Watch me ruin a Z4M Coupe: build thread

[EMagnuson]

Here's some SuperSprint porn:






:bulge :

Love this build man! cant wait for the Dyno numbers!!

[mattfwalters]

Originally Posted by racerbruce

SO great!
You've gone where few could or would go....such a build; is the Bronze Beast a track-only assault vehicle....or will I have the pleasure of enjoying seeing you on Seattle streets??

It is very much not street legal anymore, so unless I move somewhere with significantly looser emissions rules than King County it will be track-only

Originally Posted by EMagnuson

:bulge :

Love this build man! cant wait for the Dyno numbers!!

Thanks dude! On that front, I have a dyno / tuning appointment in a few weeks, so we're all going to find out soon...

[Vanne]

Looks and sounds the goods Matt, I am enjoying your progress mate. Standing by for further updates.

[racerbruce]

Originally Posted by mattfwalters

It is very much not street legal anymore, so unless I move somewhere with significantly looser emissions rules than King County it will be track-only



Thanks dude! On that front, I have a dyno / tuning appointment in a few weeks, so we're all going to find out soon...

You'll have to PM me when you trailer the Bronze Beast to a local track (Pacific Raceways? Bremerton? Shelton?)....wanna see the Insane Sepang in action.

[mattfwalters]

Originally Posted by Vanne

Looks and sounds the goods Matt, I am enjoying your progress mate. Standing by for further updates.

Thank you Dyno session is scheduled for the 24th and I am moving some other projects forward in the meantime - a couple of things to do to the bronze beast to prepare it (it has developed a fuel leak at the hardline->AN adapter.. ) but otherwise progress will probably be slow for the next few weeks.

Originally Posted by racerbruce

You'll have to PM me when you trailer the Bronze Beast to a local track (Pacific Raceways? Bremerton? Shelton?)....wanna see the Insane Sepang in action.

For sure! It will definitely be a semi-regular in Shelton, I love the Ridge. You're also welcome to come by the shop any time that is mutually convenient.

[mattfwalters]

This was a looooooooong time coming:

So uneventful. Almost like it's a car. I'm so tired. Dyno today for base tune!

[86Zed]

This thing sounds MEAN. Can't wait to see and hear it moving under load.

[racerbruce]

SO awesome!
I heard you back up the Bronze Beast from Gig Harbor! (:

Have you chosen a track day yet?? Wanna make every effort to meet you there.

[Intentional Brown Stain]

Omg, the amount of awesomeness on this thread has me shitted my over and over again, and I am only on page 3!

[racerbruce]

Originally Posted by Intentional Brown Stain

Omg, the amount of awesomeness on this thread has me shitted my over and over again, and I am only on page 3!

in the Great Pacific Northwest??

[mattfwalters]

Thanks, all

We’ve spent a lot of time troubleshooting today but have the car running really well, have verified VANOS is working, and have just strapped it to the dyno. We’re going to do a base / drivability tune - I’ve got lots of work left to do - but bottom line is that the electronics are functional, we’ve got them behaving well, and the car is happy. I’ll shoot some dyno video and post later but I am currently really happy. The folks at Lowe Group Racing are fantastic and have been extremely patient with me, which is nice.

[mattfwalters]

Tired. Happy. Holy god that noise.

(which noise? the rattling clutch? the header clattering on the transmission? NO MAN THAT EXHAUST NOTE)

[racerbruce]

Originally Posted by mattfwalters

Thanks, all

We’ve spent a lot of time troubleshooting today but have the car running really well, have verified VANOS is working, and have just strapped it to the dyno. We’re going to do a base / drivability tune - I’ve got lots of work left to do - but bottom line is that the electronics are functional, we’ve got them behaving well, and the car is happy. I’ll shoot some dyno video and post later but I am currently really happy. The folks at Lowe Group Racing are fantastic and have been extremely patient with me, which is nice.

