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Thread: WT Swap PMO Manifold

  1. 09-14-2012, 06:27 PM #1
    Fishcop
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    WT Swap PMO Manifold

    Hi Guys

    I have a set of PMO manifolds 40mm to 32mm port. I was going to just machine these open to 36mm for my RS spec engine, but thought I'd check to see if anyone has a set of PMO manifolds already set up for RS specs but need a set of 32mm?

    Just a straight swap?
    John Forcier
    EarlyS #1987
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  2. 09-14-2012, 06:27 PM #2
    Mr9146
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    I'm your huckleberry. I think I may have something. I will check tomorrow. What port size do you need?
    -Marco
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  3. 09-14-2012, 07:18 PM #3
    Fishcop
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    Hi Marco

    My heads are ported to 36mm (RS replica engine).

    Thanks for looking
    John Forcier
    EarlyS #1987
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  4. 09-14-2012, 07:22 PM #4
    Mr9146
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    Quote Originally Posted by Fishcop View Post
    Hi Marco

    My heads are ported to 36mm (RS replica engine).

    Thanks for looking
    I'm heading in to the shop with my camera tomorrow, so I'll snap a few photos if I have what you need. PM me with your email address just in case...
    -Marco
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  5. 09-14-2012, 07:50 PM #5
    TEC69E
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    I've got a pair of tall 40mm PMO manifolds with 38mm ports.
    Tom Ching
    69E Burgundy
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  6. 09-14-2012, 11:01 PM #6
    Fishcop
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    Hi Tom

    I think the 38mm will be too big for my engine - the intake ports are definitely 36mm, so it would create a bit of a 'step'...
    John Forcier
    EarlyS #1987
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  7. 09-15-2012, 07:21 AM #7
    Mr9146
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    No dice, John. They're 38s, too.
    -Marco
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    Searching for engine #907495 and gearbox 902/1 #229687
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  8. 09-15-2012, 08:19 AM #8
    chiroracer
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    I have heard that a step of 2mm is good by a few veteran builders and richard parr(pmo)
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  9. 09-15-2012, 08:20 AM #9
    chiroracer
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    Ok but the other way around ,DOH!
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  10. 09-15-2012, 12:55 PM #10
    tom1394racing
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    I have stock S manifolds with 36 mm ports
    Tom Butler
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