Want more power.. dyno'd at 303 whp.

Magic

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Want to stay NA or boost?

A.) If NA, you can keep the stock short (or go 331 or 347) and swap the HCI again. Bigger heads like the 11R Trick Flows and bigger intake, Holley SM or the TFS R...check corral for the various 11R heads. Number of guys are making 350+ RWHP with stock short blocks.

I am sure you can recoup 90% of the $$ from the current HCI.

B.) Now my other suggestion without getting into the above: swap the current TFS intake and TB and step up to something larger (Holley SM or TFS R and a larger TB). Also a large air intake and MAF (assuming you're using something smaller) and retune it. Should pick up some HP there.

The off the shelf TFS package is very cookie cutter, simple basic package. Its definitely better than the GT40 swaps, but leaves you wanting more later as the situation you're in now.
 

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