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Old 05-25-2023, 09:24 AM   #17
MARKDTN
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Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,137
Re: Gonna cost me more $$

Quote:
Originally Posted by HO455 View Post
It's not apples to apples comparing an LS to a Gen 1 BBC. The efficiency of the LS engine is so much higher. This means more of the cylinder heat goes out of the exhaust and thus the cooling system has less heat to remove from the block. One reason they make more horsepower per cubic inch.
Agree. My '01 Tahoe with 5.3 ate the seal in the water pump (at 240K miles). I happened in late July coming home from my parents house 200 miles away. We got home around 1:00AM. It was dark, but air temps in the high 80s so A/C on. I never realized anything was wrong until I got home and saw it was dripping. The temp gauge never went higher than usual. It was about 2 gallons low the next morning.
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'83 K20-TPI
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'79 C10-ex-diesel(SOLD)
'07 Tahoe(Son driving)
'14 Suburban-DD
'71 C10-current project
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