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#21
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Cliff - great info. In comparing an Edelbrock 1903 and a 1910 model, I've notice that the 1910 opens a lot further. If I recall correctly, the 1903 was something like 1.39" vs 1.27 on the 1910. In fact, the 1910 that I have seems to want to open the door further than the choke-pull-off link will allow, and it tends to bind in the slot a bit at maximum opening.
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#22
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The 1910 uses the wrong secondary airflap shaft, not enough room in the slot for the amount of travel. For some reason, they installed the early airflap shaft from the divorced choke carbs, not the later model shaft used on the 1975 and later carburetors with the pull-off mounted on the airhorn.
Just one of the flaws in a those carburetors, there are at least a dozen others....Cliff
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If you can read this, thank a teacher. If you can read this in English, thank a Veteran! https://cliffshighperformance.com/ 73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile), |
#23
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Quote:
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#24
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Quote:
That was one of his reasons that carburetors should always be rebuilt instead of replaced whenever possible- The carburetor is matched to the engine, and nothing else will ever work as well. But then again he did get fired for being an insane alcoholic... |
#25
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I believe to decrease surface area on the opposing side. Letting the low pressure under the flap to either start pulling sooner or perhaps so it could pull harder.
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1978 Black & Gold T/A [complete 70 Ram Air III (carb to pan) PQ and 12 bolt], fully loaded, deluxe, WS6, T-Top car - 1972 Formula 455HO Ram Air numbers matching Julep Green - 1971 T/A 455, 320 CFM Eheads, RP cam, Doug's headers, Fuel injection, TKX 5 Spd. 12 Bolt 3.73, 4 wheel disc. All A/C cars |
#26
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Welded "box" on Q-jet secondary baffle plate
Thanks to SunTuned for the part! These are two pictures of the actual item that is being discussed. Pictures aren't great, but it does show the actual part.
Note: The green clip isn't part of the baffle, it held it up for the picture! |
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