Battery hold down bolt

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Wallace6

Full Access Member
Joined
Aug 4, 2023
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77
Location
Wyoming
First Name
Ray
Truck Year
1987
Truck Model
Suburban
Engine Size
350
Anybody know what size bolt holds the battery down? Thanks
 

Blue Ox

Turning Diesel Fuel Into Fun
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LI-NY
First Name
Derek
Truck Year
MCMLXXXV
Truck Model
K20HD
Engine Size
6.2L
Or M8x1.25. GM was kinda squirrely about metric / fractional back then.
 

bucket

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Usually not in Ohio
First Name
Andy
Truck Year
'77, '78, '79, '84, '88
Truck Model
K5 thru K30
Engine Size
350-454
It depends on the year. Earlier trucks were a stamped hold-down with a standard bolt. Later trucks had the plastic block type hold down with the long metric bolt.
 

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