Will the top engine cover from a late model work on an early model engine? Specifically my 63 Rampside with this top cover assembly: http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=120660288989&viewitem=&sspagename=STRK%3AMEWAX%3AIT Harry Smith "THERE IS NO TRY, THERE IS ONLY DO OR DO NOT"