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Engine mount bolt question

Old 04-07-2005, 09:14 AM
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Car: 1981 Chevy Malibu, 1987 Formula 350
Engine: 229 V6, L98 TPI 350
Transmission: TH350, 700R4
Axle/Gears: 10 bolt ???, 9 bolt 3.27 posi
Engine mount bolt question

Okay, so I'm not the most organized person, and unfortunatly due to construction going on, the garage was far from clean/neat/organized when i started the engine swap.....I seem to have lost the bolts that go through the engine mount and hold the engine in place....I know theyre big, but i dont know what dimensions or whatever....
I went to autozone and they dont sell stuff like that i guess, what should i do? i dont really wanna have to spend a few hours in the junkyard trying to rip some bolts out of another car, so is this bolt something i can grab from a hardware store?
If so, what dimensions?
Thanks,
-Chris
Old 04-07-2005, 02:04 PM
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Car: '91 Z28
Engine: L98 5.7L TPI
Transmission: 700R4
Axle/Gears: 323's
well, i'm thinking they have to be a certain tensile strength, so i'd just get them from a dealer and not have to guess. but that's just me. jegs or summit probably sell them, too.
Old 04-07-2005, 02:20 PM
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Car: 88 IROC-Z
Engine: L98
Transmission: TH350
Axle/Gears: 3.45
ARP makes engine mount bolts. Check Jegs for the right size.
Old 04-07-2005, 02:37 PM
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GM part # 12337919. 7/16-14x5.00 specs per GM. I would use a factory part because I believe the bolt has a built in washer type head.
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