Update: Water pump is in and no leaks! 😀
This job was a pain but at least I learned a lot. When/if I have to do this same job again on my 86 GT, I got it down.
One big word of advice I have that nobody mentioned is…., it helps to test fit (without any sealer or the gasket) how it goes on the engine. It’s tight quarters down there and you don’t want to bump into stuff, disturb the gasket, etc.. while you got sealant all over the water pump and gasket l. Also, once you have it in position on the block, you want to avoid having to re-position it.
Lastly, I ran the engine while the back end was up in the air and checked for leaks before finishing the job. Kit

[This message has been edited by Kitskaboodle (edited 05-30-2024).]

Awesome - Well Done!

Now is the time for an adult beverage and relax.....good job!

Thank you.
Yes, I already had two Rolling Rocks today.
I do need to take a nap though……😀
Kit

quote Originally posted by Kitskaboodle: One big word of advice I have that nobody mentioned is…., it helps to test fit (without any sealer or the gasket) how it goes on the engine.

Well geez Kit, that's a given!

Congrats on getting the job done successfully.

Thanks Patrick. 😌
Now on to an even more difficult project: making 1990 Buick Regal rear struts work in the back of a Reatta. Kit

Some great tips here and I believe that they covered it all. The only thing I can add when you work on the water pump side is to make sure that you tape plastic ( garbage bags) over the fiberglass liner material in the engine compartment where you work. If you don't be prepared to suffer some serious itching afterwards.

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

Man, I wish I had read this thread before I ordered that same Gates water pump that claimed to have the cast iron impeller.

Thanks for the Bosch part number. I just ordered on Ebay, hope it arrives by Saturday!