454 MAG Correct Operating Temperature

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09-13-2010, 06:55 PM

Biciboyz

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454 MAG Correct Operating Temperature

What is the correct operating temperature for a 1987 454 MAG with carbs? Right now it is running 140. Is that not a too cool? My mechanic says leave it. Right or wrong ...good or bad?

09-13-2010, 08:45 PM

bert4332

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Between 140-180 is good.

09-13-2010, 10:36 PM

Griff

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Carbed 454mags have a 140* T stat. It should run 140-150 on the gauge.

09-14-2010, 08:13 AM

Biciboyz

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Thx for the info ....just checking.
I am only have what my cars run @ as a marker and that is why
I thought it might be running cool.

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