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1987 Gmc Jimmy Gm 8 1l V8

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Dual Optima YellowTop batteries juice the massive 8.1L GM V-8. Providing cooling is a radiator from a 6.6L Duramax diesel with dual 17-inch Flex-a-lite electric fans. Transmitting the estimated 425hp is a fully-built TH400 that’s mated to a NorthWest Fab-sourced NP205 transfer case.