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02-22-2001, 01:06 PM
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#1 |
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Registered User
Join Date: Mar 2000
Location: Elizabethtown ,PA,USA
Posts: 347
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Truck Overheating ?????
Ok, I now have a problem with my rebuilt engine. It is a rebuilt 350, bored 40 over, 400 small block heads, mild cam, and roller rockers. I put a rebuilt water pump on it and a new thermostat. It started to over heat after having the engine in for about three weeks. I replaced the thermostat with a high performance one (both are 190 degree). I am also using that new antifreeze, 150k mile stuff. I also lost my control of my heater. When I got to work today it was overheating off and on, and at lunch time I didnt have to go far, but it almost stayed at 260 the whole time. I open the hood with the truck running and felt the hoses. The ones going into the firewall were cold, the top hose from the thermostat was really hot and the lower one that goes into the water pump was somewhat hot. Can any one give me a clue to what is happening?
Thanks in advance Jerr ------------------ New Project
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1972 Chevy C-10 Short Stepside 6Cyl, 3 spd, not opts (Current Project) Now a 2004 SSR 5.3L with 4L60E Now Ididit tilt- ps, pb 2002 Saturn L200 2006 Toyota Highlander HYBRID |
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02-23-2001, 01:47 PM
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#2 |
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Registered User
Join Date: Mar 2000
Location: Clute, TX.
Posts: 1,935
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get you a mechanical to make sure it is over heating. if it is sounds like maybe a circulation problem. mine when it was overheating, i put new water pump, thermo, and a 4 core radiator. but my problem was the fan. i had to put a new clutch fan. good luck just my experience.
------------------ 85 C10 350/700r4 HOLLEY STREET DOMINATOR IANTAKE EDELBROCK 1406 COMP. SERIES CARB. HYPERTECH POWER COIL FACTORY HEADERS MAGNAFLOW CAT/MUFFLER/3in. EXHAUST 3.42 REAR GEARS PROTHANE SUSPENSION-TOTAL KIT and still going "thats my toy" Jeff Dodson Angleton,Tx.
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2004 Silverado Crewcab 1972 Chevy Monte Carlo 2017 Chevy Tahoe |
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02-26-2001, 02:43 AM
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#3 |
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Registered User
Join Date: Jul 2000
Posts: 117
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If you are using the Dexcool (I think it's red) antifreeze, get it out. I've heard countless people say that when that stuff gets overheated, it breaks down and plugs everything up-even on the brand new vehicles that come from the factory with it. Just remember that Dexcool and green antifreeze are not compatible at all-you'll have to flush it many times to get it all out.
------------------ '93 1/2-ton Cheyenne 2wd 408" smallblock with vortec heads, 9.2:1 CR, Performer Intake, 454 TBI, Comp Cams XE268H cam, custom chip, Thorley headers/true dual exhaust. 375-400 HP. 4L60E w/ Trans-go kit.
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'93 1/2-ton Cheyenne 2wd 408" smallblock with vortec heads, 9.2:1 CR, Performer Intake, 454 TBI, Comp Cams XE268H cam, custom chip, Thorley headers/true dual exhaust. 4L60E w/ Trans-go kit. |
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02-26-2001, 06:11 PM
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#4 |
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Registered User
Join Date: Mar 2000
Location: Elizabethtown ,PA,USA
Posts: 347
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Thanks Adam, I think that us what I am going to do.
Jerr ------------------ New Project
__________________
1972 Chevy C-10 Short Stepside 6Cyl, 3 spd, not opts (Current Project) Now a 2004 SSR 5.3L with 4L60E Now Ididit tilt- ps, pb 2002 Saturn L200 2006 Toyota Highlander HYBRID |
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