Notices
928 Forum 1978-1995
Sponsored by:
Sponsored by: 928 Specialists

Supercharged '91 GT Refresh

Thread Tools
 
Search this Thread
 
Old 01-20-2014, 03:14 PM
  #226  
Imo000
Captain Obvious
Super User
 
Imo000's Avatar
 
Join Date: Aug 2003
Location: Cambridge, Ontario, Canada
Posts: 22,846
Received 338 Likes on 244 Posts
Default

I've used the right stuff before when I had turbo cars in the 90's. Excellent product, holds up to extreme heat but very though to take it apart, as you found out.
Old 01-20-2014, 03:15 PM
  #227  
Imo000
Captain Obvious
Super User
 
Imo000's Avatar
 
Join Date: Aug 2003
Location: Cambridge, Ontario, Canada
Posts: 22,846
Received 338 Likes on 244 Posts
Default

That leak on the IC is very odd. Any sign of something being shot through the compressor, punching a hole in the IC?
Old 11-08-2014, 06:25 PM
  #228  
AO
Supercharged
Rennlist Member
Thread Starter
 
AO's Avatar
 
Join Date: May 2002
Location: Back in Michigan - Full time!
Posts: 18,925
Likes: 0
Received 60 Likes on 34 Posts
Default

Well let's see. It's been about 11 months and I;ve done a whole lot of nothing.

I did get the heads refreshed. New valve guides and valve job. I also re-assembled the valves.

Next up is to re-install the pistons with new rings... oh yeah, that reminds me, I did the Goodson paste treatment to the cylinder walls. Looks better. Hopefully it is.

Still need to figure out what to do about the ICer, if anything. Right now I'm thinking about putting the stock intake on and run it that way for a while. I need to get it back together so I can bring the race car in for work. Taking the first week of December off. Hopefully I'll get some **** done then.
Old 11-30-2014, 06:18 PM
  #229  
AO
Supercharged
Rennlist Member
Thread Starter
 
AO's Avatar
 
Join Date: May 2002
Location: Back in Michigan - Full time!
Posts: 18,925
Likes: 0
Received 60 Likes on 34 Posts
Default

Heads installed yesterday. Passenger cams in. Driver side in process.

SLowly chipping away. Little by little. It will run again.
Old 12-02-2014, 12:30 AM
  #230  
AO
Supercharged
Rennlist Member
Thread Starter
 
AO's Avatar
 
Join Date: May 2002
Location: Back in Michigan - Full time!
Posts: 18,925
Likes: 0
Received 60 Likes on 34 Posts
Default

Made some more progress today...





Old 12-02-2014, 09:55 AM
  #231  
Mrmerlin
Team Owner
 
Mrmerlin's Avatar
 
Join Date: May 2004
Location: Philly PA
Posts: 28,262
Received 2,446 Likes on 1,373 Posts
Default

its amazing how many pieces it takes to build one of these engines.
Looks good Andrew, nice clean shop/garage as well.
Old 12-02-2014, 10:59 AM
  #232  
Strosek Ultra
Rennlist Member
 
Strosek Ultra's Avatar
 
Join Date: Feb 2011
Location: Mostly in my workshop located in Sweden.
Posts: 2,230
Received 463 Likes on 248 Posts
Default

Originally Posted by AO
Thanks guys for all your commentary and input. I will be looking at the mains. I've never done that before, so I will be asking for guidance when I get there.

Yesterday I made my valve spring compressor tool and took the keepers out of one of the heads. Today I should finish the other head.

I made mine by following this thread from 2006 (wow 8 years ago) where Konig928 and Tony talked about their home made too. Mine cost me a whopping $3.28 for a 4' length of 1" PVC and a PVC T piece. I had some scrap 2x4s and copper pipe laying around. The black pipe is from a pipe clamp I made many years ago. With about an hour of monkeying around to get the fit right... I had a pretty descent valve spring compressor.



This is a good looking tool but when you are going to put the valves back, the spring compressor need to be locked in the right position or it will be quite difficult putting the keepers back in place.
Åke
Old 12-02-2014, 05:55 PM
  #233  
SwayBar
Race Car
 
SwayBar's Avatar
 
Join Date: Feb 2006
Location: Chicago Bears
Posts: 3,518
Received 317 Likes on 217 Posts
Default

Originally Posted by AO
Made some more progress today...
Looking good Andrew!

