rod bolt stretch (poll)
What's the highest torque you've had to use to get the proper stretch?
I've got a 2.2 mopar mini stock motor I'm building and I'm using ARP 3/8 220kPSI rod bolts. The spec is 43ft/lbs with ARP lube or .0055 stretch with oil.
To get the proper stretch I eventually had to go to 70 ft/lbs. I'm just curious how high others have had to go because even though the literature is somewhat clear, for someone not stretching them it seems like telling them 43ft/lbs is kinda asking for a failure.
BSE Racing Engines