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09-20-2002, 02:12 PM
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#1 |
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Registered User
Join Date: Jun 2002
Location: Dallas
Posts: 31
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cooling question
Would a two row radiator and a shroud be enough cooling for a sb 400 without a/c? Thanks.
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'68 C/10, SWB, 396/350, PS, PB, A/C '68 C/10, SWB, 400sb/350 |
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09-20-2002, 02:22 PM
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#2 |
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Senior Member
 
Join Date: Jul 2000
Location: North Texas
Posts: 3,666
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Probably, if it's not clogged up. My 383 has A/C and a new 2-row radiator. It's marginal in the Texas summer, heating up to 220 degrees in traffic with the A/C on. I think boilover temp with a 50/50 mix and good pressure cap is around 250 degrees, so I'm still OK at 220. Once I'm moving, the temp drops to around 190. If I had to do it again, I'd get the 3-row. Just as important are a good water pump (I have a Stewart), fan clutch, and fan shroud.
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Mike 1969 C10 LWB -- owned for 36 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- converted from 250-six to roller cam 350, Vortec heads -- sold 1981 C10 Silverado LWB, 305, TH350C -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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09-20-2002, 06:35 PM
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#3 |
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Registered User
Join Date: Nov 2000
Location: chimayo, nm, usa
Posts: 898
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I'm running a 4-Row on my hyped 327, and it never passes cool-normal. Previously I had a 2-Row, and it would heat up.
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09-20-2002, 10:06 PM
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#4 |
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Registered User
Join Date: Aug 2001
Location: Long Beach, Ca
Posts: 1,432
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An alluminum 2 row w/ 1 inch tube might do it.
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71 LWB 350/350still working on it but it's going tp be sweet. www.geocities.com/stevemau/slam33page.html " TARGET=_blank>http://www.geocities.com/stevemau/slam33page.html?1004806705410 </A> |
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09-20-2002, 11:49 PM
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#5 |
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Registered User
Join Date: Jan 2001
Location: Orem, Utah
Posts: 8,021
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You might get away with it, but why take the chance? I'm building a 400sb for my 70, and it's getting a 4-core. The worst enemy a 400 has is heat, and it's getting harder to find good blocks.
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I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson |
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