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09-30-2003, 01:01 PM | #1 |
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Join Date: Sep 2001
Location: Seattle, WA, USA
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Adapting throttle rod to new carburetor...
This one was a pain when I had to convert from 2bbl Rochester to a 4bbl Edelbrock 1406 (electric choke 600 cfm). The throttle rod from the gas petal linkage has no where to go with the new carburetor, so you need some sort of adapter to connect the throttle rod to the linkage. Here's what I used:
Mr Gasket #1512. I took the bushing you see between the two washers and opened the center with a 1/4" drill bit. The bushing has a lip on one side (looks like one of the "washers" in the picture), and fits perfectly in the throttle linkage on the carburetor. The throttle rod will fit right through, and using a new washer on the other side of the linkage you can use a simple cotter pin to go through the throttle rod and you're done! All you need now is a throttle return spring. Here's what the Mr. Gasket adapter kit looks like assembled:
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'69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA. |
09-30-2003, 01:02 PM | #2 |
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...and here's what it looks like finished.
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'69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA. |
10-06-2003, 12:32 PM | #3 |
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Cobalt, thanks for the post!. I'm assuming you only used the "bushing" itself and not the rest judging by the pic?
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
10-06-2003, 02:31 PM | #4 |
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Location: Seattle, WA, USA
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Yep. I could have fabbed something up, but I got the whole thing to see what part I could use. Turns out the bushing was perfectly sized (in thickness) to fit inside the throttle linkage. Only the rod was too thick, so I had to open the hole. Once that was done it worked perfectly.
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'69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA. |
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