Author Topic: Machinist In Bay area, or someone with machine equipment?  (Read 1671 times)

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Offline Brandotheamazing

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Machinist In Bay area, or someone with machine equipment?
« on: November 30, 2010, 07:02:13 PM »
Hey, I'm about to start moving foward with my 550 build. I'm starting with stock 650 pistons, but need machine work. If someone knows a good machine shop, or someone with an old bridgeport in good working order that wouldn't mind making a friend and letting me use it, i'd show up with food-beer-or money if you're not interested in a friend and just for buisness. I'd also need someone to do the cylender ore.

thanks for the help!
-Brendan

Offline q2418130103p

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Re: Machinist In Bay area, or someone with machine equipment?
« Reply #1 on: November 30, 2010, 07:06:03 PM »
How do you plan on using 650 pistons in a 550?  Are you using a 650 head?
Check out my CB550 project thread:
http://forums.sohc4.net/index.php?topic=83097

Offline camelman

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Re: Machinist In Bay area, or someone with machine equipment?
« Reply #2 on: November 30, 2010, 08:47:50 PM »
JP Morgen at Morgen Machining is my go-to guy.  If he can't bore the cylinders (small cylinders need non-typical equipment), then you might try Lonnie Jensen Company.  If they can't do it, then go to Engine Dynamics in Petaluma.  They can definitely bore that block for you, but are a little expensive and far away.

There's a guy on this forum in Virginia who will bore them too.  He charged me $180 a while back for a 466 kit bore on a 400F.  I can't remember his contact info right now though.

Camelman
1972 350f rider: sold
1972 350f/466f cafe: for sale
1977 CB400f cafe:sold
1975 CB400f rider: sold
1970 CB750 K0 complete bike: sold
2005 Triumph Sprint ST 1050 rider

We've got to cut it off... and then come down on rockets.  (quoted from: seven minutes of terror)

Offline Brandotheamazing

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Re: Machinist In Bay area, or someone with machine equipment?
« Reply #3 on: December 01, 2010, 08:56:33 AM »
I am either going to use a 650 head, or mill the pistons down and cut reliefs for the valves. Wichever one happens first I guess.
-Brendan

Offline q2418130103p

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Re: Machinist In Bay area, or someone with machine equipment?
« Reply #4 on: December 01, 2010, 07:26:10 PM »
I might be totally wrong about this, but I imagine that the 650 piston is rather domed, and you would have to take off a lot of material to get it to fit in a 550 head.

If you are going to mill pistons down I think the 750 flat top piston would probably be easier.
Check out my CB550 project thread:
http://forums.sohc4.net/index.php?topic=83097

Offline stueveone

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Re: Machinist In Bay area, or someone with machine equipment?
« Reply #5 on: December 02, 2010, 11:21:07 PM »
I go to Petaluma twice a week for work if you need someone to run the cylinder up there.

Offline Brandotheamazing

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Re: Machinist In Bay area, or someone with machine equipment?
« Reply #6 on: December 03, 2010, 03:49:45 PM »
hey stu, thanks man, i'm gonna do a little more research on what parts i'm using and i'll hit you up.
 -ROCK'N'ROLL!
-Brendan

Offline SilentSteven

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Re: Machinist In Bay area, or someone with machine equipment?
« Reply #7 on: December 05, 2010, 12:30:38 AM »
You can send it over to APE to have them do machine work. They charge $189 to bore out our cylinders.

http://www.aperaceparts.com/machining.html