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Re: 010 block?
supposedly, an 010 020 block is a high tin/ high nickle content block. i have one here, 2 bolt main, 010 020... pistons are worn completly out, and 5 of them had both compression rings broke. not a single scratch or ridge on the cylinder.
now with that said,i dont think a 3970010 block is neccasirly an 010 block, it has to have 010 020 under the timing cover and above the oil filter
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ASE Master Certified-GM Trained-Mechanic
1968 Chevy C30 157" WB Wrecker
1969 Chevy CST/10 SWB
1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed
1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205
1974 Chevy Custom Deluxe/10
1979 Chevy Custom Deluxe K10 farm truck beater
1989 Chevy K2500
Quote:
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Originally Posted by Alan Jackson, Cause I'm a country boy
35s whinin on the asphalt, grabbin mud, throwin up some red dirt
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R.I.P. Michael Stilts... I will always love and miss you brother! (9-12-80, murdered 4-9-05) 
Last edited by Blue_71; 11-14-2007 at 07:37 PM.
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