|
Sponsored Links (Register now to hide all advertisements) |
|
|
Thread Tools | Display Modes |
09-23-2020, 11:54 PM | #1 |
Senior Member
Join Date: Feb 2020
Posts: 146
|
edlebrock 4 barrel manifold broken bolt
An Edlebrock 452 manifold was included in extra parts that came with the car. It has a broken off bolt. I was wondering what the hole is used for. Also I don't remember removing a broken bolt from Aluminum so any hints would be appreciated.
|
09-24-2020, 12:23 AM | #2 |
Senior Member
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,312
|
Re: edlebrock 4 barrel manifold broken bolt
That's in the heat riser passage from the exhaust system. It looks like a hole got put into it, and someone tapped the hole and put a bolt into it to plug the hole. There isn't supposed to be a hole of any kind there. The only thing I can think of is that someone at some time decided they wanted to run an automatic choke and put the hole in there for a tube to supply heat to an automatic choke. When they found out it didn't work, the decided to plug it. If you have access to someone who is good at welding aluminum, I'd have it welded up. If you're cheap like me, I'd just clean it up and patch it with a high quality aluminum epoxy. There's really no pressure there so it would probably work fine. (Make sure what you use is intended for high temperature use.)
It looks like whoever had it modified it for a PCV system instead of a road draft tube as well. |
Sponsored Links (Register now to hide all advertisements) |
|
09-24-2020, 03:52 AM | #3 |
Senior Member
Join Date: May 2010
Location: East Hartford, Ct
Posts: 5,898
|
Re: edlebrock 4 barrel manifold broken bolt
If that is a view of the drivers side of the manifold and it's not a distorted view, the carb mount surface is backwards of what it should be and the angle does not look right.
Looks more like it was meant for some special application like a boat.
__________________
DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES Last edited by 51 MERC-CT; 09-24-2020 at 06:20 AM. |
09-24-2020, 09:16 AM | #4 |
Senior Member
Join Date: Feb 2020
Posts: 146
|
Re: edlebrock 4 barrel manifold broken bolt
That view is of the passenger side and please double check me. My advancing age and dyslexia can confuse me. The top view photo shoes the side with the broken bolt is the passenger side. I never noticed the plane of the carb surface was not parallel with the block surface. Some reason for that?
As far as the broken bolt, I may just leave it alone if it is blocking a hole that was put in later by someone. |
09-24-2020, 09:23 AM | #5 |
Senior Member
Join Date: Oct 2016
Location: harpursville ny
Posts: 1,040
|
Re: edlebrock 4 barrel manifold broken bolt
My offy manifold has a similar hole plugged with a bolt.
|
09-24-2020, 09:29 AM | #6 |
Member Emeritus
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
|
Re: edlebrock 4 barrel manifold broken bolt
Sponsored Links (Register now to hide all advertisements)
|
09-24-2020, 10:44 AM | #7 |
Senior Member
Join Date: Feb 2020
Posts: 146
|
Re: edlebrock 4 barrel manifold broken bolt
I guess I never noticed carb angles and I am going to look more closely at my other cars and cars in general.
|
09-24-2020, 02:09 PM | #8 |
Senior Member
Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 10,312
|
Re: edlebrock 4 barrel manifold broken bolt
Don't 8BA manifolds have a 4 degree tilt down in front and the pre '48's have none?
|
09-24-2020, 04:28 PM | #9 |
Senior Member
Join Date: May 2010
Location: East Hartford, Ct
Posts: 5,898
|
Re: edlebrock 4 barrel manifold broken bolt
Can't say about the pre- 8BA's but all the 8BA's I have seen have the 4 deg. angle.
__________________
DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES |
09-24-2020, 06:13 PM | #10 | |
Senior Member
Join Date: Apr 2019
Location: Kansas
Posts: 921
|
Re: edlebrock 4 barrel manifold broken bolt
Quote:
Correct. I milled my 8CM Merc manifold flat to use in the '41 Merc. Terry
__________________
"It don't take but country smarts to solve the problem" (Smokey Yunick) '41 Merc Town Sedan / 260" 8CM engine '66 Fairlane four door / "warmed up" 302 |
|
|
|
Sponsored Links (Register now to hide all advertisements) |
|