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Thread: SSI Question

  1. #1

    SSI Question

    I need a little advice here. Fed-X just dropped off my new SSI heat exchangers and the left one doesn’t look like the OEM. It has a funky enclosure around the three exhaust pipes (see picture). It looks like I could just cut it off and be ok. Did they send me the wrong parts, or is this normal?Attachment 516527Attachment 516527
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    1969 911S
    1969 Datsun 2000...worth less, but more valuable

  2. #2
    That's an MFI heat exchanger. Is that what you ordered?

    From our former President's website:

    https://sierramadrecollection.com/Da...FI-p17256.html

  3. #3
    However, in the world of part inventory the earlier version is not made, only the later version which fits both styles. As opposed to making the earlier version which wouldn't be correct for the later cars. The cost of making such individualized parts for such small sales numbers isn't economical. I think SSI ONLY made the earlier version, and got an exemption from C.A.R.B. for not having the preheat feature of the 72-73 version. Dansk only makes the later version.
    Early S Registry member #90
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    Fort Worth Tx.

  4. #4
    Thanks for the replies. The vendors add states -The left side head exchanger has a preheater hose connector. On models not equipped, it will be necessary to block it off during installation. I assume that the preheater is the small nipple near the top. So assuming Ed’s right, which I’m sure he is, should I cut the unneeded enclosure off or just install them as is. If it won’t hurt to cut it off I’m fine with doing it.
    1969 911S
    1969 Datsun 2000...worth less, but more valuable

  5. #5
    Serial old car rescuer Arne's Avatar
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    They show both versions on their website.

    91.911SSI through '71 - https://www.jpgroupclassic.com/produ...cversion=26676

    91.913SSI for '72-73 (and G-model 2.7 MFI) - https://www.jpgroupclassic.com/produ...cversion=26676

    That said, I see no reason not to remove the extra heat exchanger on the left side. Won't hurt a thing.
    - Arne
    Current - 2018 718 Cayman, Rhodium Silver, PDK

    Sold - 1972 911T coupe, Silver Metallic; 1984 911 Carrera coupe, Chiffon white; 1973 914 2.0, Saturn Yellow; 1984 944, Silver Metallic

  6. #6
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    For our 69S we cut it off.

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    69 911S #1379
    65 356 SC #130757

  7. #7
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    Quote Originally Posted by Theunz View Post
    Thanks for the replies. The vendors add states -The left side head exchanger has a preheater hose connector. On models not equipped, it will be necessary to block it off during installation. I assume that the preheater is the small nipple near the top. So assuming Ed’s right, which I’m sure he is, should I cut the unneeded enclosure off or just install them as is. If it won’t hurt to cut it off I’m fine with doing it.
    The pre-heater is the enclosure around the discharge pipes. The “small nipple near the top” is used on both the early and later cars.
    Tom Butler
    1973 RSR Clone
    1970 911E
    914-6 GT Clone in Progress

  8. #8
    Great, off it goes! Now I just need to decide whether to use a cut off wheel or drill out the spot welds. Scott72, how did you do it?
    LiveFronNY, it is an MFI car, I responded to your post last night but I guess I forgot to hit submit
    1969 911S
    1969 Datsun 2000...worth less, but more valuable

  9. #9
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    Been a few years but if I remember correctly we used a cutoff wheel. I think you could do it either way as it isn't welded to the pipes themselves.
    69 911S #1379
    65 356 SC #130757

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