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  1. #1
    FEP Senior Member
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    Default Where to find OEM correct water pump / timing cover bolts?

    I'm resealing my 3.8L V6 engine in my 1986 hatchback, and one of the longer bolts was seized. It broke the head off when I took it out, and I need a replacement. NPD and LMR don't offer anything beyond the V8 parts. Any thoughts of where to find a correct OEM part?

  2. #2
    FEP Senior Member Tigger's Avatar
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    I scrapped out a 96 3.8. I should have some of those bolts left, not sure if they are the same though. Shoot me a PM with a picture and length and I will take a look for you.
    67 Mustang Coupe
    96 Tangerine GT
    86 Saleen #179

  3. #3
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    the bolt in question appears to be an M8x1.25 4" in length.

  4. #4
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    Arp is where i would look for bolts or a fasten all store .
    clowns to the left of me , Jokers to the right

  5. #5
    FEP Supporter 4-barrel Mike's Avatar
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    Quote Originally Posted by Basin Motorsports View Post
    the bolt in question appears to be an M8x1.25 4" in length.

    Or 100mm length

    Mike
    1985 ascMcLaren 5.0 SC Roadster
    My '78 Fairmont build - http://vb.foureyedpride.com/showthre...539-78-Big-Red

  6. #6
    FEP Senior Member Tigger's Avatar
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    I will try and remember to look tonight.
    67 Mustang Coupe
    96 Tangerine GT
    86 Saleen #179

  7. #7
    FEP Senior Member Tigger's Avatar
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    So I dug thru my v6 bolts and found a 8x1.25mm 4" long bolt with what looks like a 10mm hex head. I planned on taking a picture last night but forgot. Kept reminding myself to go in and get my phone but then eventually forgot. I will hopefully remember tonight.
    67 Mustang Coupe
    96 Tangerine GT
    86 Saleen #179

  8. #8
    FEP Senior Member
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    Quote Originally Posted by Tigger View Post
    So I dug thru my v6 bolts and found a 8x1.25mm 4" long bolt with what looks like a 10mm hex head. I planned on taking a picture last night but forgot. Kept reminding myself to go in and get my phone but then eventually forgot. I will hopefully remember tonight.
    If the hex head has a larger flange about the size of a dime, that's exactly what I need.

  9. #9
    FEP Senior Member Tigger's Avatar
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    Sorry, a transformer in our neighborhood blew last night like 15 min before I got home so we were out of power for most of the evening. Did not come back till 3+ hours later. I believe the head has the flange. I will get you a picture tonight.
    67 Mustang Coupe
    96 Tangerine GT
    86 Saleen #179

  10. #10
    FEP Super Member gr79's Avatar
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    Metric flange (head) bolt. M8 x 1.25 x 100mm. Course metric thread, about 4" long.

    Flange part is like a built in hd washer. Flange may have serrations to help lock it down.
    Common size flange bolts are found in auto stores, big box home, and hardware stores.

    Automotive black phos/oil bolts found on cars are much more corrosion resistant than bright zinc plated bolts.
    Larger bolts stores have them. Dealers for sure.
    Depending on app and source, may have sealer on the threads.

    Hardware store plain hex head bolts are not commonly used in large machinery. More of a home type fastener.
    Use washers to imitate flange bolt. Flange bolt looks much better, easier to install, and sort of seals the hole too.

    Bolt is prob is metric grade 8.8, about the same as grade 5 SAE. 10.9 is similar to grade 8 SAE.

    Temp installing a threaded stud or two would make good pilots to hang pump, cover, gaskets, for installation.

    Breaking bolt head can indicate fastener was tightened improperly, rusted.
    Hard to guess when tight is tight without a torque wrench and factory torque spec for the part's bolts.

  11. #11
    FEP Senior Member Tigger's Avatar
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    Here is the bolt. Pm me if this is what you need and Iíll send it to you.
    Attached Images Attached Images   
    67 Mustang Coupe
    96 Tangerine GT
    86 Saleen #179

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