65-70 Full Size Chassis Tech Forum

68 Grande · 68 Grande

I have been thinking about getting some fancy wheels for my 68 Grande and I like the American Racing toque thrust wheels. I currently have 7 inch x 15 Pontiac Ralleys on it with 235 70 15 in the front and 255 60s on the back. I like the size of these wheels, they look ok but I have a hankering for a Torque Thrus...

Leo2+2 · Leo2+2

Hi guys Last Saturday was super hot, hit 33°C. I drove the car on the highway, then stop & go traffic. When I got home the radiator was overflowing and temperature indicating 250°F which I never before saw such temperature. Last year I changed the thermostat on my 67 2+2 since I had a similar issue bu...

68 Grande · 68 Grande

I am wondering if anyone has advice on how to bleed the master on a new install. It is a disc / disc master and I am going to need to do a bench bleed so I am wondering if anyone has any tips or a process that they would care to share. This is almost the conclusion on my drum to disc conversion and suspension rebu...

ABC123 · ABC123

Hi everyone, No doubt, I have not used my car much in the past two years, 8 weeks ago, I had the car out and put the top down and left it down. Today, I went for a quick trip and when I got home, I decided to pop the top back up. She moved a little but did just not have the lift. So far I found this, https://canadianp...

68 Grande · 68 Grande

Good morning Poncho nation, I have a question regarding my 68 power booster and namely the push rod. I am in the process of converting the front brake system over to a C3 disc brake system as well as installing new lower and upper control arm bushings and I am in the home stretch a being finished. But, I ha...

Hobbes · Hobbes

Hi, does anybody know where I can get the proper length front emergency brake cable?I own a 1965 strato chief waggon I ordered a inline tube E brake kit for a standard 65 impala. Everything fit except for the front cable. I just got another one from car ID. The overall length is correct. But the colla...

65wagon · 65wagon

dumb question, does anyone have pics of how they routed the brake lines when doing this conversion, the rubber vette lines are a few inches too short

SGS Welding · SGS Welding

Looking for a little clarification I was on Rock Auto looking up new drums under 67 Parisienne they offer 1 flavour finned front by Raybestos they offer 1 flavour finned rear by Rabestos they look like good quality stuff for your average car then if you look up 67 Impala MANY different choices from c...

LT1Caddy · LT1Caddy

Hi.... Can someone send me a picture with dimensions for these 2 year frames. They are available in GM chassis manuals, ( they are in the Chevy manual) or from a Mitchell book. Email me here, need it ASAP Thanks in advance

68 Grande · 68 Grande

I am in the process of a brake conversion from drum to disc on the 68 Grande. I have C3 spindles and hubs I am re-packing new bearings and getting close to installing the hubs on the spindles but I have a few questions on the following: 1) After the bearings are packed, how much grease should you put inside...

JC2+2 · JC2+2

My 68 2+2 has always had a slight brake pull to the right. Not huge but still there. I fought with it years ago and finally just loosened the brake setting on that side to smoothen it out to a point of being hardly noticeable. Well this past weekend I converted the front over to 70 single piston disc brakes....

JC2+2 · JC2+2

Does anyone have a good part number for 70 B Body brake rotors? The Centric number is 120.62066 but when crossed over Raybestos, Wagner, or Winhere all come up with rears for a Pontiac Montana. Cant find a number using application with these companies either. Any help with a good number would be apprec...

SGS Welding · SGS Welding

I was wondering if someone could take a picture of the rear flex line on your 67? After looking at pictures of new lines on RockAuto and the Hubbard Impala catalogue , I am convinced the previous owner installed a flex line for a 69 or 70. From what I can tell the 66 67 68 line screws into a T fitting the 69 70 li...

oshawacliff · oshawacliff

I bought these 2 kits so I could check the pressures on the front calipers. Turns out they didn't get used.. Can anyone use one or both. 30.00 for pair SOLD -- Edited by oshawacliff on Wednesday 1st of May 2019 06:56:20 PM

65wagon · 65wagon

after about three or more years of hording parts and other projects I got around to doing the brakes and repair. had to make up a table and tool to do it though -- Edited by 65wagon on Sunday 14th of April 2019 09:04:44 PM

Dootch · Dootch

im looking for new coil springs for the rear of my 65 Convertible Parisienne. Where could I find some and what else fits ? -- Edited by Dootch on Sunday 25th of November 2018 06:37:26 AM

4SPEED427 · 4SPEED427

I am thinking when I do my engine swap I will likely need to change front springs. I have a pair here I bought from Mark (Cdnpont) and may try them. I was doing some online reading tonight and found this on a Chevy forum. Has anyone else experienced this, where the replacement has more coils than the origin...

