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#1 |
Registered User
Join Date: Aug 2004
Posts: 74
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disc brake conversion on a5lug
Has anyone out there performed a disc brake conversion on a 67-70 chev truck. mine is a 70, and it is a five lug pattern, but i do not know of a company that makes a conversion kit for the 5 lug. maybe i haven't looked hard enough. i have also researched taking the brakes from a later model chev but i would rather not get used parts if i can help it. thanks for any hellp.
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#2 |
Designated A-hole!
Join Date: Mar 2003
Location: South Mississippi
Posts: 36,450
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You have a 70 with 5 lug? It should have six lug wheels. The vendors on the home page should have kits to convert you to disc brakes for 5 or 6 lug wheels. Check them out on the left side of the home page. www.67-72chevytrucks.com
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"If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. ![]() We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck" |
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#3 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Well seeing that 70 came with six lug yours are not stock. I would find out what you have first if in fact you do not have front discs already. Also I don't know where you are looking but most conversions are five lug you have to really look around to find six lug conversion.
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#4 |
Registered User
Join Date: Aug 2004
Posts: 74
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thanks guys, and yes it is a 70 with 5 lug and it does not already have disc on front or rear. I am very proud of my truck and like to think it is one of a kind. I don't see the paint job on it very often elsewhere, and i've never heard of another 454 truck of this year that could also run on natural gas. I hope to one day be able to have it a s a garage baby and do everything right, but for now it is a daily driver.
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454 runs on unleaded as well as natural gas orange white two tone paint so many plans for the future ![]() |
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#5 |
Senior Member
Join Date: Dec 2000
Location: Indiana
Posts: 3,074
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71 was the first year for 5 lug and also disc brakes. Maybe it's a 71-72 rebuilt as a 70? Maybe redrilled for 5lug wheels, I don't know. A 454 was never installed in a 67-72 truck from the factory, not an option.
I think someone has pulled your leg. Over the last 30 yrs someone has swaped in the 454 and put a dual propane set up on it so it can switch from gas to propane, for fuel economy.
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71 Chevy CST Long Fleet 350/350/3.07 leaf rear. Last edited by 71Chev; 08-19-2004 at 03:38 PM. |
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#6 |
Watch out for your cornhole !
![]() Join Date: Jun 2003
Location: Azle, Texas
Posts: 14,162
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please show me a picture of a 5 lug front end that is drum brake.
I'm going out on a limb here and am going to say, you either have a 6 lug front end or if it is indeed 5 lug, it has disc brakes. It would be news to me to see a 5 lug drum brake front end, and I've been goofing with Chevy trucks my whole life.
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#7 |
Registered User
Join Date: Aug 2004
Posts: 74
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it's not propane man, it's natural gas, big dif. natural gas don't stink and it burns clean. I know that the engine was swapped. i'm not sure about the wheel setup, because it is 5 lug, and title says 70, but i'm really not so sure on the wheel setup. I don't like to keep it factory, I'm not really high on the whole resto thing. although they do look nice. I wouldn't mind putting a few little touches of modern tech on my baby.
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454 runs on unleaded as well as natural gas orange white two tone paint so many plans for the future ![]() |
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#8 |
Registered User
Join Date: Aug 2004
Posts: 74
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I;ll work on getting that pic for you but its 5 lug and its drum brakes.
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454 runs on unleaded as well as natural gas orange white two tone paint so many plans for the future ![]() |
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#9 |
Senior Member
Join Date: Dec 2000
Location: Indiana
Posts: 3,074
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I want to see the pic of the 5 lug drums also.
Where do you take the truck to fill up on natural gas?
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71 Chevy CST Long Fleet 350/350/3.07 leaf rear. |
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#10 |
Registered User
Join Date: Apr 2004
Location: arkieland
Posts: 1,070
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No such animal, Chevy never made a 5 lug drum brake on a pickup. Also, neither propane or natural gas have any odor, the odor is added so leakage can be detected. You most likely have a 71. Brian
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#11 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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If he has drums and true five lug, not redrilled, who knows what front end he might have. Thats why I said he better find out what is on there first before looking for a conversion kit. Might be better off putting a whole disc brake front x-member in there.
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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#12 |
Senior Member
![]() Join Date: Jun 2002
Location: Murray, Kentucky
Posts: 3,483
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Show me...
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Roger '68 Short step - https://67-72chevytrucks.com/vboard/...d.php?t=849675 '69 ('70?) 2wd Blazer '70 GMC Jimmy 2wd '73 Firebird - https://67-72chevytrucks.com/vboard/...d.php?t=853203 |
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#13 |
Registered User
Join Date: Aug 2004
Posts: 74
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sorry guys, had my info from another family project mixed, my truck is a six lug, sorry for the mix up. It's nice to see that plenty of guys really know what they are talking about. it is drum brakes. I have to drive about 5-10 minutes to get to a gas station that has a compressor/pump for natural gas. Propane cars do stink in my experience, but i have yet smell anything from my natural gas. (on my truck anyway, immature giggles welcome.) But i am not very experienced with mechanics. I am taking courses this year through my high school, and i want to learn so any help is appreciated. I absoulutely love the 67-72 chevs. My dad started to restore mine when i was like 12 or so, and i always wanted it. He wouldn't sell because it has a 454 and plenty of pick up, but the brakes aren't too great to stop all that power. so i bought a 77 and later he agreed to sell it to me. I now planto fully restore it over the next few years.
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454 runs on unleaded as well as natural gas orange white two tone paint so many plans for the future ![]() |
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#14 |
Old Skool Club
![]() Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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It has already been suggested that you check the list of vendors on the left side of the home page, to find one that has conversions to disc brakes. You'll also find that a number of us have already done the conversion, using 71-72 stuff, or swapping in later model cross members and front end assemblies to gain disc brakes. Others have used aftermarket stuff. I used Early Classic Enterprises components. There's a variety of stuff to do it with. It all comes down to the thickness of your wallet, or how much of an allowance you might be getting. At my age (nearly 57) I have no allowance. My wife gets all my money, and gives me enough to buy a sausage biscuit and coffee (senior) at Mickey D's.....once a week.
One question to ask before doing the conversion, is do you want to lower the front end, or not? If not, the options are varied. If so, they are, but you will have to go to a vendor to get the components to drop it. Do you want to use modified control arms, or modified spindles? Some vendors kits will require you to use one-off tie rod ends, while other vendors components will let you use stock tie rod ends. There's a ton of info out there, readily available. Check the vendors, and truck magazines like Classic Truck, Truck Builder, Truckin', Sport Truck, Custom Classic Trucks, etc. Check eBay for parts, and literature. You're still young. You have time to make it like you want it, then you can drive it like it's a rental....or, like you stole it.
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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#15 |
Registered User
Join Date: Aug 2004
Posts: 74
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Thanks alot Chevloray, my truck is already as low as it's gonna go, but it wasn't a very good job, it's just a bit bumpy of a ride. Not too bad, but eventually i want to redo the whole suspension system, thanks for all the references and info. and by the way, it's not allowance. I pay for everything, but i did get the truck for a very sweet deal from my dad. He is a mechanic, and I am getting into it too, maybe not career, but at least a hobby. I want to be able to restore classics, not replace little stuff repeatedly on newer models.
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454 runs on unleaded as well as natural gas orange white two tone paint so many plans for the future ![]() |
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