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Holley 1848

From 1981 Ford Bronco “Spartan” — documented by AbandonedBronco.

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1981 Ford Bronco - Purchased this used 1848 (465cfm) off of eBay. They said it was in unknown condition, but it arrived in perfect shape and had a fresh rebui… 1981 Ford Bronco - My biggest concern was the baseplate, since I've seen them warped before. I also found out that, even though Holley still sells the carbure… 1981 Ford Bronco - Whoever rebuilt the carb didn't do their homework and just used the secondary diaphragm that came with the kit. The standard rebuild kit di… 1981 Ford Bronco - A close-up view of a carburetor, a critical engine component, is shown on a table. 1981 Ford Bronco - I could tell the rebuild kit was new because these were only "recently" changed to the blue neoprene to combat newer fuels. 1981 Ford Bronco - One of my least favorite gaskets is the paper gaskets that come with most rebuild kits. They're junk as they're a one time deal. 1981 Ford Bronco - A float must've been replaced at one point as they were both different. 1981 Ford Bronco - I decided to upgrade the carb with a secondary metering block, so I removed the plate. 1981 Ford Bronco - The new metering block with no powervalve. 1981 Ford Bronco - The metering block kit came with an extended transfer tube to accommodate the longer distance. The nylon fuel bowl screw gaskets are also v… 1981 Ford Bronco - I was glad the longer transfer tube came with the style of gasket on the right. The o-ring gaskets have a tendency to pinch, and I usually… 1981 Ford Bronco - Carburetor base plate, gasket, and hardware laid out on a wooden surface. 1981 Ford Bronco - Removing the metering plate and storing it away for later. 1981 Ford Bronco - I'm still not sure what the little air flapper is for. The 1848 is the only Holley I've ever seen with it. 1981 Ford Bronco - I had to ream these paper gaskets out with a small screwdriver. I highly recommend replacing them with nylon gaskets. 1981 Ford Bronco - A carburetor part is held in a hand, with other items on a table. 1981 Ford Bronco - The air flapper looks like it's designed to open when the throttle is fully closed. Dunno why. 1981 Ford Bronco - The needle and seat gaskets are also generally made of paper. I purchased these nylon ones and installed them as they're reusable and vastl… 1981 Ford Bronco - Replacing the paper gaskets with nylon. 1981 Ford Bronco - When I went to install the carb, I found it had no provisions for PCV or brake booster vacuum. 1981 Ford Bronco - This image shows the intricate mechanical linkage of a vehicle's carburetor, not a specific model year. 1981 Ford Bronco - Close-up of a Holley carburetor, a key engine component, with visible text on its cap. 1981 Ford Bronco - Here's a pic of the 80457 (600cfm) I removed and its vacuum port. 1981 Ford Bronco - Purchased this spacer from SummitRacing. It seems to be of very good quality. 1981 Ford Bronco - The spacer installed. The rounded tips of the studs are really nice for installing the nuts. 1981 Ford Bronco - I have a Lokar throttle cable bracket return spring that was designed to press against the square corner of a Holley carb, like the 600cfm… 1981 Ford Bronco - I have a Lokar throttle cable bracket return spring that was designed to press against the square corner of a Holley carb, like the 600cfm… 1981 Ford Bronco - Despite not having anything to brace against, it tightened down fine and didn't move. 1981 Ford Bronco - I wasn't interested in hooking up the heat activated choke, so I removed it. 1981 Ford Bronco - Swapping on the electric choke from my other Holley was easy. 1981 Ford Bronco - Despite having everything drilled for the idle screws, they were dummy blanks and had no threads and the holes didn't go all the way throug… 1981 Ford Bronco - Before I realized they didn't work, I installed the proper parts. I later removed them because they were useless. 1981 Ford Bronco - Secondary metering block upgrade kit. 1981 Ford Bronco - Metering block installed and the carb in place. 1981 Ford Bronco - The throttle linkage has a very few provisions on it (as opposed to most Holleys) so I wasn't able to use my original return spring and had… 1981 Ford Bronco - My personalized return spring setup. 1981 Ford Bronco - Close-up of a Holley carburetor, showing part details and connected hoses. 1981 Ford Bronco - Bolted on, ready to go.