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Thread: $800 shit heap EP71

  1. #271
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    Just got back from holiday.

    Looks like the gamble with ARP paid off. Head will need some mods to work though. 8x head holes look to be fine, the the back 2x are close to the valve train and I can't get the nut onto the stud. Can probably hit it with a die grinder to give it clearance. Part numbers from ARP are -

    AIW670N - Washers
    AIN12-2 - Wrenching nuts
    AI 4.240-2B - Head stud (x5 required, this is the shorter stud)
    AI 5.030-2B - Head stud (x5 required, this is the longer stud)

    Not sure why they don't advertise this in a kit? Sure the head needs mods to make it work but far cheaper than drilling out a block to suit M10x1.25 + fiddling with the head.

  2. #272
    Registered User dnegative's Avatar
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    Same as a 4A head, few nicks with a carbide burr and your golden; yeah odd ARP don't sell a kit but it's probably such a low seller they are not really interested. Drilling blocks and heads for M10 is a whole lot of nope without putting the block on a mill.
    Quote Originally Posted by cracka View Post
    Fuck I'm retarded

  3. #273
    Registered User Mr Purple's Avatar
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    There was one of these for sale on one of the various Facebook groups for $750. Have to admit I thought far too long about that, they're awesome!

  4. #274
    bitch lasagne Bob Vegana.'s Avatar
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    A lot of places put their own ARP kits together, with appropriate mark-up.
    Quote Originally Posted by brewdles View Post
    In short, some cunt at test and tune had a 250cc honda turning to 11ty and it sounded porn. Do that.

  5. #275
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    Yeh this wasn't a cheap exercise. For the 10x washers, 10x nuts & studs it came to a whopping $577.00 Reason was ARP didn't make these studs in their lower grade material so had to pay for the uprated stuff. I guess being M9x1.25 they would make fuck all of it too so there would be some cost associated with that.
    Just happy I found a solution & one that can be reused in the future if need be!

  6. #276
    Registered User dnegative's Avatar
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    Fuck, you got a whole car for another $220!
    What are the made of, have to be careful if they are L19
    Quote Originally Posted by cracka View Post
    Fuck I'm retarded

  7. #277
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    I don't think they are L19 as they came in a black finish (although they did come in satty bags with a label on each bag).
    Last edited by foamy; 15-11-17 at 07:08 PM.

  8. #278
    Registered User LB-XP's Avatar
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    Quote Originally Posted by foamy View Post
    Yeh this wasn't a cheap exercise. For the 10x washers, 10x nuts & studs it came to a whopping $577.00
    Fuck me, that's turbo Starlet tax right there!

  9. #279
    Registered User I'm DJ!'s Avatar
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    Quote Originally Posted by I'm DJ! View Post
    How's it going? More parts here?
    Quote Originally Posted by Mr Purple View Post
    There was one of these for sale on one of the various Facebook groups for $750. Have to admit I thought far too long about that, they're awesome!
    Welcome to the dark side my friend
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    Last edited by I'm DJ!; 15-11-17 at 09:08 PM.
    DJ's don't need sigs

  10. #280
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    I have this odd feeling ARP have fucked up big time re: the head bolt I broke. Going through their technical guides, for a 8mm fastener it is 32 ft pounds. For a 10mm fastener it's 70 ft pounds. Spoke to them on the phone earlier and they told me 35ft pounds is what they recommend for a 9mm fastener. So why the fuck does their little instruction book you get with the bolts say 60ft pound? No wonder heaps of cunts end up breaking the 4E ARP head bolts. I think they have messed up and put too high a rating on the instructions?

    Edit:
    According to this - http://arpcatalog.com/24/#zoom=z

    The ratings in their tables are 75% of yield strength (kits may have a different rating, page says to follow whatever comes with the kit).

    If they are telling me 35ft pound is what that table should have for a M9 stud....then that would be 75%. 100% yield strength from that is 46.66 ft pounds....which is a fucking whole lot less than 60ft pounds!
    Last edited by foamy; 22-11-17 at 06:10 PM.

  11. #281
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    Hmmm, that is a very disturbing piece of information.

    I completely agree with you, 60 ft/lb for a 9mm stud is completely over the top.

    I say go with your gut feeling on this one.....
    " Money is for those without skills"

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