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Big bore kit or fcr mod first?

172 Views 1 Reply 2 Participants Last post by  amcf18
Title lays it out.

I have an 04 Z I’m planning on doing a 434 bbk on

as of now I have powerbomb header with lexx mxe exhaust, K&N filter, airbox with modified lid (it’s got holes drilled), not sure how it’s jetted, but currently on stock carb… it runs strong but I’d like to add a little more umph

I don’t know if I should do the fcr mod first or go ahead and throw the bbk in….I know it’s gonna want more fuel but I’m just looking for direction to start seeing as I’m 20 years late and all the posts are outdated with broken links or the forums are dead
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IMO, you will feel the difference more in the the big block. I would start there.
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