2015-01-23 07.25.04.jpg
160 hits | 58.54 KB | Posted: 1/25/15
Purchased this used 1848 (465cfm) off of eBay. They said it was in unknown condition, but it arrive...

2015-01-23 07.25.33.jpg
141 hits | 44.84 KB | Posted: 1/25/15
My biggest concern was the baseplate, since I've seen them warped before. I also found out that, ev...

2015-01-23 07.25.41.jpg
130 hits | 47.3 KB | Posted: 1/25/15
Whoever rebuilt the carb didn't do their homework and just used the secondary diaphragm that came wi...

2015-01-23 07.25.58.jpg
139 hits | 51.17 KB | Posted: 1/25/15

2015-01-23 07.26.44.jpg
130 hits | 55.16 KB | Posted: 1/25/15
I could tell the rebuild kit was new because these were only "recently" changed to the blu...

2015-01-23 07.28.01.jpg
121 hits | 51.96 KB | Posted: 1/25/15
One of my least favorite gaskets is the paper gaskets that come with most rebuild kits. They're jun...

2015-01-23 07.32.28.jpg
141 hits | 74.05 KB | Posted: 1/25/15
A float must've been replaced at one point as they were both different.

2015-01-23 07.32.49.jpg
124 hits | 61.08 KB | Posted: 1/25/15
I decided to upgrade the carb with a secondary metering block, so I removed the plate.

2015-01-23 07.33.08.jpg
129 hits | 47.01 KB | Posted: 1/25/15
The new metering block with no powervalve.

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122 hits | 74.54 KB | Posted: 1/25/15
The metering block kit came with an extended transfer tube to accommodate the longer distance. The ...

2015-01-23 07.34.42.jpg
117 hits | 57.35 KB | Posted: 1/25/15
I was glad the longer transfer tube came with the style of gasket on the right. The o-ring gaskets ...

2015-01-23 07.35.05.jpg
132 hits | 68.04 KB | Posted: 1/25/15

2015-01-23 10.32.55.jpg
134 hits | 67.77 KB | Posted: 1/25/15
Removing the metering plate and storing it away for later.

2015-01-23 10.34.25.jpg
129 hits | 72.13 KB | Posted: 1/25/15
I'm still not sure what the little air flapper is for. The 1848 is the only Holley I've ever seen w...

2015-01-23 10.34.41.jpg
151 hits | 50.55 KB | Posted: 1/25/15
I had to ream these paper gaskets out with a small screwdriver. I highly recommend replacing them w...

2015-01-23 10.34.47.jpg
133 hits | 65.04 KB | Posted: 1/25/15

2015-01-23 10.34.51.jpg
122 hits | 60.33 KB | Posted: 1/25/15
The air flapper looks like it's designed to open when the throttle is fully closed. Dunno why.

2015-01-23 10.35.24.jpg
108 hits | 66.43 KB | Posted: 1/25/15
The needle and seat gaskets are also generally made of paper. I purchased these nylon ones and inst...

2015-01-23 10.36.31.jpg
121 hits | 61.57 KB | Posted: 1/25/15
Replacing the paper gaskets with nylon.

2015-01-24 11.37.27.jpg
173 hits | 77.45 KB | Posted: 1/25/15
When I went to install the carb, I found it had no provisions for PCV or brake booster vacuum.

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113 hits | 73.26 KB | Posted: 1/25/15

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129 hits | 75.45 KB | Posted: 1/25/15

2015-01-24 11.38.07.jpg
151 hits | 65.04 KB | Posted: 1/25/15
Here's a pic of the 80457 (600cfm) I removed and its vacuum port.

2015-01-24 11.38.47.jpg
140 hits | 78.13 KB | Posted: 1/25/15
Purchased this spacer from SummitRacing. It seems to be of very good quality.

2015-01-24 12.06.03.jpg
151 hits | 75.68 KB | Posted: 1/25/15
The spacer installed. The rounded tips of the studs are really nice for installing the nuts.

2015-01-24 12.09.23.jpg
130 hits | 53.36 KB | Posted: 1/25/15
I have a Lokar throttle cable bracket return spring that was designed to press against the square co...

2015-01-24 12.09.41.jpg
156 hits | 62.64 KB | Posted: 1/25/15
I have a Lokar throttle cable bracket return spring that was designed to press against the square co...

2015-01-24 12.09.51.jpg
125 hits | 72.22 KB | Posted: 1/25/15
Despite not having anything to brace against, it tightened down fine and didn't move.

2015-01-24 13.00.06.jpg
121 hits | 76.8 KB | Posted: 1/25/15
I wasn't interested in hooking up the heat activated choke, so I removed it.

2015-01-24 13.06.56.jpg
133 hits | 71.41 KB | Posted: 1/25/15
Swapping on the electric choke from my other Holley was easy.

2015-01-24 13.16.41.jpg
138 hits | 61.29 KB | Posted: 1/25/15
Despite having everything drilled for the idle screws, they were dummy blanks and had no threads and...

2015-01-24 13.26.04.jpg
141 hits | 62 KB | Posted: 1/25/15
Before I realized they didn't work, I installed the proper parts. I later removed them because they...

2015-01-24 13.26.10.jpg
122 hits | 71.29 KB | Posted: 1/25/15
Secondary metering block upgrade kit.

2015-01-24 13.28.07.jpg
147 hits | 75.51 KB | Posted: 1/25/15
Metering block installed and the carb in place.

2015-01-24 14.08.13.jpg
153 hits | 82.5 KB | Posted: 1/25/15
The throttle linkage has a very few provisions on it (as opposed to most Holleys) so I wasn't able t...

2015-01-24 14.08.21.jpg
138 hits | 83.75 KB | Posted: 1/25/15
My personalized return spring setup.

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147 hits | 56.21 KB | Posted: 1/25/15

2015-01-24 15.57.46.jpg
165 hits | 86.21 KB | Posted: 1/25/15
Bolted on, ready to go.