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Stewart aluminum stage 2 pump users

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Old 09-09-2016, 11:44 AM
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Stewart aluminum stage 2 pump users

Does the Stewart stage 2 Aluminum pump have the internal bypass port on the passenger side. (The third hole). My block is a World Motown 2 sbc that isn't drilled for the bypass port. I couldn't find any online pictures of the mount side of the pump. Thanks for your time.
Old 09-09-2016, 11:54 AM
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Re: Stewart aluminum stage 2 pump users

I'll check mine when i get home. I got two, one reverse rotation for L98 serp systems and one regular that i used on my dart block sbc. I think i still have them both
Old 09-25-2016, 06:01 PM
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Re: Stewart aluminum stage 2 pump users

These are pics from my 91 305 with the Stage 2 Stewart aluminum pump EMP-23123. Hope this helps.
Attached Thumbnails Stewart aluminum stage 2 pump users-0925161850b.jpg   Stewart aluminum stage 2 pump users-0925161850a.jpg   Stewart aluminum stage 2 pump users-0925161850.jpg  
Old 09-25-2016, 07:14 PM
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Re: Stewart aluminum stage 2 pump users

Yes mine is drilled with the bypass port
Old 09-26-2016, 09:11 AM
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Re: Stewart aluminum stage 2 pump users

If your block lacks the extra little port, drill & tap the WP for a ¼" pipe plug. Or, drill it to some common size such as ½" dia and use a welch plug.
Old 09-27-2016, 11:05 PM
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Re: Stewart aluminum stage 2 pump users

Thanks for the response. I tapped the port and turned in a plug with thread seal.
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