What does this diagram show?

It shows the rear view of a Ford cylinder block, combining the 302 and 351 SVO blocks in one dimensioned drawing, per the caption "CYLINDER BLOCK – REAR VIEW (COMBINED 302 & 351 SVO)."

Which bank is labeled as 351 SVO?

The left bank is labeled as typical of the 351 SVO; the right bank carries a corresponding 'RIGHT BANK TYPICAL' label that is partially cut off in the scan.

What dimensions are given on the rear face of the block?

Visible callouts include 9.77, 7.220, 4.67, 5.53, 14.960, 14.10, 15.47, 2.900, 5.25, and .56, referenced to datum lines marked 0.

What do the handwritten numbers 1–4 indicate?

They are marker annotations numbering four locations highlighted in pink around the rear face of the block; two more locations are highlighted in blue. The document itself does not explain what the numbering means.

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Ford 302 & 351 SVO Cylinder Block Rear View Diagram - Bellhousing Dimensions

Cylinder block rear-view diagram with hand-numbered bolt locations 1 through 4

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Cylinder block rear-view schematic annotated by hand with numbered bolt locations one through four.

AI caption September 2017 · Photo 59 of 70

This document is a dimensioned engineering-style line drawing showing the rear view of a Ford small-block cylinder block, captioned "CYLINDER BLOCK – REAR VIEW (COMBINED 302 & 351 SVO)." The drawing overlays/combines the 302 and 351 SVO block configurations, with the left bank labeled as typical of the 351 SVO and a corresponding right bank label (partially cut off). Numerous dimensional callouts locate features on the rear face of the block, including values such as 9.77, 7.220, 4.67, 5.53, 14.960, 14.10, 15.47, 2.900, 5.25, and .56, measured from horizontal and vertical datum lines. The scan has been annotated by hand: four bolt-hole or mounting locations around the bellhousing face are highlighted in pink and numbered 1 through 4 with a marker, and two additional side locations are highlighted in blue, presumably to identify specific fastener positions of interest (likely bellhousing or engine-mount bolt holes). A reader can use this drawing to identify the rear-face bolt pattern and dimensional layout differences/commonalities between the 302 and 351 SVO cylinder blocks, and to see which specific holes the uploader flagged.

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Frequently asked questions

What does this diagram show?: It shows the rear view of a Ford cylinder block, combining the 302 and 351 SVO blocks in one dimensioned drawing, per the caption "CYLINDER BLOCK – REAR VIEW (COMBINED 302 & 351 SVO)."
Which bank is labeled as 351 SVO?: The left bank is labeled as typical of the 351 SVO; the right bank carries a corresponding 'RIGHT BANK TYPICAL' label that is partially cut off in the scan.
What dimensions are given on the rear face of the block?: Visible callouts include 9.77, 7.220, 4.67, 5.53, 14.960, 14.10, 15.47, 2.900, 5.25, and .56, referenced to datum lines marked 0.
What do the handwritten numbers 1–4 indicate?: They are marker annotations numbering four locations highlighted in pink around the rear face of the block; two more locations are highlighted in blue. The document itself does not explain what the numbering means.