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01-30-2005, 10:04 PM
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#1 | |
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,285
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sbc engine question
i found a sbc engine in the junkyard im thinking about getting for my k20... i put a belt on the crank pulley and turned it a full turn easy. its in a 55-59 2 ton...
the question is, what kind of SBC has the 13/16" spark plugs like ford and IH used? the rear number is: 3970010 (decodes as 327/350 on mortec.com) suffix code is: ONV (couldnt find it online) it is sitting on a hacked-in 73/87 crossmember, with a 73-87 alt/water pump set up, and 67-72 angled back rams horns.... it has a 2 bbl carb, points ignition, and i dont remember it having a oil tube on the intake
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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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01-30-2005, 11:43 PM
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#2 |
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Registered User
Join Date: Nov 2004
Location: Claysburg, Pa
Posts: 408
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your numbers on the front are only nv that meens its a 61 truck 283 185 hp
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01-30-2005, 11:53 PM
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JUNK COLLECTOR!!!!!
Join Date: Jan 2005
Location: Spokane, WA
Posts: 514
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3970010 was only a big bore smallblock (327/350) i thought. can you find the date codes? mortec.com should say where to find them. 0010 blcoks are good blocks, high nickel content
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 baby The dark side! 2000 XLT PSD F-250 4x4! Offroad package 1970 C10 Short-step soon to be short fleet, maybe? Corvette in truck's clothing in work! Corvette IFS, IRS, TPI and Doug Nash 4+3 |
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01-31-2005, 11:07 PM
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#4 |
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Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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The older heads used from about 1970 back used plugs with a 13/16" hex, but the threaded part was smaller than that of a Ford plug.
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