Carb spacer
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Junior User
Joined: Nov 2010
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Carb spacer
Hi fellows, changed intake on my 65 sb with 352 to edelbrock with edelbrock carb. The spacer under the carb seemed to be set up to run coolant through. Is this necessary. And what is the purpose? Should I pick up a different spacer when I get the gaskets? Thanks, John
Posting Guru
Joined: Jan 2011
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It is to prevent both icing in the winter and vapor lock in the hot summer. Its ment to keep a constant temp for good fuel vaporization and mileage. A lot of guys will not put it back in place if they just want to use the motor for racing. IMO, I would use it. But, to each their own.
Cargo Master
Joined: Oct 2005
Posts: 2,084
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From: Stanton, Michigan, USA
John,
Inspect the spacer for corrosion or serious pitting, as most are made of cast aluminum and can become rotten. If it is still in good shape, I'd re-install it as The Masked Rider suggested.
Install it with a paper gasket on top and bottom. I'd smear a bit of never-seize on both sides of each paper gasket to make its future removal (if ever necessary) easier.
BarnieTrk
Inspect the spacer for corrosion or serious pitting, as most are made of cast aluminum and can become rotten. If it is still in good shape, I'd re-install it as The Masked Rider suggested.
Install it with a paper gasket on top and bottom. I'd smear a bit of never-seize on both sides of each paper gasket to make its future removal (if ever necessary) easier.
BarnieTrk
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Logistics Pro
Joined: Feb 2011
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From: Townsend, MT
John,
Inspect the spacer for corrosion or serious pitting, as most are made of cast aluminum and can become rotten. If it is still in good shape, I'd re-install it as The Masked Rider suggested.
Install it with a paper gasket on top and bottom. I'd smear a bit of never-seize on both sides of each paper gasket to make its future removal (if ever necessary) easier.
BarnieTrk
Inspect the spacer for corrosion or serious pitting, as most are made of cast aluminum and can become rotten. If it is still in good shape, I'd re-install it as The Masked Rider suggested.
Install it with a paper gasket on top and bottom. I'd smear a bit of never-seize on both sides of each paper gasket to make its future removal (if ever necessary) easier.
BarnieTrk
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Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
Hi fellows, changed intake on my 65 sb with 352 to edelbrock with edelbrock carb. The spacer under the carb seemed to be set up to run coolant through. Is this necessary. And what is the purpose? Should I pick up a different spacer when I get the gaskets? Thanks, John
John
Elder User
Joined: Oct 2009
Posts: 825
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From: Dallas, Texas
No it is not necessary. You do not need to run coolant under your carb. I did not put it back on my engine after rebuild 12 or so years back. You will need a 1" phenolic spacer to keep the hot intake from boiling gas out after it is run a bit and you stop & need to restart. A paper gasket will work.
John
John
Sorry to OP for the hijack, but since you have suggested this on this thread, let me ask here.
My '66 w/352 DOES have a problem when restarting hot or the next day after running. The problem seems to be lack of fuel, but I never considered the possibility of the gas boiling out. I have an Edlebrock alum manifold and Edlebrock 1406 4-barrel carb like I think you have said you do. Carb is bolted directly to manifold - gasket and no spacer.
Whadda ya think? and where didja get the spacer?
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Greg, Zackly the same problem, The 1" phenolic will stop the issue dead in it's tracks and I think you will draw a big ol grin on your face after the install and you take it out on a test run.
The spacer should be a your favorite parts house.
Let me know if you find that grin.
John
The spacer should be a your favorite parts house.
Let me know if you find that grin.
John
Elder User
Joined: Oct 2009
Posts: 825
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From: Dallas, Texas
John, went looking and found both a 4 hole spacer and a similar one with one large center hole - both fit my Edelbrock manifold.
Now I just need to decide which will work better. Which did you use? Seems the single hole might allow a more even fuel distribution into manifold, but who knows?
Now I just need to decide which will work better. Which did you use? Seems the single hole might allow a more even fuel distribution into manifold, but who knows?
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Greg, Answering that question takes a higher pay grade than mine. I have seen those single hole in both intakes & spacers, and don't know what the purpose is.
I used the 4 holer on mine.
John
I used the 4 holer on mine.
John
More Turbo
Joined: Apr 2011
Posts: 707
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From: Sauk City, WI
Greg, Im fairly certain you would want to use one that is the same as the holes in the top of your intake. Using one with a single hole on an intake with 4 holes could possibly create turbulence which would possibly hurt your engines power production.
Elder User
Joined: Oct 2009
Posts: 825
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From: Dallas, Texas
Corey, John,
I have the Edlebrock Performer aluminum manifold and Edelbrock carb that were on the truck when I got it.
My guess is that there are two elongated slots or one large hole, but not 4 holes.
Maybe I will check what the guys at Edlebrock have to say, even though I know you guys are smarter!!
Thanks, anywho!
I have the Edlebrock Performer aluminum manifold and Edelbrock carb that were on the truck when I got it.
My guess is that there are two elongated slots or one large hole, but not 4 holes.
Maybe I will check what the guys at Edlebrock have to say, even though I know you guys are smarter!!
Thanks, anywho!