03-30-2011, 05:54 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,513
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Quote:
Originally Posted by undy
The only 100% way to tell what motor it is, is by measuring bore and stroke. There's been many 390s and 428s that have been "cross-bolted" after the fact, so a bottom picture doesn't guarantee anything either. There are also non-cross bolted factory 427s too. Depending how the builder wanted things to look, screw-in freeze plugs is also an indicator of a 427...
If ya gotta know, pull the oil pan and measure bore and stroke. |
Or, ask the seller if he has build documents on the engine. If it was put together by a reputable builder he should have data sheets that should (no sure thing however) shed light on what it is. |