I have two fresh motors a 455 and a 400 both are broke in on the test stand.
A 406 with a torqer intake that has super throttle response with a little attitude
And a 462 with a 90916 cam and 9:89:1 compression.
Both motors have been run in on the test stand. there both ready to bolt in.
For the cost of dyno time can do that also. $6500.00 and $3500.00
Good luck on your decision. Run the 350 for now It's summer time.
Do the change come winter. ooohh winter such a bad word.
GT
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