(64K)
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The TB bores actually measure out to 50mm each, which is slightly less than 2 inches, at the butterfly end. |
(65K)
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Just a few reference photos of how the TB looked when I got it. |
(62K)
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By the way, I got it for $1.00. The thing cost more to ship from Canada... |
(61K)
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How do you get this much crud in the intake tract of a port injected engine? |
(82K)
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Two times 50mm. |
(72K)
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This is where the idle air control valve goes. I'll have to come up with a simple solenoid valve for this. |
(75K)
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The gasket is from the Caddy/Olds EFI intake. I intend to make a 90-degree adapter to mount the TB horizontally. Looks like the tubes will have to angle slightly. The intake's ports are slightly larger at about 2-1/4". |
(68K)
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After a good soak and scrub with purple cleaner. The sodium hydroxide in the "purple" cleaners tends to darken (oxidize) aluminum. |
(56K)
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The purple stuff got all the grease and grunge off, but there's still some oxidation hanging about. |
(49K)
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(66K)
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(55K)
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Much better! |
(83K)
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Just some of the cleaned, disassembled parts. |
(69K)
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After some quality time with flying glass sand. I love how it works, but I _really_ need a blast cabinet - sandblasting is gritty and messy! |
(52K)
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Bright and shiny! The casting is pretty rough, though. I still need to go after it with the Dremel and stones. |
(65K)
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I taped over the throttle shaft bores to keep grit out of the bearings. They're sealed bearings, but just in case... |
(55K)
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All pretty now. |
(81K)
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Cleaned up the other bits as well. The butterflies will stay natural, but the steel parts will be painted a "steel" color, since most of the coating has worn off. |
(22K)
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This is the throttle body as it's fitted stock. Note that the throttle attachment pulls to the right in the picture, which means that it pulls *down* if you mount the thing with the bores side-by-side. Rats. |
(76K)
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Fortunately, Ford uses a similar TB in E-van applications (seen here on a 460 in a Bronco) which mounts the TB like I want to, and with a divored IAC. I either need to get the whole TB, or at least the throttle shaft and linkage. Oh, well, another trip to the bone yard. |