Leo2+2 · Leo2+2

Just received my re-chromed bumper and I don't want to put the old bolts, I want new ones. Does anyone know how many I need of each for a 67 Parisienne? There are 12 in the front & 4 in the back bumper. They are a mix of 1" and 1½" and I'm not sure if 5/16 or 3/8 assuming they are all the same width. What I am su...

68 Grande · 68 Grande

I recently had a good look at my upper control arm bushings and without a doubt, these upper bushings are toast. The rubber is squishing out and the rubber hole is elongated and there is a lot of play in the bushing itself. So, I knew this day was coming that I would have to address the front end bushings (...

Leo2+2 · Leo2+2

I'm trying to remove the front bumper. The parking lights & housing go through a bracket that only so the wiring stays in place but the housing won't go through. I need to disconnect it. Any ideas where? 67 Parisienne.

Topic		Started By	Replies	Views	Last Post
	Wheel back spacing / offset (Preview) I have been thinking about getting some fancy wheels for my 68 Grande and I like the American Racing toque thrust wheels. I currently have 7 inch x 15 Pontiac Ralleys on it with 235 70 15 in the front and 255 60s on the back. I like the size of these wheels, they look ok but I have a hankering for a Torque Thrus...	68 Grande	4	1881	Aug 21, 2019 by ABC123
	Radiator issue (Preview) Hi guys Last Saturday was super hot, hit 33°C. I drove the car on the highway, then stop & go traffic. When I got home the radiator was overflowing and temperature indicating 250°F which I never before saw such temperature. Last year I changed the thermostat on my 67 2+2 since I had a similar issue bu...	Leo2+2	8	1244	Aug 11, 2019 by Leo2+2
	68 Master Cylinder bleed - disc brake conversion (Preview) I am wondering if anyone has advice on how to bleed the master on a new install. It is a disc / disc master and I am going to need to do a bench bleed so I am wondering if anyone has any tips or a process that they would care to share. This is almost the conclusion on my drum to disc conversion and suspension rebu...	68 Grande	14	1167	Aug 8, 2019 by cdnpont
	I can't get it up ! My convertible top that is ! (Preview) Hi everyone, No doubt, I have not used my car much in the past two years, 8 weeks ago, I had the car out and put the top down and left it down. Today, I went for a quick trip and when I got home, I decided to pop the top back up. She moved a little but did just not have the lift. So far I found this, https://canadianp...	ABC123	8	1250	Jul 22, 2019 by ABC123
	68 power brake booster - push rod question (Preview) Good morning Poncho nation, I have a question regarding my 68 power booster and namely the push rod. I am in the process of converting the front brake system over to a C3 disc brake system as well as installing new lower and upper control arm bushings and I am in the home stretch a being finished. But, I ha...	68 Grande	4	1047	Jul 22, 2019 by 68 Grande
	E-Brake cable Emergency brake (Preview) Hi, does anybody know where I can get the proper length front emergency brake cable?I own a 1965 strato chief waggon I ordered a inline tube E brake kit for a standard 65 impala. Everything fit except for the front cable. I just got another one from car ID. The overall length is correct. But the colla...	Hobbes	18	1459	Jun 13, 2019 by Hobbes
	vette disk brake conversion (Preview) dumb question, does anyone have pics of how they routed the brake lines when doing this conversion, the rubber vette lines are a few inches too short	65wagon	5	1636	Jun 11, 2019 by braden_3

