Tips for changing intake manifold

Longroof79

Rocket Powered Basset Hound
Oct 14, 2008
11,758
113
Gainesville, Fl
I'm guessing if it was a bad thermostat it would have consistently run hot...like Steve suggested, it was probably an air pocket, or bubble in the cooling system and it burped itself free.
I think replacing the thermostat is cheap insurance.
 
  • Agree
Reactions: 1 user

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
10,947
113
Socialist NY
For the valve cover breather just cut a small piece of the heater core size hose and connect it to the ends of the tube and air cleaner nipple
 

Opie Knievel

Rum Fueled Midnight Mechanic and Moderator
Moderator
Sep 6, 2010
1,510
113
Brodhead, Kentucky
I'm guessing if it was a bad thermostat it would have consistently run hot...like Steve suggested, it was probably an air pocket, or bubble in the cooling system and it burped itself free.
I think replacing the thermostat is cheap insurance.

Could be the thermostat could have been an air bubble. I've had thermostats intermittently stick before.
 

pontiacgp

blank
Mar 31, 2006
29,280
113
Kitchener, Ontario
Yea I didn't bleed anything. Don't really know how. It's alright now tho, no more smoking. And a factory replacement thermostat may be in order as well. I'll have to work on getting that valve cover breather thing dealt with as well. Right now she at least runs and drives without trouble, and I'm happy. Thanks for all your help guys! Hopefully all of the information compiled on this single thread is enough to help the next guy who wants to do this and doesn't know anything about it haha. The car is still a work in progress! The work never stops lol

I use a kit like this to bleed the system....

8572315.jpg
 
  • Like
Reactions: 2 users

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
10,947
113
Socialist NY
OOO dat's fancys
 
  • Agree
Reactions: 1 users

pontiacgp

blank
Mar 31, 2006
29,280
113
Kitchener, Ontario
OOO dat's fancys

it works great, you can keep the funnel full which is the highest point and it is sealed to the rad. After the bubbles are gone the plunger seals the funnel so you can remove it from the rad and simple sit the funnel in the antifreeze container, pull the plunger and let the contents go back into the container.
 
  • Winner
Reactions: 1 user

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
10,947
113
Socialist NY
I have these, push the bleeder or crack the plug.

What's great about these is that no one wants them and they always seal perfectly.

 
  • Like
  • Agree
Reactions: 5 users

LukeZ

G-Body Guru
Thread starter
Apr 24, 2015
537
63
Delaware
Had to dump some metal and old batteries at the scrapyard today. After subtracting the weight of the scrap and my weight, my car weighs about 3530lbs with a quarter tank of gas. That's at least less than I thought it weighed lol. Its a pretty much stock 86 SS Elco in case anyone doesn't know haha. Only major mods that would affect the weight are a bed cover from Gaylords and the aluminum Eddy. Removed the smog pump and all that as well. Not sure what it weighed prior to the swap; I should have weighed the old intake vs the new intake before I put the new one in and chucked the old one. Oh well lol. Just thought it'd be helpful to the post the weight for anyone looking at this job in the future.
 

pontiacgp

blank
Mar 31, 2006
29,280
113
Kitchener, Ontario
the cast iron intake is 41 lbs, your intake is 16.5 lbs.....

have you bled the cooling system yet?
 

GBodyForum is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates.

Please support GBodyForum Sponsors

Classic Truck Consoles Dixie Restoration Depot Mike's Montes UMI Performance

Contact Admin@GBodyForum.com for info on becoming a sponsor