Yeah that's the killer is the headers. For an LT1 you really have to buy aftermarket things and you know a 4th gen LT1 engine bay is way too cramped. If I had an LS I would probably to turbo before before s/c because I could flip manifolds and fab a y pipe to a whatever flange, smash one 3" pipe out the passenger side under the manifold. I have my 78 Z I should probably turbo, there's a lot of room.
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95 Z28 hard top - LT1 | 4L60e | bolt ons | Yank SS3600 | suspension | viking coil overs | 3.42 10 bolt | 3520 lbs - 12.331 @ 108.22mph 1.668 60'
08 Saab 9-7x - L96 6.0 swap | L92 heads/intake/TB | LS6 cam | LS9 springs | 7.425" hardened pushrods | CAI | 1-3/4" stepped LT's | catback | 4L60E | FTI 3000 278mm converter
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