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#1
07-09-2016, 10:20 AM
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71 GTO bellhousing number
What is the correct bellhousing number for a 71 GTO 4-speed car? Thanks.
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68 GTO Ram Air I Auto, Starlight Black/Teal-Survivor 68 Firebird Ram Air II 4spd, Aegena Blue/Black/Black 68 Firebird 400 Conv. Auto, Red/Parchment/Parchment 69 Firebird Ram Air IV, 4spd Matador Red/Black-Survivor 70 GTO Ram Air III 4spd Conv. burgundy(currently Black)/White/Black 71 GTO 455HO 4spd, Lucerne Blue/Black/Black 71 GTO 455HO Auto, Lucerne Blue/Sandalwood/Blue |
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#2
07-09-2016, 05:06 PM
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Quote:
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#3
07-09-2016, 08:06 PM
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Thanks John!
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68 GTO Ram Air I Auto, Starlight Black/Teal-Survivor 68 Firebird Ram Air II 4spd, Aegena Blue/Black/Black 68 Firebird 400 Conv. Auto, Red/Parchment/Parchment 69 Firebird Ram Air IV, 4spd Matador Red/Black-Survivor 70 GTO Ram Air III 4spd Conv. burgundy(currently Black)/White/Black 71 GTO 455HO 4spd, Lucerne Blue/Black/Black 71 GTO 455HO Auto, Lucerne Blue/Sandalwood/Blue |
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#4
07-09-2016, 08:45 PM
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Is Firebird different? Mine is cast 9785581.
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#5
07-09-2016, 09:16 PM
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Quote:
__________________
68 GTO Ram Air I Auto, Starlight Black/Teal-Survivor 68 Firebird Ram Air II 4spd, Aegena Blue/Black/Black 68 Firebird 400 Conv. Auto, Red/Parchment/Parchment 69 Firebird Ram Air IV, 4spd Matador Red/Black-Survivor 70 GTO Ram Air III 4spd Conv. burgundy(currently Black)/White/Black 71 GTO 455HO 4spd, Lucerne Blue/Black/Black 71 GTO 455HO Auto, Lucerne Blue/Sandalwood/Blue |
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#6
07-10-2016, 10:05 AM
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Again, why would there be a difference?
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#7
07-10-2016, 10:34 AM
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Not sure why the different numbers?
But then again why change any of the years? The bellhousings were basically the same from 68 on? I show your number as for 1968-69 originally. Here is a 71 GTO bellhousing, looks the same as the others though. (has the dual bolt pattern for the toploader tranny also)  Your bellhousing: And a 65 bellhousing: Notice the twisted bolt layouts for 65.
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#8
07-10-2016, 12:21 PM
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I compared with an actual '70 A-body unit, and '73 plus '74 F-body units. All are cast 9785581. '70 A-body assembly manual as well as '70, '73 and '74 F-body assembly manuals list the same 9785581 PN. Parts books also list the same PN.
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#9
07-10-2016, 12:54 PM
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I'm going to agree. Based on my three bell housing for 71 at 9785581 pn
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Mike/Illinois |
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#10
07-10-2016, 11:53 PM
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Thanks guys. Looks like the 581 is the most common one.
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68 GTO Ram Air I Auto, Starlight Black/Teal-Survivor 68 Firebird Ram Air II 4spd, Aegena Blue/Black/Black 68 Firebird 400 Conv. Auto, Red/Parchment/Parchment 69 Firebird Ram Air IV, 4spd Matador Red/Black-Survivor 70 GTO Ram Air III 4spd Conv. burgundy(currently Black)/White/Black 71 GTO 455HO 4spd, Lucerne Blue/Black/Black 71 GTO 455HO Auto, Lucerne Blue/Sandalwood/Blue |
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