TurboTahoe
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In the current MaxxTORQUE issue, Heath mentions that his testing shows that the 97+ "high volume" water pump was not that great, and that the "factory service replacement water pump" (#88894035) was the preferred replacement, giving 48 GPM performance, whereas the 97+ only gave 22 GPM! Wow.
I have a 97+ water pump, AC Delco Model 251-590. It appears that the recommended pump is also called an AC Delco 251-603.
After all these years of reading, I never knew there was a difference. Any comments from the troops?
-Rob
I have a 97+ water pump, AC Delco Model 251-590. It appears that the recommended pump is also called an AC Delco 251-603.
After all these years of reading, I never knew there was a difference. Any comments from the troops?
-Rob