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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Nov 2006 Posts: 84 'Bolter | | 'Bolter Joined: Nov 2006 Posts: 84 | Is one better than the other for the late 1940's in line sixes? more reliable, better fuel atomization ect... Let me know your opinion's.
Thanks,
Last edited by Treyz; 11/29/2011 6:48 AM.
| | | | | Joined: Nov 2002 Posts: 2,767 Carburetion specialist | | Carburetion specialist Joined: Nov 2002 Posts: 2,767 | Zenith made some of the very best single barrel carburetors ever built, at any price, at any time, anywhere in the world. Since they made so many different, it is important to select one the proper size for the engine.
Rochester made some of the very best TWO and FOUR barrel carburetors ever built, at any price, anywhere in the world.
Jon.
Good carburetion is fuelish hot airThe most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes!The Carburetor Shop | | | | | Joined: Dec 2008 Posts: 1,922 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 1,922 | Beside the actual carburetor function, the best carburetor is also:
1. the one you have
2. the one in the best condition
3. the one you know best
4. the cheapest one to buy | | | | | Joined: Nov 2006 Posts: 84 'Bolter | | 'Bolter Joined: Nov 2006 Posts: 84 | I have 1 of each and they both have very little useage but need to be gone through. I am trying to decide on the one that is best to rebuild. It is for a GMC 270 4.4L | | | | | Joined: Jan 2008 Posts: 4,962 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,962 | If you read Carbking's post carefully, he states Rochester made some of the best 2 and 4v carbs in the world, but he was silent about the single barrel carbs. And also, Zenith was OEM on a 270. If you have the correct Zenith for a 270, I don't think there is much question about which one to use. | | | | | Joined: Apr 2010 Posts: 160 'Bolter | | 'Bolter Joined: Apr 2010 Posts: 160 | Single barrel Rochesters were OK. What gave them a bad name was a model we called the "flat top" where the lid was only half as thick as normal. We had a 55 gal drum almost full of these that had been replaced. These came out around 51. | | | | | Joined: Nov 2006 Posts: 84 'Bolter | | 'Bolter Joined: Nov 2006 Posts: 84 | I think the Zenith will be getting installed...
Thanks for the advice.
Trey | | |
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