The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 14 bolt conversion to disc questions/options

Asshat · 10-03-2021, 03:24 PM

So, my issue seems to be wheel studs now.
The axle flange has holes for .61 knurl studs, the rotors have holes for .65 knurl studs. So, I need to find a stud with a .65 knurl, but a short shoulder (1/2" or less).
This is due to the fact that the rotor will sit behind the axle flange.
I guess there was no other way to do this... to have the caliper fit behind the wheel without hitting the inside of the rim. I did not realize this.

I guess no one here has ever used a semi float 8-lug axle before. Hoping I can be the first to be successful. I sent an email to the guy at TuffStuff, hopefully he will have some answers for me. Thought I would save some money by buying the parts myself - not always that easy.

I already have the parking brake calipers (76 Eldorado) and rotors and brake hoses; hoping I don't have to try and return this stuff or sell it on eBay. Such a major pain to replace the whole axle, especially now that I don't have a truck to get one with.

Anyone have a good source for wheel studs?

10-03-2021, 03:24 PM	#35
Asshat Registered User Join Date: Jul 2015 Location: South Orange County CA Posts: 1,259	Re: 14 bolt conversion to disc questions/options So, my issue seems to be wheel studs now. The axle flange has holes for .61 knurl studs, the rotors have holes for .65 knurl studs. So, I need to find a stud with a .65 knurl, but a short shoulder (1/2" or less). This is due to the fact that the rotor will sit behind the axle flange. I guess there was no other way to do this... to have the caliper fit behind the wheel without hitting the inside of the rim. I did not realize this. I guess no one here has ever used a semi float 8-lug axle before. Hoping I can be the first to be successful. I sent an email to the guy at TuffStuff, hopefully he will have some answers for me. Thought I would save some money by buying the parts myself - not always that easy. I already have the parking brake calipers (76 Eldorado) and rotors and brake hoses; hoping I don't have to try and return this stuff or sell it on eBay. Such a major pain to replace the whole axle, especially now that I don't have a truck to get one with. Anyone have a good source for wheel studs? __________________ 1963 C20, small window, long bed 292, 4-speed Last edited by Asshat; 10-03-2021 at 05:57 PM.