	67 Parisienne drum brakes (Preview) Looking for a little clarification I was on Rock Auto looking up new drums under 67 Parisienne they offer 1 flavour finned front by Raybestos they offer 1 flavour finned rear by Rabestos they look like good quality stuff for your average car then if you look up 67 Impala MANY different choices from c...	SGS Welding	6	1599	Jun 5, 2019 by JC2+2
	66 & 67 Poncho frame diagram (Preview) Hi.... Can someone send me a picture with dimensions for these 2 year frames. They are available in GM chassis manuals, ( they are in the Chevy manual) or from a Mitchell book. Email me here, need it ASAP Thanks in advance	LT1Caddy	5	1328	Jun 1, 2019 by cdnpont
	68 front wheel hub bearing re-pack (Preview) I am in the process of a brake conversion from drum to disc on the 68 Grande. I have C3 spindles and hubs I am re-packing new bearings and getting close to installing the hubs on the spindles but I have a few questions on the following: 1) After the bearings are packed, how much grease should you put inside...	68 Grande	12	1488	May 30, 2019 by 68 Grande
	Finally Found my Brake Pull (Preview) My 68 2+2 has always had a slight brake pull to the right. Not huge but still there. I fought with it years ago and finally just loosened the brake setting on that side to smoothen it out to a point of being hardly noticeable. Well this past weekend I converted the front over to 70 single piston disc brakes....	JC2+2	5	1445	May 29, 2019 by 4SPEED427
	Part Number needed for ‘70 B Body Brake Rotors. (Preview) Does anyone have a good part number for 70 B Body brake rotors? The Centric number is 120.62066 but when crossed over Raybestos, Wagner, or Winhere all come up with rears for a Pontiac Montana. Cant find a number using application with these companies either. Any help with a good number would be apprec...	JC2+2	16	2367	May 16, 2019 by rebelrouser
	Rear Brake Flex Line 67 Parisienne Convertible ( 1 2 ) (Preview) I was wondering if someone could take a picture of the rear flex line on your 67? After looking at pictures of new lines on RockAuto and the Hubbard Impala catalogue , I am convinced the previous owner installed a flex line for a 69 or 70. From what I can tell the 66 67 68 line screws into a T fitting the 69 70 li...	SGS Welding	29	1871	May 11, 2019 by Pontiacanada
	Brake fluid pressure test kits SOLD (Preview) I bought these 2 kits so I could check the pressures on the front calipers. Turns out they didn't get used.. Can anyone use one or both. 30.00 for pair SOLD -- Edited by oshawacliff on Wednesday 1st of May 2019 06:56:20 PM	oshawacliff	4	1374	May 1, 2019 by cdnpont

	65 wagons disk brake conversion and front end update (Preview) after about three or more years of hording parts and other projects I got around to doing the brakes and repair. had to make up a table and tool to do it though -- Edited by 65wagon on Sunday 14th of April 2019 09:04:44 PM	65wagon	8	1153	Apr 18, 2019 by 4SPEED427
	Rear Coil Springs (Preview) im looking for new coil springs for the rear of my 65 Convertible Parisienne. Where could I find some and what else fits ? -- Edited by Dootch on Sunday 25th of November 2018 06:37:26 AM	Dootch	6	1706	Apr 2, 2019 by bensonr
	65-70 Front Springs (Preview) I am thinking when I do my engine swap I will likely need to change front springs. I have a pair here I bought from Mark (Cdnpont) and may try them. I was doing some online reading tonight and found this on a Chevy forum. Has anyone else experienced this, where the replacement has more coils than the origin...	4SPEED427	15	1651	Mar 31, 2019 by seventy2plus2
	Original Bumper Bolts question (Preview) Just received my re-chromed bumper and I don't want to put the old bolts, I want new ones. Does anyone know how many I need of each for a 67 Parisienne? There are 12 in the front & 4 in the back bumper. They are a mix of 1" and 1½" and I'm not sure if 5/16 or 3/8 assuming they are all the same width. What I am su...	Leo2+2	13	1337	Nov 9, 2018 by Pontiacanada
	68 Grande front suspension bushings (Preview) I recently had a good look at my upper control arm bushings and without a doubt, these upper bushings are toast. The rubber is squishing out and the rubber hole is elongated and there is a lot of play in the bushing itself. So, I knew this day was coming that I would have to address the front end bushings (...	68 Grande	8	1602	Nov 2, 2018 by 65wagon
	How do you disconnect parking lights? (Preview) I'm trying to remove the front bumper. The parking lights & housing go through a bracket that only so the wiring stays in place but the housing won't go through. I need to disconnect it. Any ideas where? 67 Parisienne.	Leo2+2	1	1175	Oct 30, 2018 by Leo2+2
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