Overheating still...sorta - Team Camaro Tech
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post #1 of 8 (permalink) Old Jul 5th, 19, 09:25 PM Thread Starter
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Pat
 
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Red face Overheating still...sorta

The engine in my 68 is a 73 350. The wiring needed some work, and when I got the temp light hooked up, it came on after a few minutes of running.

I figured out that the sender was for a gauge, not an idiot light, so thatís why the light would show dim, and gradually get brighter. I hit the local NAPA and asked for a new sender for an idiot light, and a new thermostat...but the light still came on.

Thereís a show on the 6th I wanted to make (castle in the clouds, moultonborough) so I wanted to solve the overheating before then.

Next up on the hitlist was a new water pump. I mail ordered a new one and a few other bits. The parts arrived on the 1st.

I stripped the front of the engine down on the 2nd to discover Iíd mail ordered a short pump by mistake. I called NAPA on the 3rd and they said the long pump wasnít in stock, but theyíd have it by 3pm. My wife stopped by at 3:45...to find a sign in the window saying they closed early at 3pm, and would be closed on the 4th.

A 45 minute drive to the nearest place that was open got me a pump. I spent a few hours on the 4th pulling the rest of it, including pulling the dampener and putting a sleeve on, and a new front seal in the timing cover to (hopefully) cure an oil leak. Then it was clean/paint/reassemble with the new water pump, and wait for the rtv to cure.

Tonight I finished the last of the assembly, put the coolant back in, and took it for a drive around the block...

...and then the temp light came on again...

Something wasnít adding up. The engine didnít seem that hot, and my infrared temp gun showed 185.

I pulled out the sales slip for the new sender, and looked up the part number. Sunofabich...itís for a gauge not a light.

Sooo...going to the show Saturday anyway, temp light and all.

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post #2 of 8 (permalink) Old Jul 6th, 19, 12:01 PM
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Bruce
 
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Re: Overheating still...sorta

Had the same issue. . . . .put some black tape over the red temp light!!!!
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post #3 of 8 (permalink) Old Jul 6th, 19, 03:45 PM Thread Starter
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Re: Overheating still...sorta

Made it to the show and back today, about a 30 minute ride, no problems. It was about 90* today, I shot it with the infrared temperature gun when I got back and it read 198. Not great, but not horrible. Itís a 1 - core radiator, that needs to get upgraded.

I might have to look into some a/c. Got pretty toasty in there with no headliner or carpet! I miss the vent windows I had in my 64 Nova SS...crank em all the way out and it scooped up the air and made a nice wind tunnel in the car.

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post #4 of 8 (permalink) Old Jul 6th, 19, 05:27 PM Thread Starter
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Re: Overheating still...sorta

Duplicate post

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post #5 of 8 (permalink) Old Jul 6th, 19, 06:03 PM
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Re: Overheating still...sorta

My SBC ran a little hotter then I liked also, (205-210). I upgraded to a Cold Case BB radiator ( bought off of this site) and a EMP/STEWARD 180 fail safe thermostat. Now runs 180-185 in 90į weather. Direct fit the only thing I had to get was a BB shroud $90.

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post #6 of 8 (permalink) Old Jul 7th, 19, 04:39 AM
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Re: Overheating still...sorta

Quote:
Originally Posted by patman2 View Post
Made it to the show and back today, about a 30 minute ride, no problems. It was about 90* today, I shot it with the infrared temperature gun when I got back and it read 198. Not great, but not horrible. Itís a 1 - core radiator, that needs to get upgraded.

I might have to look into some a/c. Got pretty toasty in there with no headliner or carpet! I miss the vent windows I had in my 64 Nova SS...crank em all the way out and it scooped up the air and made a nice wind tunnel in the car.
you need the SWAMP COOLER
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post #7 of 8 (permalink) Old Jul 7th, 19, 06:07 AM
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Re: Overheating still...sorta

Quote:
Originally Posted by flat tire View Post
you need the SWAMP COOLER
Could also load up some bottle rockets or Roman Candles to move along the slower traffic in front!

Brett....

Rockets Up In 2020!

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post #8 of 8 (permalink) Old Jul 7th, 19, 02:04 PM
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Re: Overheating still...sorta

Just for giggles I was playing with my new OBD2 scanner with an app I downloaded. I was playing in my truck with it seeing how the gauges lined up with my tablet.
Then I went to my daughters Jeep JK....temp was 237* when the fan came on....I

After some digging on the net.... I found this was normal. (jeep normal)

So, in saying this, all I'm getting at is, it's not over heating until it boils over. If you can keep it below 210ish and no boil over, you're fine.
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