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Intake and Cam Cover Refresh questions

 
Old 05-27-2018, 03:17 PM
  #196  
Captain_Slow
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Deciding to make it pretty was my big mistake. This may serve an important purpose - preventing me from spending more good money after bad. I am trying to focus on the real reasons for and benefits of an intake refresh (but it may be awhile before I'm ready to open the hood in public - depends, so far this is kinda like the Hawaiian eruption. It's not finished...a slow motion disaster). If I do decide to drive until I have plenty of time in retirement I'll likely not powder coat. I actually like the look of paint better (Oleman thread). Powder coating looks like what it is - a plastic coating. Looks good, but not like paint. I'd strip and paint the parts myself. I have painted other vehicles and always liked how good the results looked for how little expense I had in it - and the knowledge that I could make it that good again or better if I wanted to. Something that lives under the hood is well suited to this approach.

Last edited by Captain_Slow; 05-27-2018 at 03:36 PM.
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Old 05-27-2018, 03:39 PM
  #197  
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Dang, Jon! I am SOOO SORRY. I am fighting with every element of my Refresh at the moment and understand the time away from family, etc...

I hope I've got the dexterity to get this wrapped up in the next 24 hours or so as I'm trying to get it right for SITM. Hang in there!!!!
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Old 05-27-2018, 03:54 PM
  #198  
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Wow....that is unfortunate. I'm currently giving my freshly powder-coated intake parts some serious side-eye, but so far they don't exhibit this.

I wonder how far it will go, before it stabilizes? Tbh, it doesn't really look bad to me, had you told me that was some sort of custom finish I would have believed you. My suggestion would be put it aside for a few days, then go after the coating place for a refund and see if you can get them to pay for any other stuff that would need to be done to redo it. Maybe they could at least blast the old coating off? Or, leave it as is, put it back together and drive it, which is the whole point anyway. Like was said above, it looks miles better than the old peeling finish, you can tell everyone what happened as a warning, or tell them it's a new custom finish you're trying out. Choices!
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Old 05-27-2018, 04:02 PM
  #199  
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Thats a bummer might be the wrong coating for the magnesium or the intake still had chemicals in it prior to the new coating being applied, Hard to tell
This is a do over IMHO, and good practice ....
I would find another PC shop.

at this point its just time and labor,
I had one of my intakes turn pink because we had them paint the letters on the intake with red PC,
then they coated with silver, and cured it.
everything was going great,
then the final clear was applied,
this pulled the red out while it was being cured
When putting on the side plenum covers it was clear as day the center was pink.

So from now on no more colors on the intake just silver and clear. no issues to date my PC outfit is Bonehead PC.
Goodluck on your project
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Old 05-27-2018, 07:52 PM
  #200  
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Thanks all for your condolences and suggestions. I'm going to finish putting it back together and drive it. I'll try to get a refund. The amount of time this job requires is too much while I'm still working and with two young boys. My wife told a neighbor "I wish I was Porsche or a gadget" Funny...but I got the message.

Thanks again for the help many have provided along the way.

Last edited by Captain_Slow; 05-28-2018 at 07:35 AM. Reason: Encouraging response from the shop.
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Old 05-27-2018, 10:49 PM
  #201  
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Default Your intake refresh lessons learned post is extremely helpful

Chart - I went with your advice...Then when I got back to work this afternoon and pulling up a great thread I found a few months ago to help with the TPS and fuel jumper for leak testing I discover it is YOUR post. I just followed your method for installing the TPS and adjusting it. Easy peasy.

https://rennlist.com/forums/928-foru...v-harness.html


Originally Posted by chart928s4 View Post
That is a bummer and very disappointing. But look on the bright side: It's actually huge improvement in appearance from the original peely mess, and it's fully functional. The car is going to run beautifully with all the new work and a little paint problem won't bother it at all. My advice would be (after documenting the failure throoughly) to put everything back on the car and drive it around. When you have time and $, use your new intake removal/assembly skills to take it off, re-refinish it, and reinstall it.

Throttle-to-intake and cam cover gaskets are probably the only non-reusable parts. Both are cheap. You can mask or replace the bearing. Powder coat comes off with methylene chloride for $10/gallon.

Since misery loves company, maybe it is some comfort to know there is at least one other, ah, disappointing intake story that is still underway. When that story is concluded it might be a Rennlist post with the good, bad, and ugly included, and it might be helpful for your rework.

Intake manifolds are just simple plumbing parts that don't move so they really shouldn't cause any problems.

Yeah, right.
.
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Old 05-28-2018, 12:32 AM
  #202  
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Originally Posted by Captain_Slow View Post
Many of you already know what this means.
Ok. That sucks. Just take a step back and a deep breath.

$h1+ happens. Just ask chart928s4. (He'll either tell or not.)

We have his motor out and have run into issue after issue.

What matters when $h1+ happens is how you respond to it.

I won't be proudly popping the hood open to show this off.
Just tell'em it's wrinkle coat powder.

