Thanks everyone for the welcoming back!

Quote Originally Posted by metros View Post
For those of us not in the know, why is it so important to glove up, acetone, and re-oil the L19 bolts?
You know I don't really know if it's true or not but apparently the following is quoted from ARP's catalog:

PAGE 19
20. How does L19 compare to ARP2000?
L19 differs from ARP2000 in that it is a vacuum melted
alloyed steel with sufficient chromium and carbon to achieve
high hardness (but below the level of a stainless steel). L19 is
air-cooled from the hardening temperature in a way that does
not require an oil quench to achieve full hardness and is tempered to assure full conversion to martensite between 1025°F
and 1075˚F. L19 is a proprietary material capable of achieving
strengths of 220,000/230,000 or 260,000/270,000 psi as may
be required. Both L19 and ARP2000 steels are modified bcc
(martensite) at room temperature. L19 has the same advantage as ARP2000 in that a high strength is obtained at a high
tempering temperature. This alloy is easily contaminated and
requires special handling.


PAGE 20
L19: This is a premium steel that is processed to deliver superior strength
and fatigue properties. L19 is a very high strength material compared to
8740 and ARP2000 and is capable of delivering a clamp load at 260,000
psi. It is primarily used in short track and drag racing applications where
inertia loads exceed the clamping capability of ARP2000. Like most high
strength, quench and temper steels – L19 requires special care during
manufacturing to avoid hydrogen embrittlement. This material is easily
contaminated and subject to stress corrosion. It must be kept well-oiled
and not exposed to moisture.
Emphasis is my own.

So it's kind of confusing to me that these are some of the highest clamping load steel alloy rod bolts on the market but, "don't touch 'em or they'll eventually shatter". Anyway, it was easy enough to glove up and then rub off/displace any water that might have come from my hands or the environment with acetone. Then apply ARP lube on the shaft and threads and dip the head in motor oil. Then I just made sure to only handle them with gloves as I measured 'em and stretched 'em out. Then reapplied oil to the exposed bolt heads and tips after I got them stretched proper. No licking.