How to bore out billet wheel adapters?
Thread Starter
Junior Member
Joined: Jan 2004
Posts: 31
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From: Texas
Car: 1991 Camaro RS
Engine: 350 TBI .60 over w/ forged pistons,
Transmission: 700-R4 custom built
How to bore out billet wheel adapters?
Ok so a few months ago I bought some billet wheel adapters for my 4th gen 10 spokes. The inside diameter of these adapters was to small to fit over the rotor "cone," my temperary solution was to use the brake laithe at work to mill down the cone. In a week or two I will be installing a LS1 brake kit and it will come with some nice zinc coated hubs, so my question is, how would you guys suggest I bore out the adapters? I will take them to a machine shop if I must but am attempting to do it my self.
Thread Starter
Junior Member
Joined: Jan 2004
Posts: 31
Likes: 0
From: Texas
Car: 1991 Camaro RS
Engine: 350 TBI .60 over w/ forged pistons,
Transmission: 700-R4 custom built
Yeah, I know, I just hate to pay some one to do what I can do myself. Anybody else got a suggestion.
Supreme Member

Joined: Jun 2001
Posts: 9,550
Likes: 4
From: Charleston, SC
Car: 91 Camaro Vert
Engine: 02 LS1, HX40
Transmission: 2002 LS1 M6
id suggest you take them to a machine shop... lol.
it shouldnt be more then a couple bucks for the guy to chuck em up in a lathe and enlarge the center.
it shouldnt be more then a couple bucks for the guy to chuck em up in a lathe and enlarge the center.
Joined: Jun 2001
Posts: 8,028
Likes: 93
From: DC Metro Area
Car: 87TA 87Form 71Mach1 93FleetWB 04Cum
Post what you find.
I've found that locally, most machine shops want to stick to normal production/engine rebuild work, and don't want to take jobs like that. The basic answer you get with something like this is that "you need to make friends with someone that works at a reasearch lab's machine shop..."
I've found that locally, most machine shops want to stick to normal production/engine rebuild work, and don't want to take jobs like that. The basic answer you get with something like this is that "you need to make friends with someone that works at a reasearch lab's machine shop..."
Thread Starter
Junior Member
Joined: Jan 2004
Posts: 31
Likes: 0
From: Texas
Car: 1991 Camaro RS
Engine: 350 TBI .60 over w/ forged pistons,
Transmission: 700-R4 custom built
Great, I cant wait to be jerked around by them. I work at O'Reillys and if all else fails I can try to ship them off and see if my employment gets me a favor from our excuse for a "machine shop." But as requested I'll post my findings.
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Supreme Member
Joined: Apr 2000
Posts: 1,154
Likes: 2
From: Stillwater, OK
Car: 1991 Formula
Engine: 355 DFI Superram w/ R-Trim
Transmission: Probuilt 700r4
Another good suggestion is a local vo-tech or engineering / technology /agriculture university in your area. You just might already know someone that could help...
Supreme Member
iTrader: (33)
Joined: Jul 2000
Posts: 5,945
Likes: 1
From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
If a local shop tried to rape you on price I could do em for ya.
I make hubs and brackets for all the brake conversions now.
We have a Mill,lathe,brake lathe,etc..
PM or e-mail me with more dteails if you want. Do you know what size you need it bored out to.
I make hubs and brackets for all the brake conversions now.
We have a Mill,lathe,brake lathe,etc..
PM or e-mail me with more dteails if you want. Do you know what size you need it bored out to.
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Joined: Mar 2005
Posts: 212
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From: ohio
Car: 91 firebird
Engine: undecided thinking 383 stroker
Transmission: ??????????
Senior Member
Joined: Oct 2003
Posts: 544
Likes: 2
From: Aiken, SC
Car: 91 Z/28, 89 RS Race Car
Engine: 305 stock / ZZ4 AFR 195 9.7:1
Transmission: T5 / t10 / Jerico
Axle/Gears: 10blt w 3.42, 9 in w /3.80 DL
Use a cylinder hone to enlarge the hole.
I have done this on aluminum wheels that needed to be opened to clear the hub.
You can rent one from auto zone and put inon a drill motor
I have done this on aluminum wheels that needed to be opened to clear the hub.
You can rent one from auto zone and put inon a drill motor
Thread Starter
Junior Member
Joined: Jan 2004
Posts: 31
Likes: 0
From: Texas
Car: 1991 Camaro RS
Engine: 350 TBI .60 over w/ forged pistons,
Transmission: 700-R4 custom built
Just thought I'd let you guys know I went to a little machine shop and an hour and 20 bucks later I was ready to go.
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