All the mods listed below with the exception of the cam it'll be larger are going on/in my new 383. The pcm was tuned for the stock bottom with all of that stuff, will it be safe to use it with the 383 during break in or should I get it reflashed?

Thanks in advance,
Matt

 

I would play it safe and have it re-flashed, or at least talk to one of the supporting vendors on this site that do the mailorder tunes and see what they think.

 

Give Jeff Creech a call at Carolina Auto Masters. He's a great tuner and can advise you; he's also not to far from you and you may want to have him dyno tune your car after the break-in period.

 

It'll be fine.

I would also argue that, as long as the MAF isn't max'd out (500+ rwhp), then the tune won't do that much anyway. The tune is mainly for idle issues, shift points, fan on/off, etc. . . anyway.

Mike

 

Thanks for the replies guys.