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Old 05-29-2025, 02:07 AM   #1
Luke87gt
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Where to have Rochester Monojet Rebuilt?

Hi guys, I’m going to try to get my ‘69 250 running again and would like to have the carb professionally rebuilt.

I’m wondering if you guys can recommend any sources for this?

I contacted Mike’s Carburetors in Washington but he doesn’t do rebuilds anymore.

And for those that recommend doing it yourself, I will in the future but have enough on my plate at the momen and would like to leave this one to the pros.

Thank you!
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Old 05-29-2025, 08:18 AM   #2
awryexperiment
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Re: Where to have Rochester Monojet Rebuilt?

The best shop in the US is located in NJ. They will rebuild and restore your carb to factory-new condition. Cost is on their website: http://carburetorusa.com/

Here are before and after shots of my Q-Jet.
Name:  before.jpg
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Name:  after.jpg
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Old 05-29-2025, 08:20 AM   #3
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Re: Where to have Rochester Monojet Rebuilt?

Sorry that the photos are sideways, I don't know why they post that way.
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Old 05-29-2025, 11:32 AM   #4
54blackhornet
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Re: Where to have Rochester Monojet Rebuilt?

I had them rebuild DualJet on my 307 a while back and it has performed great. I did use a fuel regulator though. Their customer service is really good.
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Old 05-29-2025, 12:03 PM   #5
MikeB
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Re: Where to have Rochester Monojet Rebuilt?

Quote:
Originally Posted by awryexperiment View Post
Sorry that the photos are sideways, I don't know why they post that way.
For some reason our 67-72 ChevyTrucks forum wants to display photos with the longest side horizontally.

What I do is crop the photo using Google Photos, or simply take it in the landscape mode to begin with. (That's with the phone held sideways.)

Here's an example. Photo on left was not taken that way, of course, but gets rotated 90 degrees left when I attach it here. On the right is the same photo, but I cropped it.

Go figure.
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1969 Custom/10 LWB -- owned for 37 years. 350/TH350, 3.08 posi, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. Hedman stainless headers. Old Air installation in progress.
1982 Custom Deluxe 10 SWB -- converted from 250-six to roller cam 350 w/ Vortec heads -- sold
1981 C10 Silverado LWB, 305, TH350C -- sold, but wish I still had it!
1969 C10 (not the current one) which I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 26 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
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Old 05-29-2025, 12:25 PM   #6
Louisvillekytruck
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Re: Where to have Rochester Monojet Rebuilt?

Great information
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Old 05-29-2025, 12:35 PM   #7
cericd
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Re: Where to have Rochester Monojet Rebuilt?

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Old 05-29-2025, 01:58 PM   #8
Rust_never_sleeps
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Re: Where to have Rochester Monojet Rebuilt?

Quote:
Originally Posted by MikeB View Post
For some reason our 67-72 ChevyTrucks forum wants to display photos with the longest side horizontally.

What I do is crop the photo using Google Photos, or simply take it in the landscape mode to begin with. (That's with the phone held sideways.)

Here's an example. Photo on left was not taken that way, of course, but gets rotated 90 degrees left when I attach it here. On the right is the same photo, but I cropped it.

Go figure.
it tries to read the indexing information your phone recorded and interpret “which way is up” from that, but it gets confused.
Try orienting your phone the other way and you might have better luck
on a Mac, you can rotate them after the fact with "sips -r 90 IMG_7849.jpeg”
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Old 05-29-2025, 02:05 PM   #9
custom10nut
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Re: Where to have Rochester Monojet Rebuilt?bs

If you have a work space ( wouldn’t recommend the Dining Room Table), why don’t you get a rebuildable kit ad do it yourself?
It may sound like a difficult, but it really isn’t.
Just have a well lit, clean workspace, keep all the screws and parts organized, and don’t let ANYONE else touch anything.
I’ve rebuilt numerous Carbs, of all makes, and have never had an issue with them.
BTW, I’m no Rocket Scientist, so I’m Ellington ya, you can do it.
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Old 05-29-2025, 02:14 PM   #10
Rust_never_sleeps
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Re: Where to have Rochester Monojet Rebuilt?

Lars Grimrud in CO was still doing them recently, but I can’t find a working contact for him. Maybe the forum can help, or maybe he’s fallen off radar for a reason

Rebuilding yourself doesn’t take much time if everything goes right. Otherwise, it’s a variable speed timesuck and trigger for existential crisis…..or so I have heard
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Old 05-29-2025, 02:25 PM   #11
awryexperiment
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Re: Where to have Rochester Monojet Rebuilt?

Thanks for the photo posting tips and corrections!
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Old 05-29-2025, 03:35 PM   #12
cericd
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Re: Where to have Rochester Monojet Rebuilt?

Quote:
Originally Posted by awryexperiment View Post
Thanks for the photo posting tips and corrections!
If you are on a Windows PC, you can open the images in Paint (or several other programs) and they will show up how they will look on the forum. If they're flipped wrong, you can use the Rotate function to correct their orientation. Use File > Save to save the change and your done. Not even necessary to change the file name. It's not as simple as posting a sideways/upside down image from a mobile device but much more pleasing to look at. Unfortunately it’s been a known issue with vBulletin based forums for forever and they’re not interested in fixing it so it’s up to the forum users to fix their own pics.
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My 1970 SWB C/10 - https://67-72chevytrucks.com/vboard/...d.php?t=534872

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Old 05-30-2025, 02:25 AM   #13
Hidesertchevy
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Re: Where to have Rochester Monojet Rebuilt?

Carb shop Ontario California.
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