Did you replace the front and rear crank seals? Now's the time if you haven't.
Old 12-02-2014, 10:37 PM
  #234  
AO
Supercharged
Rennlist Member
Thread Starter
 
AO's Avatar
 
Join Date: May 2002
Location: Back in Michigan - Full time!
Posts: 18,925
Likes: 0
Received 60 Likes on 34 Posts
Default

Front seal was replaced not long ago (2 or three years ago) and doesn't leak, so it's staying. But the rear seal does leak, so it will get replaced soon.

Got the tensioner, belt, oil pan and covers on today. Will probably take the belt back off once more to run some oil through the system using the drill method.



Old 12-02-2014, 10:44 PM
  #235  
AO
Supercharged
Rennlist Member
Thread Starter
 
AO's Avatar
 
Join Date: May 2002
Location: Back in Michigan - Full time!
Posts: 18,925
Likes: 0
Received 60 Likes on 34 Posts
Default

Originally Posted by Strosek Ultra
This is a good looking tool but when you are going to put the valves back, the spring compressor need to be locked in the right position or it will be quite difficult putting the keepers back in place.
Åke
I was able to hold the PVC in place with my hand while I used my forearm to compress the spring. This allowed me to get enough compression to drop the keepers in with my free hand.

If anyone ever is trying this, I modified (bent) a screwdriver to get the keepers in. Put a little dab of grease on the valve stem and then a dab on the screwdriver. When you compress the spring enough, slip the keeper in. The first one took me at least 5 or maybe 10 minutes to do. The last one took 30 seconds.
Old 12-06-2014, 02:40 AM
  #236  
Bmw635
Rennlist Member
 
Bmw635's Avatar
 
Join Date: May 2014
Location: Orange County, CA.
Posts: 260
Received 0 Likes on 0 Posts
Default

Originally Posted by AO

Sorry to hijack- I have an oil leak around the Pktensioner. Do you think it's leaking through the gasket or from the oil bolt hole? I put sealant onto the bolt that goes into the right of the three bolt triangle- correct bolt hole?

Thanks for the threads as I might pull the motor to refresh if I plan to install SC some day. Thanks.
Old 12-06-2014, 07:03 PM
  #237  
AO
Supercharged
Rennlist Member
Thread Starter
 
AO's Avatar
 
Join Date: May 2002
Location: Back in Michigan - Full time!
Posts: 18,925
Likes: 0
Received 60 Likes on 34 Posts
Default

Originally Posted by Strosek Ultra
This is a good looking tool but when you are going to put the valves back, the spring compressor need to be locked in the right position or it will be quite difficult putting the keepers back in place.
Åke
Originally Posted by Bmw635
Sorry to hijack- I have an oil leak around the Pktensioner. Do you think it's leaking through the gasket or from the oil bolt hole? I put sealant onto the bolt that goes into the right of the three bolt triangle- correct bolt hole?

Thanks for the threads as I might pull the motor to refresh if I plan to install SC some day. Thanks.
It's from the bolt for sure. You need to take that bolt out, clean the hole with a rag/towel soaked in brake clean. DO NOT SPRAY IT IN THE HOLE!. Then replace the bolt but with some black RTV on it and you should be good to go.
Old 12-03-2015, 06:52 PM
  #238  
AO
Supercharged
Rennlist Member
Thread Starter
 
AO's Avatar
 
Join Date: May 2002
Location: Back in Michigan - Full time!
Posts: 18,925
Likes: 0
Received 60 Likes on 34 Posts
Default

A quick update to a mostly dormant thread.

I got my intercooler back today!

No excuses now...
Old 12-03-2015, 10:34 PM
  #239  
AO
Supercharged
Rennlist Member
Thread Starter
 
AO's Avatar
 
Join Date: May 2002
Location: Back in Michigan - Full time!
Posts: 18,925
Likes: 0
Received 60 Likes on 34 Posts
Default

Here are a few pics of the new intercooler.








Old 12-03-2015, 10:59 PM
  #240  
Cosmo Kramer
Rennlist Member
 
Cosmo Kramer's Avatar
 
Join Date: Jan 2009
Posts: 4,655
Received 176 Likes on 85 Posts
Default

Way to make use of that wasted space in the V. Nice!


Quick Reply: Supercharged '91 GT Refresh



All times are GMT -3. The time now is 06:17 PM.