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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » 351W Swap Headers

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    7/16/2019 5:17 PM  #1

    Texag70
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    Registered: 7/06/2019
    Posts: 12

    351W Swap Headers

    Looks like we're going to drop a 351W into our 66 upgrade.  Any recommendations on headers that will work without notching the shock towers?

     

    7/16/2019 5:26 PM  #2

    josh-kebob
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    From: Madison, AL
    Registered: 4/06/2013
    Posts: 2,902

    Re: 351W Swap Headers

    What trans are you using?

     

    7/16/2019 6:39 PM  #3

    Texag70
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    Re: 351W Swap Headers

    Tremec T5.  Manual steering.

       •Thread Starter
     

    7/16/2019 6:40 PM  #4

    Texag70
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    Re: 351W Swap Headers

    josh-kebob wrote:

    What trans are you using?

    Tremec T5 and manual steering.
     

       •Thread Starter
     

    7/16/2019 8:33 PM  #5

    6sally6
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    From: Surfside Beach,SC
    Registered: 4/02/2013
    Posts: 6,872

    Re: 351W Swap Headers

    Why NOT notch the towers?!  Make it EZ on yourself!?!
    6sally6

    Get busy Liv'in or get busy Die'n....Host of the 2020 Bash at the Beach/The only Bash that got cancelled  )8
     

    7/16/2019 8:47 PM  #6

    MS
    Forum Originator

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    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 12,294

    Re: 351W Swap Headers

    JBA shorties have the best fit of any I have used.  I have them on my 66 with a Dart 427 stroker, which is 351w based. They also offer that header in a version designed for use with the MustangSteve cable clutch conversion.  It gives clearance for the cable where it enters into the bell when using a 1993 or earlier Foxbody bellhousing.

    Money you enjoy wasting is NOT wasted money... unless your wife finds out.
     

    7/16/2019 10:50 PM  #7

    lowercasesteve
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    From: Auburn, Ca
    Registered: 4/01/2013
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    Re: 351W Swap Headers

    I have coated Heddmans  Everything fits fine and they have been on since 2000.  But I would not look askanse at JBA's too.

    Original owner - 351w,T-5, 4whl disks, power R&P
     

    7/16/2019 11:55 PM  #8

    Ron68
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    From: Mukilteo, Washington
    Registered: 4/01/2013
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    Re: 351W Swap Headers

    lowercasesteve wrote:

    I have coated Heddmans  Everything fits fine and they have been on since 2000.  But I would not look askanse at JBA's too.

    I had the Heddman long tube coated headers on my 351W in my 68, with a  C4 transmission. The only issue I had was one tube was contacted by the steering sector in an extreme left turn. I had to switch over to the JBA shorty headers when I swapped the C4 for a 4R70W. 
     

    68 coupe - 351W, 4R70W, 9" 3.25 -- 65 convertible - 289 4v, C4, 8" 3.00
     

    7/17/2019 5:37 AM  #9

    Texag70
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    Re: 351W Swap Headers

    Ron68 wrote:

    lowercasesteve wrote:

    I have coated Heddmans  Everything fits fine and they have been on since 2000.  But I would not look askanse at JBA's too.

    I had the Heddman long tube coated headers on my 351W in my 68, with a  C4 transmission. The only issue I had was one tube was contacted by the steering sector in an extreme left turn. I had to switch over to the JBA shorty headers when I swapped the C4 for a 4R70W. 
     

    Thanks.  We're looking at either JBA or Hedman shortys.
     

       •Thread Starter
     

     

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