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Thread: sbc intake question
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02-08-2017 01:33 PM #1
sbc intake question
Hi guys,
I have a small block chevy from the "70s with a stock intake manifold and a Rochester quadaijet. I want to eliminate the dark discolored areas on ea. side of the manifold. Can I swap the divorced choke to an electric choke and block or partially block off the heat crossovers to accomplish this? or any other ideas?
Thanks
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02-08-2017 02:38 PM #2
Welcome to CHR!
Not sure exactly what you're looking to do. By the discolored areas do you mean directly under the carb where the manifold bolts are? Is your intent to then repaint the manifold? Is the manifold off the engine? If so, go after the discolored area with a wire brush in a drill motor as you can't hurt the cast iron.
As to the choke - yes you can, but it requires a kit to do such that will set you back $75 which may be better spent on a new carb rather than a 40 year old unit.
Snap a picture or two and give us some more information on what your goals are.
Again, welcome to CHR.
Glenn"Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil
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02-08-2017 03:30 PM #3
20170208_102906.jpg20170208_102906.jpg
I plan on powder coating the intake and don't want the powder to burn off or discolor like the paint did on each side where the heat crossover ports are.
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02-08-2017 04:52 PM #4
find yourself a cheap yard sale aluminum intake that does not have the EGR ports or make some metal gasket fillers to stop off yours .. or there may be other options .. i`m a ford guy ...iv`e used up all my sick days at work .. can i call in dead ?
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02-08-2017 08:15 PM #5
If I remember right, I think they give you a choice in the gasket set for blocked or open EGR. They both come in the kit. It's been a long time since I've done one. I agree on the carb, a new Edelbrock would be a better investment than a 70 dollar choke kit.Last edited by 53 Chevy5; 02-08-2017 at 08:18 PM.
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02-08-2017 08:29 PM #6
Ken Thomas
NoT FaDe AwaY and the music didn't die
The simplest road is usually the last one sought
Wild Willie & AA/FA's The greatest show in drag racing
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02-09-2017 07:08 AM #7
Unless you have a specific reason to keep the stock manifold, junk it and get an edelbrock performer..
Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
EG
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02-09-2017 08:20 AM #8
Ya might want to check the pt# on that manifold. and do some research It's been a lot of yrs ago and my memory is not what it was but I was in the emissions industry for many yrs and I think this manifold is 1965 or 1966 beacuse in 1967 there was the predessor to the egr was called a gulp valve and had a large port behind the carb. and then I think in 69 or 70 the came out with the e.g.r. that used that port. And the manifold in the pic. does not have that port If iI am right this part could have some value to some of the restorer guy's ( just a thought might be worth checking out.) OH! b.t.w. that port that has te paint burned off is a carb heat port to speed up the warm up of the carb when cold beacuse a cold eng requires a much richer A/f mixture and that increases the co emissionsI'LL KEEP MY PROPERTY, MY MONEY, MY FREEDOM, AND MY GUNS, AND YOU CAN KEEP THE CHANGE------ THE PROBLEM WITH LIBERALISM IS SOONER OR LATER YOU RUN OUT OF OTHER PEOPLES MONEY margaret thacher 1984
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02-09-2017 12:15 PM #9
Check your local craigslist I've seen the Performer intakes go for $50-$75 like this: Edelbrock Performer 2101 Small Block Chevy Intake Manifold | eBay
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02-09-2017 02:26 PM #10
That's just opening bid.
Filter for ending soonest and keep an eye on it, sometimes you get lucky..
Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
EG
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02-09-2017 02:44 PM #11
i have never been able to buy anything by bidding .. i hit the " buy it now " button ...iv`e used up all my sick days at work .. can i call in dead ?
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02-10-2017 06:40 AM #12
Buy it now is more convenient to be sure.
If you're not in a hurry, then waiting for an item to close and "sniping" the bid at the last minute is the way to get a really good deal.
Watch for shipping fees!.
Education is expensive. Keep that in mind, and you'll never be terribly upset when a project goes awry.
EG
What a cool old car. I’m glad it will still be near you, and taken care of.
57 Plymouth