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Thread: Another ZX2 moves from Street Touring to Street Prepared

  1. #31

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    "Alternate components which are normally expendable and considered replacement parts (e.g., engine and wheel bearings, seals, gaskets, etc.) may be used provided they are the same type and size as the standard parts and used in the same location."
    Erik B. (_/\_ -Head)
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  2. #32

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    Just remember if it doesn't say you can do it then you can't. Thats the way SCCA works they don't leave any well you didn't say on the table.

    FSP Fun Street Prepared
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  3. #33

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    some of the very early numbers on the zx2 said 10:1 CR....which would confirm a 0.020 head gasket was used. we just need to find documentation :/
    2000 S/R FSP build: APC shift knob, LED tails, zx2 sticker on the rear bumper, Silverstar headlights, blue spark plug wires, optima red top battery, Magnaflow muffler, and some lowering springs.

  4. #34

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    I believe the .020 gasket is also a Contour/Mystique piece.

  5. #35

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    From my 1998 Escort Coupe (ZX2) manual:

    Bore / Stroke: 84.8mm x 88.0mm
    Oil pressure (hot): 54-80 psi
    Compression ratio: 10.0:1
    valve head diameter: 32.0mm (i), 28.0mm (e)
    valve spring compression pressure: 365Nm @ 25.1mm (i), 422 Nm @ 26.1mm
    cam lobe lift: 9.254mm (i), 8.6mm (e)

    http://autos.groups.yahoo.com/group/zetec/message/6846

  6. #36

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    with the 0.035, we have 9.6:1, which is what the 99+ manuals say. maybe, just maybe we can find documentation of Ford using a 0.020 in the 98 and we can use it on update/backdate!

  7. #37

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    JohnP would be the man to ask on this
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  8. #38

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    I did get clarification; must be p/n as listed in shop manual , on TSB ...or equivalent part.

  9. #39

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    thanks for all the info PnP'ing the head - DaviDawg A slice for the man - CJW For being the go to guy on PnP. - rascal 

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    There were three head gaskets used on the 2.0L DOHC Zetec. These part numbers are on the gasket . I have all of them hanging on the wall , if you need pictures of the gasket number of one of them , I can do that.

    '97-'98 XS76-6051-C1 / 2-ply 0.032" / crush to 0.027"

    '99-'00 978M-6051-CE / 3 ply 0.042" / crush to 0.037"

    '01-'03 978M-6051-CF / 4-ply 0.052" / crush to 0.047"

  10. #40

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    Are those the p/n's called for in their respective years manuals? In other words, is there "official" Ford documentation that supports those--specifically the .027 '97-98 p/n?

  11. #41

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    Is there an aftermarket replacement/equivalent for XS76-6051-C1? That seems obsolete doing a search on some of the Ford parts sites.

  12. #42

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    thanks for all the info PnP'ing the head - DaviDawg A slice for the man - CJW For being the go to guy on PnP. - rascal 

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    These are Ford gaskets , has a Ford logo an p/n on it . You can have the dealer run a national check of all dealers , if any have this it will show as NOS/ new old stock . The only thing most parts places have now is the 4-ply . Ford will tell you that all they have now is the 4-ply. I have all the CD shop manuals , I'll check an see if they show any numbers . Normally all they show is the base number which is "6051". Looked at the manuals ,all they show is the "6051" base number for head gaskets .
    Last edited by JohnP; 03-18-2013 at 09:59 PM.

  13. #43

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    thanks for all the info PnP'ing the head - DaviDawg A slice for the man - CJW For being the go to guy on PnP. - rascal 

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    I'll call Ford National Parts Distribution Center in Detroit tomorrow and see if they show any dealers with a 2-ply gasket in stock . Seems to me if you can show they did have a 2-ply gasket that measured 0.027" ,why couldn't you use an after market gasket of the same measurement .

  14. #44

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    Its what is is in the FSM for the car that is being raced (the spec, not necessarily the p/n)...you can update/backdate in the class as well...BUT when it comes to engines /transmissions /transaxles, they have to be updated as a unit. So...if the 1998 FSM says .027 AND there is no other difference between the motors except the head gasket, I can run the .027 in my Y2K car OR I have to find the other differences and make my whole motor a 1998 spec. Kind of silly...

    I just got clarification on the rule.

    Might just run the .037 gasket and call it a day.

  15. #45

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    the only difference i can think of that would matter to the SCCA is that the 98 had an extra idler on the timing belt. since intakes are free (4 wire vs 6 wire MAF), that and the valve cover are the only things i can think of. and valve covers are pretty open since it's a "dress up" item and it's the same size/weight/etc.

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