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#1
02-23-2006, 11:35 PM
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help! crate motor overheating!
So it started up fine, but it's heating up real quick, rising up past 220 in a matter of 5-10 minutes. I've been shutting it off because I won't let it run that hot. It's also drinking coolant like nothing I've ever seen before. I can't tell if it's burning off or what, but I definitely know it's not leaking out anywhere. The 160stat is brand new, water pump is working because I can feel the coolant in the hoses. Any ideas on what the hell is going on?
__________________
 -2000 LS1 Z28-1979 Berlinetta*sold*-1992 RS 25th Anniv. 350*sold*- 
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#3
02-23-2006, 11:46 PM
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Re: help! crate motor overheating!
1. what color is the exhaust 2. how much coolant have you put in it 3. did you bleed the system of air?
__________________
 1995 Camaro - Z28 - M6 - Hardtop 2007 GMC Sierra 2500HD SLT Classic -R.I.P. Andy (Hypsi)-
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#5
02-24-2006, 05:55 AM
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Re: help! crate motor overheating!
You most definetly have air in the system and do yourself a favor if you did not already and get a custom prom. That way your fans come on much sooner.
__________________
RIP Hypsi - I just want to express I will never be the same after having lost such a good friend. You meant alot to me and I feel I am a better person for having known you. Til the day we meet again my friend you will always be in my heart. Mods: Weight reduction (I don't wear underwear)
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#6
02-24-2006, 08:04 AM
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Re: help! crate motor overheating!
The fan's not coming on at all. And how do you bleed air from the system??
__________________
-2000 LS1 Z28-1979 Berlinetta*sold*-1992 RS 25th Anniv. 350*sold*-
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#7
02-24-2006, 10:25 AM
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Re: help! crate motor overheating!
Easiest way is to jack the front end up and make the radiator neck the hightest open part of the system. Take the cap off and crank it up. Let it run til the stat opens then top it off, keep runnig it until there are no more bubbles in the coolant.
If the bubbles don't go away, i hope you didn't throw your receipt away for the motor..... Don't you live in a cooler climate? Think the 160* may be a little bit much.
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#8
02-24-2006, 10:28 AM
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Re: help! crate motor overheating!
Oh, and the fan, take the connector off of the sending unit (between cyls 6 & 8) and ground it to see if the fan comes on. Could just be a loose sending unit? Also never use teflon on these, they are a tappered thread.
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#9
02-25-2006, 12:23 AM
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Re: help! crate motor overheating!
whats your timing like?
__________________
92 z28 camaro 5.7 TPI current - slp intake runners and base-BBK 52mm throttle body-MSD 8.5mm wires, blaster coil, and 6AL Box-edelbrock headers-160 degree stat.-hotchkis strut tower brace waiting in the garage - LQ4, milled heads 317 casting (10.5 to 1), hardened pushrods, ported LS6 oil pump, manley dual spings with titanium retainers, MTI X1 cam, hawks longtube headers 
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#10
02-25-2006, 09:03 AM
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Re: help! crate motor overheating!
It was the fan, it's only coming on with the ac/heat so it's gotta be re-wired. Other than that the car is NASTY. lol
__________________
-2000 LS1 Z28-1979 Berlinetta*sold*-1992 RS 25th Anniv. 350*sold*-
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#11
02-25-2006, 10:38 AM
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Re: help! crate motor overheating!
thats great
__________________
92 z28 camaro 5.7 TPI current - slp intake runners and base-BBK 52mm throttle body-MSD 8.5mm wires, blaster coil, and 6AL Box-edelbrock headers-160 degree stat.-hotchkis strut tower brace waiting in the garage - LQ4, milled heads 317 casting (10.5 to 1), hardened pushrods, ported LS6 oil pump, manley dual spings with titanium retainers, MTI X1 cam, hawks longtube headers
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#14
02-25-2006, 06:22 PM
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Re: help! crate motor overheating!
sweet...that thing loogs good in there....as foose would say its like a diamond ring when you open the case...
__________________
1991 RS 305 T.B.I. 700-R4 
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and did you change the cooling fans out or anything
