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#1
06-30-2023, 06:41 PM
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64 LeMans Rear End
What rear end options came with the 64 LeMans 326 package?
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Tom 1964 GTO Custom Convertible |
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#2
07-01-2023, 08:30 AM
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3.23 was standard with a 3.08 optional for either the 2bbl or 4 bbl LeMans with the 326.
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#3
07-01-2023, 09:13 AM
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Thank you!
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Tom 1964 GTO Custom Convertible |
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#4
07-01-2023, 10:22 AM
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There were a few more options available. Below is from the '66 Pontiac Chassis Parts Manual.
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My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic. Last edited by Bill Hanlon; 07-01-2023 at 10:29 AM. |
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#5
07-01-2023, 01:31 PM
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Thank you as well!
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Tom 1964 GTO Custom Convertible |
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#6
07-06-2023, 12:53 AM
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My '64 326, 2 bbl, ST 300, had a 2:56 open rear end.
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#7
07-06-2023, 02:08 AM
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My Le Mans convertible was factory equipped with a 250 hp 326 2-barrel, ST300 2-speed auto and a 2.93 open rear, also has factory air conditioning.
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/2.56 2002 WS6 Convertible LS1/4L60E/3.23 |
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#8
07-06-2023, 08:10 AM
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That's kind of what I was afraid of. My '64 LeMans has a 2:56 open. I was eyeing up a 326 LeMans with a bad frame just for the possible posi with higher gearing. But's it's gone from FB marketplace now....=( The search continues.
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Tom 1964 GTO Custom Convertible |
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#9
04-09-2024, 03:11 PM
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If anyone is curious, I did a rear end swap this winter. Installed the Yukon 3.55 Duragrip posi. The rear end I pulled out calculated to a 2.78 open. That's from my car which originally was a 215 IL-6 LeMans with a 2-sp Air Cooled AT.
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Tom 1964 GTO Custom Convertible |
| The Following User Says Thank You to 64-389 For This Useful Post: | ||
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#10
04-10-2024, 08:28 AM
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I'll bet it feels like a whole new car!
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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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#11
04-10-2024, 03:32 PM
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Quote:
 Hope to be much better prepared for Norwalk this year.
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Tom 1964 GTO Custom Convertible |
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#12
04-10-2024, 04:50 PM
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might be too late for you but I learned a trick about breaking them in
put the car on lift or good solid jackstands and let it idle in gear for at least 30 minutes. A buddy that had a trans shop showed me this.
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Everything comes and goes Pleasure moves on too early And trouble leaves too slow |
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#13
04-12-2024, 10:43 AM
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That's a good idea. Too late for my car, yes, but we're also thinking about changing my Dad's out. We can certainly use it for that!
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Tom 1964 GTO Custom Convertible |
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