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Davids63Dart
 Post subject: 170 or 225?
PostPosted: Mon Sep 17, 2007 9:40 am 
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Joined: Fri Aug 10, 2007 3:13 pm
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Location: Wilton, CA
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How do I know what size my motor is? Is there a number somewhere I can check on?

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1963 Dodge Dart -225 Slant 6, 904, 2.76's, 18.84 @ 73
1970 Nova 12.53@108
1970 Bug 15.38@87

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Doc
 Post subject:
PostPosted: Mon Sep 17, 2007 10:05 am 
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The ID is stamped into the block's deck surface, behind the alturnator.
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Davids63Dart
 Post subject:
PostPosted: Mon Sep 17, 2007 11:08 am 
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Location: Wilton, CA
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Thanks, mine says: H225R I22I



so that would mean it's a 225 right?

what's the H, R, and I22I mean?

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1963 Dodge Dart -225 Slant 6, 904, 2.76's, 18.84 @ 73
1970 Nova 12.53@108
1970 Bug 15.38@87

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SlantSixDan
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PostPosted: Mon Sep 17, 2007 11:19 am 
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That's probably a 1972 ("H") 225 engine somebody swapped into your 1963 car, but the rest of the stamping (R and what is probably actually 1221) don't match up with what one would expect to see on a '72 engine.

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Davids63Dart
 Post subject:
PostPosted: Mon Sep 17, 2007 11:20 am 
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What does R and 1221 mean?

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1963 Dodge Dart -225 Slant 6, 904, 2.76's, 18.84 @ 73
1970 Nova 12.53@108
1970 Bug 15.38@87

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SlantSixDan
 Post subject:
PostPosted: Mon Sep 17, 2007 11:37 am 
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Well, the 1221 is a date code, but it does not fit in the range of date codes applied to 1972 engines, which is puzzling given the "H" (1972) year code.

R= passenger car engine (as opposed to truck or industrial or marine).

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