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Author Topic: Intake Manifold date code  (Read 1925 times)

highway star

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Intake Manifold date code
« on: May 01, 2021, 05:14:14 PM »
Pontiac 400 intake manifold has a date code L027, is this Dec. 2, 1977? Thanks!
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Maxthe222

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Re: Intake Manifold date code
« Reply #1 on: May 02, 2021, 12:13:37 AM »
Sounds spot on to me, applicable to all 1978-79 350/400 Pontiac motors
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1987 T/A GTA L98
1979 T/A Y84 WS6
1979 F/A W72 WS6
1978 T/A L80 WS6
1978 Formula L80 W50
1971 Formula 400 4-Speed

Re: Intake Manifold date code
« Reply #1 on: May 02, 2021, 12:13:37 AM »
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