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Re: 1987 clutch and flywheel sizing
Kipps, check your bolt pattern, to be sure, but on the older trucks, you could bolt an 11" or 12" clutch, on the same flywheel...(the 12 is actually 11.85), & the hat is scalloped to fit the bolts. If you are racing/hy revs, you could spend for a billet flywheel.....but not needed in a stock or mild street app. I used a cast Sachs flywheel on my 5.3, & have no issues with engine balance? For my use, the 69 is a cruiser (may see 5500, from time to time)....I see no issues with the autoparts flywheel  Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....
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