Author Topic: And so it begins... (another M42 build) (Read 34763 times)

bwawuz02 · « **on:** October 10, 2009, 08:37:18 PM »

Today I finished tearing down the 5/95 build date M42 that I picked up last week. GOOD NEWS! It already has the lighter connecting rods and piston oil squirters of the M44.

kevins08 · « **Reply #1 on:** October 11, 2009, 10:26:44 PM »

im running 8.5:1 with a holset HY35. will be running about 20psi and conservativly hoping for 300 at the wheels. should be running by spring if all goes according to schedule!

Blip Bavarian · « **Reply #2 on:** October 12, 2009, 02:32:40 PM »

Awesome. I cant wait to see what you put together. whats your whp goal?

bwawuz02 · « **Reply #3 on:** October 12, 2009, 04:21:32 PM »

back from the depths...

Parts gathered so far:
M44 +0.50 Maxsil Pistons from Bavarian Recyclers (eBay): $400
M44 Crank: $100
VW Lifters: $230
MM Valve Springs/Retainers/Guides: $710 ($50 of this was renting their spring compressor)
MM Single Row Chain: $240
ARP Head Studs: $195
ARP main studs: $90

M20 13lb flywheel w/new clutch, 323i TOB, and shorter bolts: $300
4 hole (type 3) 19lb Mustang Injectors: $40 (going to push these with a PnP M50 3.5BAR/50psi FPR)
MarkD chip: $185
COP Kit: $150

VAC quoted me $850 for the CatCams I want, waiting to purchase...

I need to get to the machine shop(s) asap, prolly gonna take next monday off

bwawuz02 · « **Reply #4 on:** July 19, 2011, 08:31:06 PM »

dude8383 · « **Reply #5 on:** July 19, 2011, 11:13:23 PM »

Nice progress right there! Making a mini stroker ey?

Nelson_40 · « **Reply #6 on:** July 19, 2011, 11:29:15 PM »

Not to detract from the awesomeness of the engine build (nice pics BTW), but I really dig that pinstripe with the black & white color scheme!!

bwawuz02 · « **Reply #7 on:** July 19, 2011, 11:46:14 PM »

Quote from: dude8383;105509

Nice progress right there! Making a mini stroker ey?

with a focus on lightening the rotating mass' inertia. hoping to pick up S50 throttles to finish her off with a redline around 7,5-7,8rpm

dude8383 · « **Reply #8 on:** July 20, 2011, 02:26:19 PM »

Quote from: bwawuz02;105515

with a focus on lightening the rotating mass' inertia. hoping to pick up S50 throttles to finish her off with a redline around 7,5-7,8rpm

NOW we're talkin!!! I want to get ITB's for my m50 but don't know if it'll be worth it power wise. I've yet to see any numbers for the gains...

bwawuz02 · « **Reply #9 on:** July 20, 2011, 09:09:32 PM »

Quote from: bwawuz02

I'm working with Kevin Johnson on getting the M44 crank scraper made up too.

I should be getting the template in the mail soon to make the final touches and send it back to them for production. If you check their site he already updated it to offer the M44 scraper as well: http://www.crank-scrapers.com/bmw_m42.html

bwawuz02 · « **Reply #10 on:** July 21, 2011, 08:08:06 PM »

teasers...

The M44 pistons i got are noticeably lighter than the stockers, wish I had a small digi-scale. You can kinda see in the background that they come with tapered wall wrist pins too

I will be dropping the head, rotating assembly, and block at the machine shop on monday. I ordered ARP main studs today p/n 201-5001, only a couple dollars more than stock main bolts on amazon. Once I get good specs from the machinist i'll be ordering bearings and putting stuff together.

bwawuz02 · « **Reply #11 on:** July 25, 2011, 03:44:17 PM »

Just dropped the bottom end at rebello racing in Antioch. Head is getting cleaned up in Sacramento.

benz-tech · « **Reply #12 on:** July 27, 2011, 11:13:44 PM »

just curious, where are you having the head done?

bwawuz02 · « **Reply #13 on:** July 27, 2011, 11:42:53 PM »

Sacramento Cylinder Head
http://www.cylinderheadsonline.com
picking it up tomorrow or friday, just had them swap the valve guides and deck the mating surface.

Warsteiner · « **Reply #14 on:** July 28, 2011, 06:46:47 AM »

Great looking build so far. Do the old and new piston match up height-wise when you install the pin in both to compare them side by side because from the picture they are at different heights? Did you send your timing cover along with your head to be resurfaced?

Cheers,
~Ralph