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Crossfire TB Boring/Bushing

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Old Jun 2, 2015 | 09:02 PM
  #1  
gheatly's Avatar
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Car: 1982 Z-28
Engine: 5.7L Crossfire
Transmission: TH-350
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Crossfire TB Boring/Bushing

Since DCS closed down,is there anyone left who can bore and bush the Crossfire 1-bbl throttle bodies?
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Old Jun 3, 2015 | 07:57 AM
  #2  
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Car: 1982 Recaro TA, 1989 TTA#948
Re: Crossfire TB Boring/Bushing

I think a carburetor rebuild/restorer can do this. I remember seeing it advertised somewhere.
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Old Jun 3, 2015 | 08:31 AM
  #3  
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From: NYC
Car: 1982 Recaro TA, 1989 TTA#948
Re: Crossfire TB Boring/Bushing

This guy does it. But I never heard of him.
http://www.musclecarsoftexas.com/cro...ction-1982-84/
A crossfire TBI done right will still have the balance ports on it, so that would be a good question for him if you decide to give him a call.
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Old Jun 3, 2015 | 12:00 PM
  #4  
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From: Dallas, TX
Car: 1982 Z-28
Engine: 5.7L Crossfire
Transmission: TH-350
Axle/Gears: GM Posi, 3.73
Re: Crossfire TB Boring/Bushing

balance ports - yes, that is what I was worried about. DCS did them right. Thanks for the info!
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Old Aug 9, 2015 | 09:05 PM
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Re: Crossfire TB Boring/Bushing

Originally Posted by gheatly
balance ports - yes, that is what I was worried about. DCS did them right. Thanks for the info!
gheatly- Did you ever get yours done?

FWIW- Maxbore did mine. Balance ports were left in place too. Jorge does an awesome job. He got mine out to 1.92" and did the bushings too.

http://maxbore.com/
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Old Aug 10, 2015 | 07:25 PM
  #6  
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From: OC CA
Car: 75 Beast
Engine: 383 +EBL Flash
Transmission: 700R4
Axle/Gears: 4.11 with 33"
Re: Crossfire TB Boring/Bushing

Try - he does a very good job with TB's

http://www.rvmorsemachine.com/product.htm


//RF
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Old Feb 6, 2016 | 07:33 PM
  #7  
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From: HONOLULU HI
Car: 83 Z28 Crossfire
Engine: 305
Transmission: 700R4
Axle/Gears: 3.23
Re: Crossfire TB Boring/Bushing

I still have a set sleeved to about 50mm
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Old Jan 17, 2020 | 12:19 PM
  #8  
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Car: 1982 corvette
Engine: 406 dart sbc
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Re: Crossfire TB Boring/Bushing

I know this is an old thread.. kauboy you say u have a pair that are 50mm im curious do you know how much cfm you get out of them? thx
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Old Jan 17, 2020 | 01:06 PM
  #9  
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From: HONOLULU HI
Car: 83 Z28 Crossfire
Engine: 305
Transmission: 700R4
Axle/Gears: 3.23
Re: Crossfire TB Boring/Bushing

Originally Posted by mjohn
I know this is an old thread.. kauboy you say u have a pair that are 50mm im curious do you know how much cfm you get out of them? thx
Not sure on CFM, but the guy I bought them from was going to put them on a built 383 sbc.
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Old Jan 21, 2020 | 07:28 AM
  #10  
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From: HONOLULU HI
Car: 83 Z28 Crossfire
Engine: 305
Transmission: 700R4
Axle/Gears: 3.23
Re: Crossfire TB Boring/Bushing

Originally Posted by kauboy
Not sure on CFM, but the guy I bought them from was going to put them on a built 383 sbc.
Still for sale
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Old Jan 21, 2020 | 08:36 AM
  #11  
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From: North Carolina
Car: 1987 IROC Z28
Engine: 5.0 liter
Transmission: 700R-4
Axle/Gears: 273 posi trac
Re: Crossfire TB Boring/Bushing

Originally Posted by kauboy
Still for sale

Do you have some pics? How much are looking to get for them?




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Old Apr 17, 2022 | 06:35 PM
  #12  
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From: Boston, MA
Car: 1983 Pontiac Trans Am Daytona 500
Engine: Crossfire 305ci V8
Transmission: Jasper 700R4 4 speed Automatic
Axle/Gears: 3.23 limited slip/posi
Re: Crossfire TB Boring/Bushing

Originally Posted by kauboy
Still for sale
im interested

are there any current boring solutions

Last edited by KITT1983; Apr 17, 2022 at 06:47 PM.
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