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Thread: 5.0 HO difference from standard 5.0
          
   
   

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  1. #1
    chevy-ford_man's Avatar
    chevy-ford_man is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 87 mustang lx/talon tsi fwd
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    Question 5.0 HO difference from standard 5.0

     



    does any one know the differences between the standard 5.0 block and the 5.0 HO ie.(casting, firing orders anything else)?

  2. #2
    thesals's Avatar
    thesals is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 66 mustangFB, 69 econline Drag Van
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    firing order and such are the same, its just got better flowing heads, with higher compression, maybe a few other minor things here and there.... not really sure on the castings though
    just because your car is faster, doesn't mean i cant outdrive you... give me a curvy mountain road and i'll beat you any day

  3. #3
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Heads, intake, and on an injected car some chages in the chip. Get a good set of heads and the GT40 upper and lower intake and a Hypertech chip will outdo an HO engine.
    Yesterday is history, tomorrow is a mystery, Live for Today!
    Carroll Shelby

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  4. #4
    firebird45331 is offline CHR Member Visit my Photo Gallery
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    the firing orders are different I believe. I had a 5.0 non H.O. and put a B303 in it and the firing order was the H.O.'s firing order. At least it was for the roller motors anyway

  5. #5
    w2zero's Avatar
    w2zero is offline CHR Member Visit my Photo Gallery
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    The blocks are the same. The HO firing order is the same as the 351 firing order. HO motors had forged pistons and after 86 used E7TE truck heads. 86 HO and all the non-HO roller motors afterwards had the E6SE high swirl heads that are less desirable for performance.
    sixty clicks West of Chu Lai
    class of 69

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