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7.4 throttle shaft and butterflies

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Old Mar 26, 2011 | 10:30 AM
  #1  
noff1313's Avatar
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7.4 throttle shaft and butterflies

I'm looking for replacement parts for throttle shaft and butterflies for the 50mm 7.4L throttle body. Does anyone have a lead, or is the only option to make them?

Does anyone know an way to flow test CFM on altered throttle bodies?
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Old Mar 27, 2011 | 01:22 PM
  #2  
thomas1976's Avatar
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From: West-Central
Car: 91 Trans am
Engine: built 360 TBI
Transmission: built 700r4
Axle/Gears: 10bolt/3.23
Re: 7.4 throttle shaft and butterflies

Could try here

http://www.turbocity.com/default.php...39f0e107257ba5

http://www.cfm-tech.com/

http://stores.ebay.com/TBIPARTS?_trksid=p4340.l2563
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Old Mar 27, 2011 | 03:23 PM
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Re: 7.4 throttle shaft and butterflies

I don't mean to hijack but what about bushings for when the throttle shaft is all sloppy and is causing a vacuum leak? Put a TB spacer on mine today and just so happened to grab a hold of the throttle linkage and thought dang that is loose. Went for a drive and it would be a whistle tip to shame.
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Old Mar 27, 2011 | 06:26 PM
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From: Pacific NW
Car: 89 K3500 Fleetside
Engine: RAT *tbi* EBL
Transmission: TH400
Axle/Gears: 3.73-Dana 60
Re: 7.4 throttle shaft and butterflies

ATS - Zako tool, ZA-05

http://www.supercooltools.com/html/catalog.html

or maybe it's ZA-02, seems to be some confusion.

http://www.throttleshaftrepair.com/p...s/product2.htm

Last edited by xch3no2; Mar 27, 2011 at 06:29 PM.
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Old Mar 27, 2011 | 06:44 PM
  #5  
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Re: 7.4 throttle shaft and butterflies

Originally Posted by xch3no2
ATS - Zako tool, ZA-05

http://www.supercooltools.com/html/catalog.html

or maybe it's ZA-02, seems to be some confusion.

http://www.throttleshaftrepair.com/p...s/product2.htm
That would work but that costs too much for just one throttle body.
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Old Mar 27, 2011 | 07:21 PM
  #6  
xch3no2's Avatar
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Joined: Oct 2009
Posts: 676
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From: Pacific NW
Car: 89 K3500 Fleetside
Engine: RAT *tbi* EBL
Transmission: TH400
Axle/Gears: 3.73-Dana 60
Re: 7.4 throttle shaft and butterflies

Just 4 you Red,

http://cgi.ebay.com/ebaymotors/ws/eB...d=230553699916
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Old Mar 27, 2011 | 07:35 PM
  #7  
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Re: 7.4 throttle shaft and butterflies

Originally Posted by xch3no2
You calling me a tight ***? Because you would be correct. I like the looks of that better. I keep forgetting a carb repair kit will work just as good too.

Has anyone actually had theirs apart? I'm wondering if those diamond coated insanely hard throttle blade screws are reusable or not.

Last edited by oldred95; Mar 27, 2011 at 07:55 PM.
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