Hey Yuppie,
I was in the same boat as you your mods are almost identical to what I had when I got the chip. I definately noticed a difference in my car. I got a hypertech (off the shelf) this helped only through 3rd and 4th gear. In fact I got my first 4th gear chirp out of it. Now here is the catch. If you plan on throwing heads, cam and whole bunch of more crap on the car like I did don't waste the time on the chip unless you think it will be a while before you do all that and want a bit more extra now. Like I said the main difference I noticed was the car started to pull a lot better in 3rd and 4th then it ever did. Since I upgraded heads and all I decided to upgrade the computer and I got a PMS by Anderson. This thing is a chip plus more. Once it's thrown on the dyno with that you can change anything about your car and that's what I'm using now. No more hypertech chip.
So the moral of the story is... If you are done with mods go ahead and buy the chip. If you are planning a whole lot more then wait on the chip to get a custom one or a better computer such as a PMS or speedbrain (don't know if those are good). Or if you are super rich and don't care about how much money you spend buy the chip in the mean time and sell it to a friend later. That's what I ended up doing, not that I'm rich I just didn't have any good advice.
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Stock Bottom End 302. With TFS stage II ported and milled heads. Anderson B2 cam with 1.6RR. Hooker Full Tube Headers flowing into offroad H-Pipe out Hooker mufflers. Ported Edelbrock Preformer Upper/Lower.
Lots of other Goodies...
Just bought a nice forged 331 stroker kit for a new block that should be ready to take 650hp of abuse.
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