2 or 4 bolt
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Junior Member
Joined: Nov 2006
Posts: 30
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Car: 84 Z28
Engine: LG4
Transmission: 700R4
Axle/Gears: 3.23
2 or 4 bolt
Does anyone happen to know if most camaros or if my 84 Z28 has a 2 bolt or a 4 bolt main on the engine? thanks id appreciate it.
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Joined: Dec 2006
Posts: 55
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From: baton rouge,louisiana
Car: '88gta
Engine: 383 tpi
Transmission: 700r4
Axle/Gears: 3:23 australian 9 bolt posi
Hey lanmankilla,
It's my understanding that most if not all thirdgen "production" blocks
( 305+350) were 2 bolt blocks. The 4 bolt blocks were used in "police"
packages. 4 bolt main blocks are available from GM in the $800 dollar
range. There are LOADS of 2 bolt main blocks on the street at/near
the 600hp level. The only way to really tell which block you have is
to pull the oil pan. Happy New Year !!
Hey Moe, no wonder the water don't work -
These pipes is clogged up with wires!
Jerome Howard - 1939
It's my understanding that most if not all thirdgen "production" blocks
( 305+350) were 2 bolt blocks. The 4 bolt blocks were used in "police"
packages. 4 bolt main blocks are available from GM in the $800 dollar
range. There are LOADS of 2 bolt main blocks on the street at/near
the 600hp level. The only way to really tell which block you have is
to pull the oil pan. Happy New Year !!
Hey Moe, no wonder the water don't work -
These pipes is clogged up with wires!
Jerome Howard - 1939
Last edited by T-rick'srod; Jan 3, 2007 at 04:41 PM.
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Joined: Jan 2000
Posts: 20,981
Likes: 11
From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
It'll more than likely be a 2 bolt block, and you'll more than likely never need to care.
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