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Old 07-28-2010, 03:18 PM   #1
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Join Date: Jul 2010
Posts: 23
84 z28 H.O. Overheating

I replaced thermostat, made sure there was a flow through radiator, and replaced radiator hoses. Any suggestions on why it could still be overheating. I used a 190 thermo but was told i should get a 160. Its all original and I wanna keep it that way.
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native1031 is offline   Reply With Quote
Old 07-29-2010, 12:19 PM   #2
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Join Date: Jul 2002
Location: Friendswood, TX, USA
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Is the gage reading right? How "hot to the touch" is it while it's running?
NQR Racing
Blk 84 Z28 (race car)
Wht 97, M6, SS, Conv., Bld. #35, Free Mods., 160* thermo., 3:73 Gears, MSD Coil & Wires
14.045 1/4m @ 99.52mph, 3816lb., sea level, 87*
Z28SORR is offline   Reply With Quote
Old 07-29-2010, 02:58 PM   #3
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Yea, i beleive it to. Top radiator hose is not burning hot but i cant hold onto it when its hot. I also ordered like a 178 on 168 off fan switch and 160 thermo. The air dam is in place with maybe a little peices missing from the edge. Might have had a part of the bottom broken off but im not sure. As of now i have no thermo and fan running all the time basicaly cus i just took of the ac switch so just my fan turns on and its running about 190
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Old 07-29-2010, 02:58 PM
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