Which brand opti?
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Joined: Jul 2017
Posts: 91
Likes: 16
The pump the OP purchased is the best pump AC Delco makes for the car. The "Professional" is the one I purchased and it is inferior to the other AC Delco offering. I believe it is still better than the typical auto parts store water pump. The one the OP found should be made to factory standards. I'm not positive but I believe it has an extra set of bearings on the input shaft. I listed the part numbers for both pumps in the second post of this thread.
Thread Starter
Instructor
Joined: Jul 2017
Posts: 219
Likes: 21
From: Long Island NY
The pump the OP purchased is the best pump AC Delco makes for the car. The "Professional" is the one I purchased and it is inferior to the other AC Delco offering. I believe it is still better than the typical auto parts store water pump. The one the OP found should be made to factory standards. I'm not positive but I believe it has an extra set of bearings on the input shaft. I listed the part numbers for both pumps in the second post of this thread.
Safety Car
Joined: Jan 2004
Posts: 4,549
Likes: 343
From: Glastonbury CT
Hoaders
My car just turned over 16,000 miles. I purchased one of the reconditioned Opti-2's so I can stick my original on the shelf. I plan on keeping the car for a long time.
Right now there is/was a shortage of all kinds of parts for these cars. Getting while the getting is good is a prudent move. The LT1/4 engine platform is just not like the dime a dozen first gen SBC with its mega-part availability.
In my mind, it is just like buying car insurance. You hope you never need it, but it is better than the alternative.
Right now there is/was a shortage of all kinds of parts for these cars. Getting while the getting is good is a prudent move. The LT1/4 engine platform is just not like the dime a dozen first gen SBC with its mega-part availability.
In my mind, it is just like buying car insurance. You hope you never need it, but it is better than the alternative.
