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Heating Prob...
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6th Gear
Joined: Apr 2006
Posts: 6
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Heating Prob...
Hi , i have just bought my 1st vett a 85 with 63000 miles, car is in wonderful cond, however to me it seems to get a little to hot with a/c on at a light if u sit to long, around 210 and its not summer yet, i been told it is normal is there anything that i can do to help this? its not normal to me. Thanks
Elite Torch Red Member
Joined: Sep 1999
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From: Exit 89 GSP,Lakewood,NJ The Land Of Mojo
Cental/South NJ Events Coordinator
CI 1-2-3-4-5-6-7-8-9-10-11-12 Vet
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210 is normal, when it gets above 235-240 then you worry.
BTW, when I flick my A/C on, the temps drop about 20 degrees from 230-210.
BTW, when I flick my A/C on, the temps drop about 20 degrees from 230-210.
Safety Car
Joined: Jan 2004
Posts: 3,783
Likes: 15
From: Northern California
The L98 engine is designed to operate at high temps in order to keep emissions low. 200*-238* is normal. (the secondary fan is programmed to come on at 238*). My "91" Vette temps always read in the center of the analog gauge and never go past 3/4 in 100* heat in stop and go traffic.
Last edited by GKK; Apr 9, 2006 at 02:00 AM.
Drifting
Joined: Nov 2000
Posts: 1,428
Likes: 1
From: Jacksonville FL
Originally Posted by GKK
The L98 engine is designed to operate at high temps in order to keep emissions low. 200*-238* is normal. (the secondary fan is programmed to come on at 238*). My "91" Vette temps always read in the center of the analog gauge and never go past 3/4 in 100* heat in stop and go traffic.
I usually hear the kicker fan (Z52) come on at 232*.
Race Director
Joined: Aug 2003
Posts: 13,421
Likes: 8
From: Lake Mary Florida
Mojo, you changed your avatar. Any story behind the new one?
With your AC on it should stabilize your temps will sitting in traffic as it forces on the primary fan. If the temps creep up to about 230 the secondary should kick on and drop the temps down a few degrees but hold them steady. Once you get moving again and get airflow, the temps should drop back down.
Yes they are going to come up but what is more important is does the cooling system manage itself properly? That is do the fans kick on at the right temp points, does the temps start dropping again when you get airflow again and does the temps hold steady when hit the limits that cause the fans to come (in other words when you sitting in traffic and the temps come up, the fans come on the temps should remain steady and not get any higher until air flow is returned.) If all those are true then you know your system is working as designed.
If you hit 250 and are climbing now you have a problem and need to get the vehicle stopped and shut down to investigate. Otherwise your fine.
With your AC on it should stabilize your temps will sitting in traffic as it forces on the primary fan. If the temps creep up to about 230 the secondary should kick on and drop the temps down a few degrees but hold them steady. Once you get moving again and get airflow, the temps should drop back down.
Yes they are going to come up but what is more important is does the cooling system manage itself properly? That is do the fans kick on at the right temp points, does the temps start dropping again when you get airflow again and does the temps hold steady when hit the limits that cause the fans to come (in other words when you sitting in traffic and the temps come up, the fans come on the temps should remain steady and not get any higher until air flow is returned.) If all those are true then you know your system is working as designed.
If you hit 250 and are climbing now you have a problem and need to get the vehicle stopped and shut down to investigate. Otherwise your fine.
Drifting
Joined: Nov 2000
Posts: 1,428
Likes: 1
From: Jacksonville FL
Check in between the radiator and the A/C condensor for any trash.
I once ran over a Walmart bag on the road, I didn't see it blow out behind me, about 2-3 miles later I had to stop for something and figured while I'm stopped I'll see if the bag hung on the exhaust or something.
The bag wrapped around the kicker fan in front of the radiator.
Glad I stopped and checked.
I once ran over a Walmart bag on the road, I didn't see it blow out behind me, about 2-3 miles later I had to stop for something and figured while I'm stopped I'll see if the bag hung on the exhaust or something.
The bag wrapped around the kicker fan in front of the radiator.
Glad I stopped and checked.
Race Director
Joined: Aug 2003
Posts: 13,421
Likes: 8
From: Lake Mary Florida
Originally Posted by Midnite 88
Check in between the radiator and the A/C condensor for any trash.
I once ran over a Walmart bag on the road, I didn't see it blow out behind me, about 2-3 miles later I had to stop for something and figured while I'm stopped I'll see if the bag hung on the exhaust or something.
The bag wrapped around the kicker fan in front of the radiator. Glad I stopped and checked.
I once ran over a Walmart bag on the road, I didn't see it blow out behind me, about 2-3 miles later I had to stop for something and figured while I'm stopped I'll see if the bag hung on the exhaust or something.
The bag wrapped around the kicker fan in front of the radiator.
Glad I stopped and checked.I believe this is what your referring to:
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