Tech, Repairs, Upgrades > Capri N/A 89-94

ARP Head Studs Mazda Miata 1.6

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mitch1204:

--- Quote from: Sceeter on November 10, 2014, 09:42:18 AM ---They send the lube to put on the treads to get the true torque, any friction throws the torque numbers off.

--- End quote ---

Yes and no, it's a debated topic. Basically I go by the manufacturer's manual. Some will say use a few drops of oil, some will say nothing. It's just like torque sequence, go by the book.

A general rule of thumb is to chase your threads and use new bolts. Friction then should be at a minimum. Along the same thoughts lubricant can reduce friction torquing it can also reduce holding friction.

Let us know how your order goes. Advance sure has it wrong. I crossed referenced it with a Miata and they list the same wrong bolts. I believe they were Victor Reinz. If it's another brand then you stand a good chance of them being correct.

Rocketman:
ARP has very specific instructions for their bolts. They're very different than stock head bolts. Studs respond quite differently - so their instructions reflect that. The pattern is the same, but torque #'s and steps through the pattern are different

mitch1204:
You're very knowledgeable Rocket. Thanks for the insight on these problem areas.

jaxchecker:
So what I get from all this, any of these head bolts would be fine to use on my 91 capri?

Rocketman:
You need a set for the 1.6L, 1994 miata used the 1.8L.
Though they may be the same between the two, stick with the listing for the 1.6L (89-93 IIRC)

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