factory dual quad manifold

Here’s the updated list for the 1957 ECG-D dual quad intake manifolds. Looks like most months are accounted for except November 1956. It will be interesting to see if there are manifolds dated before or after what’s listed. As it stands right now, production took place from Oct 15, 56 thru Jun 11, 1957. With such a small sampling, the odds are good that the actual production went both earlier and later than this.

10-15-56 (JH)

12-5 (JH & RH), 12-6 (RF & Marc), 12-7 (HAMB), 12-13 (JH), 12-14 (EP & Ted), 12-17 (TD), 12-18 (CM), 12-18 (Cliff), 12-20 (EBay 3/25), 12-21 (Ted & EBay 2/25), 12-26 (Ebay 3/25), 12-28 (JH)

1-3 (JH from Ebay & CM & ChMcC), 1-9 (DK & NoShortcuts), 1-11 (RG), 1-15 (Facebook), 1-16 (CM), 1-18 (JH & WH), 1-22 (Genuinerod & Ted), 1-23 (Robs36Ford),

2-4 (JH), 2-7 (JH from Ebay & SL444), 2-18 (JH & SL444), 2-28 (EP & JH),

3-4 (EBay), 3-6 (JH), 3-7 (JH), 3-8 (JH), 3-13 (EP & JH), 3-14 (Ebay 2/25), 3-23 (WH), 3-26 (Mike), 3-29 (EP & JH & Ted)

4-1 (SL444), 4-2 (EBay Nov 2019), 4-3 (JH), 4-9 (EBay Nov 2019), 4-11 (rpm)

5-8 (JH from Ebay), 5-10 (EBay & CM), 5-14-57 (Fall Carlise), 5-27 (EBay 2/25), 5-28-57 (fakirone)

6-3 (JH), 6-5-57 (Ted), 6-6-57 (Flatrod & JH), 6-10 (JH), 6-11 (Robs36 & Robs36)

Illegible date (easyissy)

No date (CL & EBay & SL44 & WH & Easyissy & RW/Ted)

Totals by month
Oct 56 - 1
Nov 56 - 0
Dec 56 – 16
Jan 57 – 13
Feb 57 – 7
Mar 57 – 12
Apr 57 – 5
May 57 – 6
Jun 57 – 7
Missing and Illegible – 6

New information is always welcome. The best information I have is that there were ~5500 ECG-D 2X4 dual intakes made for the 1957 model year. Some of those were for parts or counter sales so all did not go on factory equipped vehicles. Unless the date on an EBay offering is new to the list, it’s typically not included as some of those manifolds are simply being swapped about which makes duplication on the list far too easy.
[edited to include the intake posted by rpm]

Lorena, Texas (South of Waco)

Author	Message
Ted	Posted 2 Years Ago
Co-Administrator Group: Administrators Last Active: 2 hours ago Posts: 7.4K, Visits: 205.1K	Here’s the updated list for the 1957 ECG-D dual quad intake manifolds. Looks like most months are accounted for except November 1956. It will be interesting to see if there are manifolds dated before or after what’s listed. As it stands right now, production took place from Oct 15, 56 thru Jun 11, 1957. With such a small sampling, the odds are good that the actual production went both earlier and later than this. 10-15-56 (JH) 12-5 (JH & RH), 12-6 (RF & Marc), 12-7 (HAMB), 12-13 (JH), 12-14 (EP & Ted), 12-17 (TD), 12-18 (CM), 12-18 (Cliff), 12-20 (EBay 3/25), 12-21 (Ted & EBay 2/25), 12-26 (Ebay 3/25), 12-28 (JH) 1-3 (JH from Ebay & CM & ChMcC), 1-9 (DK & NoShortcuts), 1-11 (RG), 1-15 (Facebook), 1-16 (CM), 1-18 (JH & WH), 1-22 (Genuinerod & Ted), 1-23 (Robs36Ford), 2-4 (JH), 2-7 (JH from Ebay & SL444), 2-18 (JH & SL444), 2-28 (EP & JH), 3-4 (EBay), 3-6 (JH), 3-7 (JH), 3-8 (JH), 3-13 (EP & JH), 3-14 (Ebay 2/25), 3-23 (WH), 3-26 (Mike), 3-29 (EP & JH & Ted) 4-1 (SL444), 4-2 (EBay Nov 2019), 4-3 (JH), 4-9 (EBay Nov 2019), 4-11 (rpm) 5-8 (JH from Ebay), 5-10 (EBay & CM), 5-14-57 (Fall Carlise), 5-27 (EBay 2/25), 5-28-57 (fakirone) 6-3 (JH), 6-5-57 (Ted), 6-6-57 (Flatrod & JH), 6-10 (JH), 6-11 (Robs36 & Robs36) Illegible date (easyissy) No date (CL & EBay & SL44 & WH & Easyissy & RW/Ted) Totals by month Oct 56 - 1 Nov 56 - 0 Dec 56 – 16 Jan 57 – 13 Feb 57 – 7 Mar 57 – 12 Apr 57 – 5 May 57 – 6 Jun 57 – 7 Missing and Illegible – 6 New information is always welcome. The best information I have is that there were ~5500 ECG-D 2X4 dual intakes made for the 1957 model year. Some of those were for parts or counter sales so all did not go on factory equipped vehicles. Unless the date on an EBay offering is new to the list, it’s typically not included as some of those manifolds are simply being swapped about which makes duplication on the list far too easy. [edited to include the intake posted by rpm] Lorena, Texas (South of Waco)
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rpm	Posted 2 Years Ago
First Time Poster Group: Forum Members Last Active: 10 days ago Posts: 1, Visits: 16	4-11 1956 F-100 1969 Mach 1
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factory dual quad manifold

factory dual quad manifold

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