure that long, that's a very slow leak. It would drop immediately if you had an injector stuck open.
How's your intake air temp sensor doing?
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The s38 looks sweet in a black e30. Very nice job.:up:Projects Hartge,Alpina & AC Schnitzer Builds.http://www.r3vlimited.com/board/showthread.php?t=280601
http://www.r3vlimited.com/board/showthread.php?t=227993
http://www.r3vlimited.com/board/showthread.php?t=289362
DSC04926 by Raul Salinas, on FlickrDSC03413 by Raul Salinas, on Flickr
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Originally posted by The Dark Side of Will View PostShould hold for hours...
Can you hold the throttles open when you prime the rail so that you can see if any of your injectors are leaking? Maybe use a dye leak test kit?
Although if it holds pressure that long, that's a very slow leak. It would drop immediately if you had an injector stuck open.
How's your intake air temp sensor doing?
I tested the resistance of the intake air sensor. At about 80F I read 1.84kΩ and as I held the sensor in my hand and warmed it up, the resistance dropped to about 1.6KΩ. I'm not sure what the resistance should be for a given temp but since it does change I assume it works.
Originally posted by e30m3s54turbo View PostThe s38 looks sweet in a black e30. Very nice job.:up:
Originally posted by Iain View PostAwesome thread, bloke.
Props to you for digging in and teaching yourself how to work on it, too. There should be more of that, rather than all the bolt-on jockeys!
Originally posted by eduTechnic View PostI have learned so much just reading this. Thanks for making it somewhat explanatory. I'm sure you're solidifying what you've learned just putting it to words. Beautiful build.
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Originally posted by driftingminor913 View PostMan nice build, I'm itching to hear what the power n torque does to ya. How much of a night n day difference it is from the M20
http://www.youtube.com/watch?v=Uq9e8QFBWfY1989 325i Lachssilber Sedan
5-Speed Swapped
M30B35 Swapped
MegaSquirt MS3X
1987 325i Lachssilber Sedan
260k OEM Automatic Daily Baby
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Crazy build. I followed up to the point of those amazing slammed pics with the RC090's, then stopped looking for updates. Yesterday I noticed your sig now says 336i, and I had to see it. Awesome!Originally posted by priapismMy girl don't know shit, but she bakes a mean cupcake.Originally posted by shamesonUsually it's best not to know how much money you have into your e30
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