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Throttle body size
Anyone know the sizes of the CIS throttle bodies for the 2.7, early 3.0 and late 3.0?
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Magnus 911 Silver Targa -77, 3.2 -84 with custom ITBs and EFI. 911T Coupe -69, 3.6, G50, "RSR", track day. 924 -79 Rat Rod EFI/Turbo 375whp@1.85bar. 931 -79 under total restoration. |
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10-15-2007, 01:20 PM
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Join Date: May 2006
Location: SLC, UT
Posts: 391
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What portion are you wanting measured? Top? Throat/valve? I have mine apart and on the workbench ('78).
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John 1982 911SC Targa ~ Gulf Blue (gone but not forgotten) |
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10-15-2007, 02:55 PM
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Quote:
A - inner diameter at throttle valve: 2.48" (62.99 mm) B - inner diameter at top of throttle body (just before the radius): 2.73" (69.34 mm) C - outer diameter at top of throttle body: 3.15" (80.01 mm) 
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John 1982 911SC Targa ~ Gulf Blue (gone but not forgotten) |
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10-15-2007, 05:19 PM
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You A and B mesures are what I was looking for, thanks!
Anyone that has these numbers fore the late 3.0? I have a 2.7 myself so I can measure that a bit later.
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Magnus 911 Silver Targa -77, 3.2 -84 with custom ITBs and EFI. 911T Coupe -69, 3.6, G50, "RSR", track day. 924 -79 Rat Rod EFI/Turbo 375whp@1.85bar. 931 -79 under total restoration. |
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10-15-2007, 11:10 PM
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1977 Porsche 911 Targa 2.7s
