1987 GMC R1500 Sierra Classic

Classic

1987

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Mods

305 SBC, LT1 aluminum heads milled ported and polished, 1.6 slp roller rockers, comp .511/.509 Mutha Thumpr cam, flat top pistons. Lighted and knife edged crank, msd ignition, edelbrock intake and carb, summit long tubes and 2.5" exhaust. 15x10 wheels on all 4 corners (235x65r15 front 265x50r15 rear). 200-4r GN trans with shift kit and 2800 stall. 5% tint on all windows

Build story

Bought this truck for $300 from my buddy who cracked the og 305, bought another 305 stuffed the fancy crank in with factory flat top pistons in the new block, bought the biggest comp mutha thumpr i could find, howard cams street roller lifters, slp full roller aluminum rockers, LT1 aluminum heads that were milled down and modified to fit gen 1 intakes, ported and polished with 3 angle valve job stainless valves heavier valve springs. Edelbrock RPM performer intake port matched. Edelbrock 1406 600 cfm carb. MSD street fire HEI. Summit long tube headers, 200-4r trans out of a Grand National has tci shift kit and monster trans built 2800 stall converter with lock up. Was a daily driver currently apart again to get a new cam and tuned port injection swap

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