Re: Doing LS Swap - I have no idea what I'm doing!
I had a 1999 Trans Am and the stock manifolds did not fit. Headers might have. I went with Speed Engineering Headers and they needed some work too. I have this in a 72 Blazer with ICT mounts and all the way back so the Stock oil Pan would clear. If you choose to purchase a harness, someone on here will snatch up the stock unit.
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