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91
Quadrajet Parts and Numbers / Re: TV cable bracket p/n
« Last post by Mudsport96 on April 11, 2025, 05:46:22 PM »
Found one from a LG4 (carbed 305) 700r4 camaro. 25ish bucks shipped. So hopefully, when indo find a 700 to rebuild, I can get a TV cable for a camaro and it will be close to right. I'll still throw a pressure gauge on the trans port, but it should be close.
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Dialing in your rebuilt Quadrajet carburetor / Re: Rear choke pull-off. Where is the orifice?
« Last post by Cliff Ruggles on April 11, 2025, 05:34:46 AM »
The restriction on those is difficult to access as it's all the way at the bottom of the tube.

I have new ones with the orifice at the opening for easy custom tuning......
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Quadrajet Parts and Numbers / Re: TV cable bracket p/n
« Last post by 73ss on April 10, 2025, 04:19:27 PM »
I 'm not sure if the th-350 bracket is different. The carb throttle arm for a th-350 IS slightly different than a OD throttle arm, they look similar but have different pull rates.

Any SB, OD equipped car should have the correct bracket. Early, mid 80's trucks with the 700-R is a good source. 
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Quadrajet Parts and Numbers / Re: TV cable bracket p/n
« Last post by Mudsport96 on April 10, 2025, 02:47:53 PM »
Well dang, looks like I'll be searching for the small chevy bracket then. And just to clear up MY confusion. The old th350 brackets are different correct.
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Quadrajet Parts and Numbers / Re: TV cable bracket p/n
« Last post by 73ss on April 10, 2025, 02:12:59 PM »
The type of bracket that bolted across the back 2 holes came on GM cars with the olds 307. TCI makes an exact copy of it, part # 376700. The chevy brackets bolted to one of the holes used to mount the coil on the old point systems. (The 2 bosses to mount the points coil were not deleted on the newer intakes.) and it also bolted down to a intake stud on the drivers side.
If you are running a small chevy, save yourself a ton of grief, Get a factory bracket. The olds & chevy OD throttle arms are different. I have found that the olds or TCI bracket is not compatible with a factory chevy throttle arm. I've had a 200-4 behind a BB chevy for 12 years now. Since chevy never produced a cable operated OD behind a BB (SB bracket wont bolt to BB intake) I fabbed up my own bracket by cutting & re-welding some SB brackets. I took measurements from the SB doner car and got it to work good. Using the olds/TCI bracket did not give me full pull on the cable at WOT using a factory OD chevy throttle arm. Hope this helps.
96
Quadrajet Parts and Numbers / TV cable bracket p/n
« Last post by Mudsport96 on April 10, 2025, 04:07:47 AM »
Anyone happen to know a part number for a 200-4r/700r4 TV bracket? I've looked online and all I can find is aftermarket stuff. And that is all universal/adjustable. I would kinda like a solid no chance of moving bracket, like factory so there is no chance of it slipping out of adjustment and killing a transmission. I could have sworn I had one that bolted across the back 2 holes of the carb but can't seem to find it.
I don't have an od transmission yet, but plan on it within the next year.
I have throttle shafts from OD quadrajets, so I can swap one in for the correct geometry there.
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Quadrajet Carb Talk and Tips / Re: Comments on sonic cleaner...
« Last post by mcx on April 08, 2025, 12:02:02 PM »
…I used a large lower end unit and was never thrilled with it. When it finally failed, I moved on to using a large pot on my Coleman stove and finish it with a Harbor Freight bench top soda media blast cabinet.Soda media washes away easily and air compressor dries every passageway. They come out looking excellent.
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Quadrajet Carb Talk and Tips / Re: Comments on sonic cleaner...
« Last post by 77cruiser on April 08, 2025, 09:56:06 AM »
I think about the only good thing about the one I bought is the heater. Doesn't have much cleaning power. I don't know the brand but I bought it off of EvilBay.
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Quadrajet Carb Talk and Tips / Re: Comments on sonic cleaner...
« Last post by tayto on April 08, 2025, 08:46:28 AM »
if buying a cheap one, i always boil the water before hand. when i bought mine 8 years ago a lot of the reviews said the heater burned out. one of the reviews said to boil the water first so leas run time on the heater. I have done this and haven't burned mine out yet. i also thought of getting a fish tank heater if i was using mine more regularly.I would also get a bigger one, I think the one i have is 11L and was all i could afford at the time. I also opted to get mine with analog controls (chinese unit) this was I can replace the timer or heater dial easily.
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Quadrajet Carb Talk and Tips / Comments on sonic cleaner...
« Last post by Enigmatic1 on April 07, 2025, 12:03:27 PM »
So, I've heard for somewhile about sonic cleaners and I'm thinking I may just have to get one. I've never used one and I'm wondering if the folks that have one have any advice or comments, good or bad. I know that I want one that is heated, but that's about it. I lean towards a U.S. made unit, as I do with most things. Foreign wouldn't be a deal breaker, though.
I seem to recall reading somewhere that vibration frequency is important, as too high can actually cause damage. Probably the biggest item I'll want to clean is a carburetor, but maybe a little larger than that would be better.
What works for you? What doesn't? What would you do differently if you had to go buy another one today? What should I expect to pay for a decent cleaner?
Thanks for any input.
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