Re: 6.0 swap into 1990 RCSB
Holley is 10x better than FiTech. Every FiTech product I’ve used has been garbage. Also, hope you have a plan to wire up the factory gauge cluster or getting an aftermarket cluster. About 85% of LS swaps done on OBS trucks are half-assed and the clusters don’t even work. Take your time and do it right.
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Customization is what you want it to look like -- not what other people think it should look like
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