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Oil pump replacement on 5.3 vortec
Hi Guys:
I am refreshing a 2003 5.3 vortec to transplant either in my truck or a 72 Nova. While I was at changing the seals and gaskets, I decided to replace the oil pump since engine came with 110,000 mile and inside the engine did not look as clean as I would like it to be.
Anyways, I just took the old one out and lined up the new one and put things back together. This morning I was reading a HOTROD magazine and I saw an article about this replacement and it mentioned that you have to alight the oil pump (there were two method mentioned)  How critical is this alignment? Is it a must do? I have put everything back together and I was ready to fabricated my engine mounts!
Thanks for the help
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1953 GMC 3/4 ton: current project
1967 C20: 5.3 voretc with T5 conversion, 4 wheel 8 lug disc brake
1972 Nova: my 4 door sport sedan! 5.3 voretc + T5 conversion. drivable project, FUN!!
1979 Camaro Z28: 5.3 vortec conversion with build TH350: drivable project, Fun to drive
1992 Camaro RS convertible (Z28 clone): 5.3 conversion with build T5: on going project
2005 Silverado 2500, 4x4 Duramax, original owner
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