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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Dec 2002 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2002 Posts: 127 | so after all the tuning issues with my holley 390, i think im going to be switching back to my original 1 barrel rochester. the 4 barrel is just too much for my 235. i have put smaller jets and it is still running extremely rich. probably should have just left it all original in the first place. although that 4 barrel does look pretty nice in there. i am looking for some pics of the rochester throttel linkage since I will have to redo mine. will also have to run a new choke cable to it since the holley was electric choke! thanks! | | | | | Joined: Dec 2002 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2002 Posts: 127 | actually i just found some pics from a previous post. any idea where i can find the throttle linkage setup that goes from carb to pedal? thanks! | | | | | Joined: Aug 2001 Posts: 1,299 'Bolter | | 'Bolter Joined: Aug 2001 Posts: 1,299 | Are you talking for Chevy hydra-matic? That is a rare piece. Chevy and GMC are different. I MAY have a couple of leads. Both I am sure will be pricey. Send me a PM when you get yourself prepared for sticker shock. | | | | | Joined: Dec 2002 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2002 Posts: 127 | Hydramatic, I have the part that mounts on block, I just need the rod that goes from linkage to linkage. Thanks! | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | old54truckluvr,
You might want to post a few pictures of the what you already have. Th Hydra-Matic linkage is complicated compared to the standard linkage.
Also, the Hydra-Matic carburetor and truck did not have a choke cable nor a throttle cable.
| | | | | Joined: Aug 2001 Posts: 1,299 'Bolter | | 'Bolter Joined: Aug 2001 Posts: 1,299 | Here is a link to the pictures of the link that goes from the bellcrank on side of block up to the carb. It is in comparison to a standard transmission link. The link from the acellerator pedal to the bellcrank is also different but still on the truck and not easily photographed. It too is adjustable but I am going to assume that it did not get changed on your truck going to the 4bbl carb. Tim has a part number fot a universal Camaro rod that is on my truck right now for the dual Carter/Weber carb setup. That is why the link was on parts shelf and available for the photo op. If I were going to try and duplicate the original piece, that universal rod would be a great starting point as it would basically just require the bends. The adjustable end is round instead of square but still closer than anything else I think you will find. http://community.webshots.com/album/583181410LoUAYI?vhost=communityHope this helps you out.(and no, I don't want to sell the rod I am not currently using in case you were wondering) | | | | | Joined: Dec 2002 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2002 Posts: 127 | that is definately the piece i am looking for. darn yours isnt for sale!! wonder if anyone else has one laying around for sale? i might even try local hardware shop for some threaded rod and just bend it myself. thanks again for all the help! Here is a link to the pictures of the link that goes from the bellcrank on side of block up to the carb. It is in comparison to a standard transmission link. The link from the acellerator pedal to the bellcrank is also different but still on the truck and not easily photographed. It too is adjustable but I am going to assume that it did not get changed on your truck going to the 4bbl carb. Tim has a part number fot a universal Camaro rod that is on my truck right now for the dual Carter/Weber carb setup. That is why the link was on parts shelf and available for the photo op. If I were going to try and duplicate the original piece, that universal rod would be a great starting point as it would basically just require the bends. The adjustable end is round instead of square but still closer than anything else I think you will find. http://community.webshots.com/album/583181410LoUAYI?vhost=communityHope this helps you out.(and no, I don't want to sell the rod I am not currently using in case you were wondering) | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | | | |
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