wheel studs
IMO, if the stud sticks out of the end of the lug you're good.
I know blah blah your street rims will look funny, but I'd rather have that problem then have a wheel melt off the car because ya tried to get away with too short a stud.
I know blah blah your street rims will look funny, but I'd rather have that problem then have a wheel melt off the car because ya tried to get away with too short a stud.
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The ARP studs have a tensile strength of like 180kpsi or more which is alot more than the grade 8 stock studs. That alone should make you feel good. The 1.5 rule is a good rule of thumb for thread engagement. If you think about it, the summation of the thread shear area will be greater (using the 1.5 rule) than the crossection area of the bolt itself, meaning that the bolt will shear before the threads shear. So, with the 1.5 rule you know you are good. 1/2" arp studs (x 2.5" long) should be good for most all applications. Unless you are running single digits then I would go with 5/8" studs.
7 Second Club
iTrader: (5)
Joined: Nov 2001
Posts: 8,834
Likes: 1
From: Gainesville, Florida # of drag strips runs: ?!?!?
ok, i am going to lay it down for u right now... i have done 30 studs on my car in the past month because of this crapola!
2.5" arp's are more then safe.... but they r not IHRA/NHRA legal
if you are running weld skinnies with a spacer up front... the 2.5" will be like 5 or 6 mm too short (i kno ****** bullshit) go with the 3.25" to avoid any issues... im installing 2 sets friday. i hate bullshit rules...
i think that rule should only apply to the rear wheels... all the stress is on them (burnout, launch, etc) the front have some stress (weight) but thats about it... 5mm should not make a freakin difference!
so basicly to be legal and not get any ****... if ur running welds u need 3.25" in front and 2.5" in rear...
2.5" arp's are more then safe.... but they r not IHRA/NHRA legal
if you are running weld skinnies with a spacer up front... the 2.5" will be like 5 or 6 mm too short (i kno ****** bullshit) go with the 3.25" to avoid any issues... im installing 2 sets friday. i hate bullshit rules...
i think that rule should only apply to the rear wheels... all the stress is on them (burnout, launch, etc) the front have some stress (weight) but thats about it... 5mm should not make a freakin difference!
so basicly to be legal and not get any ****... if ur running welds u need 3.25" in front and 2.5" in rear...
Joined: Nov 2001
Posts: 8,484
Likes: 0
From: Cecil County Raceway!!!
ok, i am going to lay it down for u right now... i have done 30 studs on my car in the past month because of this crapola!
2.5" arp's are more then safe.... but they r not IHRA/NHRA legal
if you are running weld skinnies with a spacer up front... the 2.5" will be like 5 or 6 mm too short (i kno ****** bullshit) go with the 3.25" to avoid any issues... im installing 2 sets friday. i hate bullshit rules...
i think that rule should only apply to the rear wheels... all the stress is on them (burnout, launch, etc) the front have some stress (weight) but thats about it... 5mm should not make a freakin difference!
so basicly to be legal and not get any ****... if ur running welds u need 3.25" in front and 2.5" in rear...
2.5" arp's are more then safe.... but they r not IHRA/NHRA legal
if you are running weld skinnies with a spacer up front... the 2.5" will be like 5 or 6 mm too short (i kno ****** bullshit) go with the 3.25" to avoid any issues... im installing 2 sets friday. i hate bullshit rules...
i think that rule should only apply to the rear wheels... all the stress is on them (burnout, launch, etc) the front have some stress (weight) but thats about it... 5mm should not make a freakin difference!
so basicly to be legal and not get any ****... if ur running welds u need 3.25" in front and 2.5" in rear...
