Reliability of a blown 4.6

I'm not really sure about this, im really wanting to charge my Mach 1 of get a 00+ GT thats charged up, with a low boost let say a car has 15K miles and you throw one on, driving nicely with the occasional 1/4 run, how many miles can you expect before you have problems. I know this is a hard question but has anyone blown theirs after a blower, if so when was it put on what year is it how hard do you drive it and how many miles were their when you had problems.
 
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I've got 15k on my Roush with about 6k being blown. No problems so far here *knock on wood*.

The car was professionally tuned my Mike Murillo and sees occasional boost. Been raining too much here lately.... :notnice:
 
Couple of factors you must consider

1) tune. This is the most important. Detonation will blow your motor....fast. Make sure your're tuned by someone reputable and consevative!

2) If your 5 speed you've got a forged crank. But those pistons and rods won't hold more than 400 rwhp for too long.Don't get gready and your block will last 100,000 plus!