Are you using the 2 piece piston ring set? I heard that there was some kind of hybrid M52/M54 Frankenstein 3 piece ring set that wears a lot less more than the factory 2 piece set.
95 E34 553i6 LS TR6060 Project
93 E34 525iA Beater with no heaterVANOS kicked in yo!
Very cool to see.
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________________________________
Nik
91' M5 3.9L Stroker
92' M5 3.8L
95' 540i6 Supercharged
95' 540i6 4.7 Stroker
95' 550i6 M70 Conversion
Awesome! Thanks for all the pics!
What did you use to "hone" the cylinders?
I used one of those 3 puck stone ones on a drill with some motor oil
Update: Was ready to install the head and was cleaning the surfaces when I noticed a CRACK from a valve seat running to a coolant jacket. Was more than a bit upset. I looked over the head quick when I received it from the machine shop, however apparently not close enough. I had the surface covered with tape to do the valves and only removed the tape in prep to install. Called around for quotes on repairs and they were in the $500-$700 range.... What are you gonna do? Sourced a loaded head from a local guy on the cheaper side and am redoing all of the cylinder head work. Had donor head pressure checked and cut and will be doing valves sometime soon. Stay tuned!
Donor head! has Aprox. 95k miles on it. Car was wreaked.
Let's start over!!
Can't blame the machine shop, I just asked for a resurface not any "extra" inspection. I mean, yes they probably SHOULD have seen it as who DOESN'T inspect the surface you just cut.... This has been a sort of bad luck build between the bent rod, cracked valve retainer and now the head being cracked. No gains without pains I suppose.
Go back and look at pics posted on first page- can you see the crack now? Looks like number 5 exhaust??
Good thing you caught it before install. Sucks either way.
Damn, Dan the Man, that sucks. I'd be a little ticked the shop didn't even mention it...but agreed that just sourcing a new M50 head is cheaper than fixing those cracks.
It was the third cylinder from front of the engine.
Im sure the guy barely looked at it. More disappointed in myself for not looking at it hard enough when I received it. Water under the bridge I guess. I am working on the "new" cylinder head as we speak.
Looks good.
Current Fleet:
E34 1991 M5 Macaoblau on Complete (ruined)Leather Champagne - http://forums.bimmerforums.com/forum....php?t=1705166
Past:
E34 1989 535i 5-Speed AlpineweissII on Natur - Parted
E34 1992 525i 5-Speed Islandgrun on Pergament - Parted
E34 1995 540i 6-Speed ShwarzII on Shwarz - Sold to Sneezy.
E34 1995 525i 5-Speed Calypso Red on Parchment - http://forums.bimmerforums.com/forum....php?t=1748143 - Sold locally.
E39 1998 528i 5-Speed Black on Black - Sold locally.
E34 1993 M5 Alpinweiss on Black - http://forums.bimmerforums.com/forum...lpinweissII-M5 - Parted
Looking good man!
"Big Red" 9/88 Build 535i/5: E.A.T. Chip, 24lb Bosch Design III, 3.46 LSD, 4x Clear corners, DINAN-style 750i muffler, Racing King Subframe Inserts, Koni/Vogtland suspension, E34 M5 swaybars, Brembo/Porterfield brakes, Turbodiesel grills, 16" Style 8 rims, Euro front plate, M5 rear filler plate.SaveSave
Thanks! Wish I had more time. It's taking me a million years to build this thing.
So it's been awhile..... I have bought and completely rebuilt 2 cars and just recently bought a Ford 6.9 diesel Flatbed.... Needless to say this thing has been neglected, but no more!!! Here is the progress so far.
Got the m50b30 close enough where the other engine had to come out.
Trans, exhaust and drive shaft to. Switching to a zf320. More on that later....
Switching over the necessary components
Shop dog Jr.
I have thing for tranniez
SO. Everyone on the internet says the zf310 and zf320 are identical in all things that matter. NOT. First off, my 310 had a forward transmission mount in the shape of a U. The 320 does not. Seems it doesnt matter but tripped me up for a little. Next, the Shift selector joint on the rear of the transmission are different lengths. Not by much but enough to throw of your shifter. 4th gear was slamming the center console. Changed the 320 joint for the 310 joint and worked perfect. I was pulling my hair out trying to find the problem and it was jus tthe little joint!
Got the engine installed to
zf320 with new clutch, t.o.b., guibo and slave.
Changed CSB and put d shaft back in.
90% complete!!
Till next time!
Last edited by S61Dan; 08-13-2018 at 08:54 PM.
It's cool that this thread popped up recently, as I've been thinking about an M50B30 build... what kind of gains can be expected from it? An S50 makes about 240hp, so with a proper tune would it be around that ballpark?
1995 525i 5-speed - Thread
1995 525i 5-speed - Thread
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