Front Brake Line Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Primered_69 · 12-04-2005, 08:24 PM

Can you use 73-87 Chevy front crossmember lines on a 71-72crossmember? If so, are the brake koses to calipers the same? What changes have to be made?

**dennislbrooks** · 12-04-2005, 09:18 PM

I believe Matt67350 has done this. I do not think you will have any problem.

krue · 12-05-2005, 01:10 AM

I'll have to look, but off the top of my head they're not the same. The 71/2 lines run along the crossmember, but the 73+ run along that little crossmember below the radiator, with the proportioning valve mounted on the little crossmember. I don't remember the hose setup. If you need I'll try to take some pics tomorrow.

72MARIO · 12-05-2005, 01:59 AM

Yes you can use a 73 up line in a 72 and older crossmember. The hole is in the frame rail already just like the73 up trucks. You can find a rubber gromment to fit in the hole where the old flex line eneded and turned to hard line.

Tx Firefighter · 12-05-2005, 01:36 PM

I agree.

Look at Matt's trucks. He uses 73-87 stuff just like you're asking about. Works great and looks good too. Nice factory bent lines look good.

12-04-2005, 08:24 PM	#1
Primered_69 Registered User Join Date: Sep 2002 Location: Fort Worth Posts: 1,409	Front Brake Line Question Can you use 73-87 Chevy front crossmember lines on a 71-72crossmember? If so, are the brake koses to calipers the same? What changes have to be made? __________________ 1969 Chevy LWB - with shaved handles; 3 1/2 front/ 5 1/2 rear drop; (waiting to be put back together) Last edited by Primered_69; 12-04-2005 at 08:27 PM.

12-04-2005, 09:18 PM	#2
dennislbrooks Senior Member Join Date: Feb 2004 Location: Williamsburg, Ohio Posts: 1,798	Re: Front Brake Line Question I believe Matt67350 has done this. I do not think you will have any problem. Last edited by dennislbrooks; 12-04-2005 at 09:19 PM.

12-05-2005, 01:10 AM	#3
krue Designated A-hole! Join Date: Mar 2003 Location: South Mississippi Posts: 36,448	Re: Front Brake Line Question I'll have to look, but off the top of my head they're not the same. The 71/2 lines run along the crossmember, but the 73+ run along that little crossmember below the radiator, with the proportioning valve mounted on the little crossmember. I don't remember the hose setup. If you need I'll try to take some pics tomorrow. __________________ "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"

12-05-2005, 01:59 AM	#4
72MARIO Registered User Join Date: Nov 2000 Location: Huntsville Ontario Canada Posts: 4,051	Re: Front Brake Line Question Yes you can use a 73 up line in a 72 and older crossmember. The hole is in the frame rail already just like the73 up trucks. You can find a rubber gromment to fit in the hole where the old flex line eneded and turned to hard line. __________________ 1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD

12-05-2005, 01:36 PM	#5
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: Front Brake Line Question I agree. Look at Matt's trucks. He uses 73-87 stuff just like you're asking about. Works great and looks good too. Nice factory bent lines look good. __________________ I'm on the Instagram- @Gearhead_Kevin

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