Looking for a Bolt Kit for 1990 Mercruiser 5.7

carrera205

Seaman Apprentice
Joined
May 2, 2011
Messages
45
I'm dropping a new long block into my boat and I'm trying to find where i can find a diagram of all the bolt sizes and lengths. After pulling the old engine out two years ago the old bolts for all of the accessories and things got tossed in the trash. I have the Mercruiser Repair Manual from Seloc but it doesn't have anything on the bolts. I'm dropping a new long block chevy 5.7 from ATK Marine. It's the engine that'll replace the old 1990 5.7 Mercruiser.
 

Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
Messages
19,344
Most are 3/8 x 16 NC lengths from 1/2 inch to 2 1/2 inches, flywheel bolts are specific.
 
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