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Old 11-10-2009, 06:21 PM
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Bryan59EC Bryan59EC is offline
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The 454 rubber mounts were different on my 79 from a SBC to a BBC
The rubber mounts are the ones that bolt to the frame-----both sets of holes should be in the frame for these.

You will need to change the exhaust to meet up with the BB.

You will need a LARGE radiator (454 trucks got a 4-row), The BB fan shroud, and fan.

Wiring to the front of the motor may need to be lengthend----I was about 2" short for my alternator wiring.

A 454 Flywheel or Flexplate must be used.

Very straight swap with no issues at all-------did mine in an afternoon, and had the exhaust put in the next day (of course I was much younger and had more energy way back then).
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