YAY!!!!
Congrats....a major milestone; can't wait to read the dyno data!

[mattfwalters]

Disappointing update: it appears that the car ate a rod bearing yesterday. While I was moving it to finally clean out the garage a bit this afternoon it developed an RPM-dependent knock. The oil from the filter has a bunch of pretty gold glitter in suspension. I think this rebuild needs a rebuild.

Fuck.

[WeekendWarriorz]

Originally Posted by mattfwalters

Disappointing update: it appears that the car ate a rod bearing yesterday. While I was moving it to finally clean out the garage a bit this afternoon it developed an RPM-dependent knock. The oil from the filter has a bunch of pretty gold glitter in suspension. I think this rebuild needs a rebuild.

Fuck.

Wow that's unfortunate man. Any reason why you think the rod went? Defective part or maybe an install error? Either way you'll be up and running eventually!

[racerbruce]

Originally Posted by mattfwalters

Disappointing update: it appears that the car ate a rod bearing yesterday. While I was moving it to finally clean out the garage a bit this afternoon it developed an RPM-dependent knock. The oil from the filter has a bunch of pretty gold glitter in suspension. I think this rebuild needs a rebuild.

Fuck.

This is not good; SO sorry to hear this; you're incredibly good at what you do and will determine the cause; we stand with you as you sort this and get the Bronze Beast healthy again.

[mattfwalters]

Originally Posted by racerbruce

This is not good; SO sorry to hear this; you're incredibly good at what you do and will determine the cause; we stand with you as you sort this and get the Bronze Beast healthy again.

Thanks man. I'm just a shadetree but I'm a careful shadetree with decent tools and unusual professional skills.

Originally Posted by WeekendWarriorz

Wow that's unfortunate man. Any reason why you think the rod went? Defective part or maybe an install error? Either way you'll be up and running eventually!

Won't know until we tear it down but I have a call in to the machine shop to start talking about what to do. I wish I'd thought to check the oil filter at LGR before putting the car back on the trailer, but them's the breaks.

We'll get it fixed and get this thing ripping again. Just need to figure out what happened.

[Michael9218]

Bummer to hear about this. Odd that it didn't start to make noise at high rpm on the dyno.

[mattfwalters]

Originally Posted by Michael9218

Bummer to hear about this. Odd that it didn't start to make noise at high rpm on the dyno.

Agreed. My working theory is that something clogged an oil passage when the oil and metal cooled down, but also the car just passed the “clunk” test on all six pistons and it doesn’t knock when I spin it on the starter so.. not sure if that means anything other than “it’s not so so bad yet”. I’ve clearanced the heat shield and transmission wart that were interfering with the headers but also found that one of the header O2 sensor bung plugs is leaking - got one of Driven’s analysis kits and am going to send a sample in to get their thoughts on what’s in the oil before we do anything else. We’ll see.

[racerbruce]

Originally Posted by mattfwalters

Agreed. My working theory is that something clogged an oil passage when the oil and metal cooled down, but also the car just passed the “clunk” test on all six pistons and it doesn’t knock when I spin it on the starter so.. not sure if that means anything other than “it’s not so so bad yet”. I’ve clearanced the heat shield and transmission wart that were interfering with the headers but also found that one of the header O2 sensor bung plugs is leaking - got one of Driven’s analysis kits and am going to send a sample in to get their thoughts on what’s in the oil before we do anything else. We’ll see.

Well done Matt -
Lab analysis will provide great insight into the type of particulate found in the oil. I just started this a yr ago and now have two samples that begin the info trend process....started late @65K miles....I change oil on annual duration and only drive appx 1,500 miles annually; the oil analysis info is very positive so far.

[racerbruce]

Greetings Matt F....ing Walters!
Whatsup?? Any updates re the internals??

[racerbruce]

Originally Posted by racerbruce

Greetings Matt F....ing Walters!
Whatsup?? Any updates re the internals??

Whatsup??