The standard size bottom end stud kit has now been designed.
Benefits:
-more accurate torque
-studs are fully engaged in the aluminum block threads prior to the torque process
-less chance of threads stripping out (by far)
-less chance of oil pressure loss (oil flows past the shaft of 12 of the main bolts/studs, if one is not properly torqued, your engine will wear out)
-proper claming force on the bottom end will promote better bearing break-in (as opposed to loose bolts or uneven clamping pressure)
-guaranteed not to snap (as the original factory bolts often do)
-oversized repair studs (patent pending) will be available as well in full sets or custom quantity mix (repair only the holes that actually are stripped, yet still have the whole bottom end studded)
These are metric roll-threaded studs that will handle way more clamp load than the factory original bolts. Remember- the way the bottom end is designed, bearing clearance is determined by the factory machining of the block. As long as the mating surfaces are clean between the block halves, and you torque the perimeter bolts in sequence PRIOR to main stud torque, a bit extra clamp force than factory will not distort the castings or change bearing clearance. Details will be released on torque specs, but so far I believe we will be going with:
-studs screwed hand tight in the block
-nuts torqued to 45 ft. lbs. (as this thread ages, please check our website for proper/current torque specs)
An added feature to promote proper oil distribution (instead of any possible bypass by the flange nut) is an O-Ring seal on the nut. This combined with thread locker/sealant tape on the stud will eliminate any possible oil-bypass. In other words, we need to do everything possible to keep pressurized oil up where it belongs: around the bearings and moving parts- not dripping past the bolts back into the oil pan.
I expect to ship without any exception by August 30th/2011 and guarantee by September 8, 2011. For one forum member it will be much quicker because he was the first one to speak up and ask for the kit.
The oversized studs and/or kit will be available soon for permanent, problem free thread repairs.
Here's a photo of the stud.
Pricing for pre-orders is set at $155 per set + shipping costs (probably about $20 to most states), + taxes for Canadian customers
Pricing is subject to change after the kit is fully available. Priority goes as follows: First come, first served. Email info@northstarperformance.com with subject "MAIN STUDS" in the subject line. Thank you all!
Benefits:
-more accurate torque
-studs are fully engaged in the aluminum block threads prior to the torque process
-less chance of threads stripping out (by far)
-less chance of oil pressure loss (oil flows past the shaft of 12 of the main bolts/studs, if one is not properly torqued, your engine will wear out)
-proper claming force on the bottom end will promote better bearing break-in (as opposed to loose bolts or uneven clamping pressure)
-guaranteed not to snap (as the original factory bolts often do)
-oversized repair studs (patent pending) will be available as well in full sets or custom quantity mix (repair only the holes that actually are stripped, yet still have the whole bottom end studded)
These are metric roll-threaded studs that will handle way more clamp load than the factory original bolts. Remember- the way the bottom end is designed, bearing clearance is determined by the factory machining of the block. As long as the mating surfaces are clean between the block halves, and you torque the perimeter bolts in sequence PRIOR to main stud torque, a bit extra clamp force than factory will not distort the castings or change bearing clearance. Details will be released on torque specs, but so far I believe we will be going with:
-studs screwed hand tight in the block
-nuts torqued to 45 ft. lbs. (as this thread ages, please check our website for proper/current torque specs)
An added feature to promote proper oil distribution (instead of any possible bypass by the flange nut) is an O-Ring seal on the nut. This combined with thread locker/sealant tape on the stud will eliminate any possible oil-bypass. In other words, we need to do everything possible to keep pressurized oil up where it belongs: around the bearings and moving parts- not dripping past the bolts back into the oil pan.
I expect to ship without any exception by August 30th/2011 and guarantee by September 8, 2011. For one forum member it will be much quicker because he was the first one to speak up and ask for the kit.
The oversized studs and/or kit will be available soon for permanent, problem free thread repairs.
Here's a photo of the stud.
Pricing for pre-orders is set at $155 per set + shipping costs (probably about $20 to most states), + taxes for Canadian customers
Pricing is subject to change after the kit is fully available. Priority goes as follows: First come, first served. Email info@northstarperformance.com with subject "MAIN STUDS" in the subject line. Thank you all!