I am trying to focus on the real reasons for and benefits of an intake refresh
Right. Car should run better. No more oil leak everywhere.

This could be a hobby killer for me. I have shallow pockets and they are empty.
Nah. Your 928 is still your 928. Give it a few weeks.

Come'on up to Camp 928. There will be plenty of stories to go around.
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Old 05-28-2018, 01:05 AM
  #203  
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Originally Posted by worf928 View Post
Ok. That sucks. Just take a step back and a deep breath.

$h1+ happens. Just ask chart928s4. (He'll either tell or not.)

We have his motor out and have run into issue after issue.

What matters when $h1+ happens is how you respond to it.


Just tell'em it's wrinkle coat powder.


Right. Car should run better. No more oil leak everywhere.


Nah. Your 928 is still your 928. Give it a few weeks.

Come'on up to Camp 928. There will be plenty of stories to go around.

Everything that worf said!

Jon, step back and breathe a bit. It will be OK. Your intake does not look horrible, and will function just fine. Anyone who knows anything about 928's will understand that your engine shows your have done a top end refresh. Which matters.
Things go wrong, and you move on. Your 928 is still wicked bitchin' and you will still enjoy driving it. Should enjoy more as it will run better.
As you said, deal with the powder coating in the future.
GO TO CAMP 928!!! Spend time with fellow 928 nut jobs and get your enthusiasm back. You have cracked powder coating, not a ruined 928.
Keep on keepin' on!
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Old 05-28-2018, 08:14 AM
  #204  
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Dave & Seth - Awesome support guys. By late afternoon yesterday I'd decided to finish the job and talk to the shop about a refund. I resumed work on the throttle body - bearings went in fine, bearing seals stayed in place while installing the butterfly shaft, installed the butterfly with new stainless screws and blue Loctite, and got as far as installing the TPS (nice to hear the "click click" when the butterfly just starts to open). Then checked my email and there was a very encouraging response from the PC shop owner. The owner acknowledged the problem right away, says he will work on the refund and I should expect an email from him after the holiday weekend. I'm impressed with the owners response and anticipate a reasonable and acceptable outcome.

I still plan to attend Camp 928. Early yesterday it didn't look like my 928 would make it. I'd lost motivation and I thought I'd have to wait and lose valuable time while deciding (and negotiating) what to do about the PC mess. I still might arrive to Camp 928 in my 928. Back to work...
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Old 05-28-2018, 08:17 AM
  #205  
Bertrand Daoust
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I know how you feel after all the time and effort that you spent on this.

Unfortunately, things like that can happen when working on projects like this.
And many others...

+1 to what Chart and Dave said.

Put everything back and drive the car.
It will drive better than before for sure.

And if you want, nothing holding you to have everything redone when you'll have the time.
Way easier the second time. Don't ask me how I know...

And maybe you'll get to like the look with the time.
It's different but I quite like it!

Put everything back together and come to Camp 928.
Hope to see you there with your car my friend.

Keep up the good work.
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Old 05-28-2018, 08:54 AM
  #206  
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Yes, could be worse. Imagine if a dashboard crack suddenly appeared! Imagine forgetting to tighten something under the intake. Imagine having a mysterious vibration....

You've been a professional Adventurer, so you have the advantage on the rest of us.
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Old 05-28-2018, 03:17 PM
  #207  
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Default Bertrand's vinyl decals are so brilliant you can't even see the intake

Only half joking...from 5 feet away under scattered light - it looks like this. The decals are a nice distraction. I first noticed the cracks while wearing a headlamp. Direct sunlight and a camera flash make the cracks highly visible. Just have to open the hood in the shade or cloudy days It's bad and should be redone...but I don't have it in me right now.

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Old 05-28-2018, 04:20 PM
  #208  
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Pop the hood and put up a "NO FLASH PHOTOGRAPHY" sign

Honestly, at least in that photo, it looks great to me...

Originally Posted by Captain_Slow View Post
Only half joking...from 5 feet away under scattered light - it looks like this. The decals are a nice distraction. I first noticed the cracks while wearing a headlamp. Direct sunlight and a camera flash make the cracks highly visible. Just have to open the hood in the shade or cloudy days It's bad and should be redone...but I don't have it in me right now.

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Old 05-28-2018, 08:00 PM
  #209  
Bertrand Daoust
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Originally Posted by bureau13 View Post
Honestly, at least in that photo, it looks great to me...
+1.

Even though it is not the finish that it was suppose to be, I'm sure it will look very good.
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Old 05-28-2018, 08:07 PM
  #210  
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Originally Posted by bureau13 View Post
Pop the hood and put up a "NO FLASH PHOTOGRAPHY" sign

Honestly, at least in that photo, it looks great to me...
Originally Posted by Bertrand Daoust View Post
+1.

Even though it is not the finish that it was suppose to be, I'm sure it will look very good.
You do realize that even flawed, it looks better than 90%+ of the other 928s out there, don't you?

I understand that it will likely deteriorate, and end up looking 'not as nice' as it does now.

It will still look better than 75%+ of the other 928s out there.
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