Is the turbo kit already on the car and if so is it for a 302? Because you have to consider fitment issues. If it will fit then I'd do a low compression turbo build. It all comes down to installation IMO.
Actually, you didn't confuse me at all, I think you just didn't understand my question. So let me re-phrase it. You said "use THE turbo on it" which would indicate that you already have a turbo. I asked if the turbo was still on the car and if so "is it for a 302 engine?" I asked that because you never specified whether there was a 351W block or a 302 block IN THE CAR itself. I asked my question because I am pretty sure that a turbo system for a 302 won't direct fit on a 351 block which IMO would dictate whether to stay turbo or not. Now maybe you can clarify a few things about the car or the turbo system you're using. Either way, like I said, fitment would be the only reason I wouldn't use the turbo. Either way, good luck...
To avoid further misunderstanding here is a copy/paste of your original post: "Doing a 408 and trying to decide if i do a all motor high compression (maybe bottle) or keep and use the turbo on it? Will be a good fun street terror and occational strip use. Also i have a block thats 40 over,is it safe or recomended to sleeve it to take it down to a 30 over block? peace"
I'm being called a newb by someone who is asking whether or not he should go N/A or turbo on a .040 block? Or if he should sleeve it down to a .030? THAT'S a good one. And sorry bro but I don't answer with simple "yes or no" responses. Any idiot who can type on a computer can say "yes or no". There are reasons for everything. And if you feel that you know all the reasons as to why you should do this or that then you don't need to ask the question in the first place. Or just set up a poll and ask for votes. Anyway, do whatever you want.
And BTW, which "op" did you ask your question? Maybe you don't know this, but YOU are the OP. SMH...
Here is some logical advice. You have a turbo that will fit? Yes. You have a block? Yes. Is the block bore compatible with the hp levels and boost? Maybe. Do you feel comfortable with the block? Obviously not...otherwise you wouldn't be here looking for "yes or no" answers. So you have 2 options. A: Get a different, more compatible block that you'll be nice and comfy with and go turbo. B: Keep the block you have and go N/A. All that coming from a newb
on original topic....i would go 408 with high comp, 93 octane around 11.1 ish with a big ole set of AFR or Trickflows and call it a day all you need and if you think you need more down the road hit it with a little shot of nos! im jealous wish i went 408.................next time!
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