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Author Topic: JRW'S 91 318is turbo build  (Read 93764 times)

jrw21

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Re: JRW'S 91 318is turbo build
« Reply #60 on: January 29, 2014, 07:34:51 PM »
Pistons came in today!

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jrw21

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Re: JRW'S 91 318is turbo build
« Reply #61 on: January 30, 2014, 08:36:53 PM »
More parts came in!

ARP Rod bolts
ARP Main Bolts
ARP Head Bolts
Coated main bearings
Coated rod bearings

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jrw21

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Re: JRW'S 91 318is turbo build
« Reply #62 on: February 01, 2014, 07:19:38 PM »
Dropped all the engine parts off to the machine shop last night. Decided to let them do the build as I will be tied up with the chasis and... I just want it done by a pro.. I did a slight change and went back to the stock forged crank for piece of mind. This is the "final" setup that will be built (pending machine shop analysis of said parts):


Bottom End:
86.5mm Wiseco
Stock forged 81mm crank
Stock forged early model m42 140mm rods
ARP 2000 Main bolts
ARP 2000 Rod bolts
VAC coated Main Bearings
VAC coated Rod Bearings

Head:
Supertech dual valve springs, seats, and retainers  SPR-H1000D/BM, SEAT-BM50, RET-K20a2/t2
Supertech 6mm black nitride coated Intake valves BMIVN-1030S
Supertech 6mm Inconel exhaust valves BMEVI-1030S
Supertech Keepers KPR-6S-7
BMW oem 6mm valve guides
VW 48gram Lifters p/n 050 109309
Cometic MLS 86.5mm .098" gasket
ARP 2000 Head studs

« Last Edit: February 03, 2014, 01:38:11 PM by jrw21 »
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jrw21

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Re: JRW'S 91 318is turbo build
« Reply #63 on: February 01, 2014, 07:44:31 PM »
Here is how I started todays work:



This was a HUGE pita to get this far to be able to start pulling all of these wires through.




TRASH all of this is getting JUNKED. Basically these are luxury items. The only luxury item I am keeping are power windows. I couldn't begin to tell you how long it took to chase all of these wires down from start to end to verify what they were...


This is the final slim down wirings loom. Will get it cleaned up and rewrapped one of these days.


Engine bay wire free!


You can see the rust issues I will be dealing with on the floorboards and the fuel tank vent hose cover rust issues:


« Last Edit: February 02, 2014, 08:45:51 AM by jrw21 »
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romkasponka

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Re: JRW'S 91 318is turbo build
« Reply #64 on: February 02, 2014, 04:16:04 AM »
No plans for roll cage?
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E30 318is M42
E36 318is M44

benz-tech

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Re: JRW'S 91 318is turbo build
« Reply #65 on: February 02, 2014, 11:58:27 PM »
Quote from: jrw21 on February 01, 2014, 07:19:38 PM
Dropped all the engine parts off to the machine shop last night. Decided to let them do the build as I will be tied up with the chasis and... I just want it done by a pro.. I did a slight change and went back to the stock forged crank for piece of mind. This is the "final" setup that will be built (pending machine shop analysis of said parts):


Bottom End:
86.5mm Wiseco
Stock forged 81mm crank
Stock forged early model m42 140mm rods
ARP 2000 Main bolts
ARP 2000 Rod bolts
VAC coated Main Bearings
VAC coated Rod Bearings

Head:
Supertech dual valve springs, seats, and retainers
Supertech 6mm black nitride coated Intake valves
Supertech 6mm Inconel exhaust valves
BMW oem 6mm valve guides
VW 48gram Lifters p/n 050 109309
Cometic MLS 86.5mm .098" gasket
ARP 2000 Head studs
All the things I want for my engine but don't have the budget for. Nice build! 
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Pi is apparently the multiplier for your engine swap budget as well.

MrPhatBob

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Re: JRW'S 91 318is turbo build
« Reply #66 on: February 03, 2014, 09:21:34 AM »
Do you have part/model numbers for the Supertech valve train?  I've checked their stock lists and couldn't find anything that was compatible with the M42 engine.

Cheers

Rob
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jrw21

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Re: JRW'S 91 318is turbo build
« Reply #67 on: February 03, 2014, 01:27:03 PM »
Quote from: romkasponka on February 02, 2014, 04:16:04 AM
No plans for roll cage?

No plans at this time for a roll cage.

Quote from: benz-tech on February 02, 2014, 11:58:27 PM

All the things I want for my engine but don't have the budget for. Nice build! 

Thanks man!

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jrw21

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Re: JRW'S 91 318is turbo build
« Reply #68 on: February 03, 2014, 01:43:29 PM »
Quote from: MrPhatBob on February 03, 2014, 09:21:34 AM
Do you have part/model numbers for the Supertech valve train?  I've checked their stock lists and couldn't find anything that was compatible with the M42 engine.

Cheers

Rob

Rob, I updated my list with part numbers. Here is a link to supertech website http://www.supertechperformance.com/catalog?mk=1&ca=188&en=19
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jrw21

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Re: JRW'S 91 318is turbo build
« Reply #69 on: February 12, 2014, 08:24:54 PM »
Small updated as I haven't been working on the car much due to the arctic freeze sweeping through the Midwest.

Decided it would be easier to clean up the bottom of the car with a rotisserie. So, I fabbed up this:



Its not pretty but it should do the job.
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Beeker1972

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Re: JRW'S 91 318is turbo build
« Reply #70 on: February 12, 2014, 11:09:25 PM »
clean, fab, mockup, then tear it down then paint ... it looks like
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romkasponka

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Re: JRW'S 91 318is turbo build
« Reply #71 on: February 13, 2014, 05:24:21 AM »
With poor mapping you get detonation even with low compression ratio. It depends what fuel you will use and who will do mapping for you.
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E30 318is M42
E36 318is M44

jrw21

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Re: JRW'S 91 318is turbo build
« Reply #72 on: February 15, 2014, 10:26:24 PM »
Removed the inner goo:


Ok, if anyone attempts this in the future I found an easy way to do this. Unfortunately I was about 90% done when this happened. I was using a 400watt lamp to light up the area I was working in then took a small break and left the lamp on which heated up the area enough to "melt" the glue which in turn....peeled right off.
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wazzu70

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Re: JRW'S 91 318is turbo build
« Reply #73 on: February 17, 2014, 12:07:44 PM »
You can also use dry ice. Leave it on the LASD (liquid applied sound deadning) and let it freeze. It comes off nicely after that in big chunks!

I removed mine bit by bit with a chisel and a wire wheel for cleanup.
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-Nick
91 E30 M42 with VEMS

jrw21

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Re: JRW'S 91 318is turbo build
« Reply #74 on: February 27, 2014, 06:18:23 PM »
got a call from my engine builder today...says the 81mm stock crank is "junk" that the main journal is way out of tolerance.. So, by default I will be using the 83.5mm crank!

So, with that being said my compression shoots up to 10.4:1!  I have two clear choices go e85 or shave piston 1mm to get 9.5:1.
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