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Richard C. Wilson
New member
Username: oldhog
Post Number: 2
Registered: 05-2009
| | Posted on Sunday, May 17, 2009 - 07:17 am: | 
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What model year did Marine power start using EFI on 5.7L engines. Why do some people call these vortec engines/ |
makomark
Advanced Member
Username: makomark
Post Number: 544
Registered: 09-2008
| | Posted on Wednesday, May 27, 2009 - 11:24 pm: |
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I can't say when Marine Power started with the EFI but the Vortec stuff came out in the mid 90's. It's the basic small block modernized. I think the wikipedia article covers the history pretty well. big improvements were head redesign and use of the roller cams. BTW, some marinizers offer the vortec blocks with carbs, today. |
Richard C. Wilson
New member
Username: oldhog
Post Number: 3
Registered: 05-2009
| | Posted on Thursday, May 28, 2009 - 02:35 am: |
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Thanks for the info. These engines are some of the better running marine engines I've seen. I was just trying to yet a handle on the jargon, and I hadn't kept up with the differences. |
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