65-70 Full Size Chassis Tech Forum

SGS Welding · SGS Welding

I want to do a little weekend Drag racing at the local track. (Grand Bend) What is the best / most complete / quality ( not China) kit I should buy? Thanks Greg

ABC123 · ABC123

We started to talk about this on another post (my 69 2+2) You guys gave us some really good points and ideas of what to check. A great rainy day project that I tackled today. I ran new ground straps to the tank and the cluster. Tested to make sure each were showing good ground. No luck with the gauge. Got out m...

ABC123 · ABC123

Last year when I was building my bumper/grill assembly, I decided to go with all new headlights. I usually drive with the lights on during the day for safety. Sunday, when I moved the car I noticed one had blown out already. The other one has a stress crack ! I kept the bulbs that I took out. High beams consi...

Johnjr · Johnjr

Need front disc brake rotors one piece style for my 1970 Pontiac Bonneville Can be from 69/70 Pontiac Bonneville or Catalina

LT1Caddy · LT1Caddy

Hi..... So I want install Corvette rims 8x15 all the way around on a 66 Biscayne (Stratochief..same car basically). With the 8x15 and 215/65-15 the tires hitting the bottom front corner of the wheel well. I have seen cars on the internet with this setup. How do I accomplish that? Currently the F/E has...

oldsledguy · oldsledguy

Im putting new emergency brake cables on my 65 Custom Sport. The original was not working and missing parts. Ive got the rear cables and the one to the pedal mounted. I have the cable run through the adjuster and the tabs on the floor boards. I just cant figure where the hook to take up the slack goes. Looks...

jonathanD · jonathanD

Hey everyone Ive been around Most of the day for a rear disc brake kit for my 12 bolt! ive looked through summit, cpp, jegs, speedway and a lot of the kits on there have mixed or poor reviews! so Im wondering if anyone one on here has swapped disc brakes onto there 12 bolts looking to spend under 1000$ if poss...

Weetodded24 · Weetodded24

Hey. I've been flipping through the forum for a while now, trying to get an answer to this question, will a 65/66 Impala front suspension bolt directly on to my 65 Parisienne 4DR HT with no modifications, more specifically, the upper and lower control arms? I am looking to put a 1 piece aftermarket low...

SGS Welding · SGS Welding

Not sure what bearing I need? 5707 or 1563 are they good quality? axle seals as well 30196 anyone else have experience I just dont want to end up with cheap China junk

oldsledguy · oldsledguy

What is the wheel code stamped on a wheel for a 1965 Custom sport with heavy suspensio and big block. Mine has aftermarket and the originals are long gone.

oldsledguy · oldsledguy

On a 65 Custom Sport what does the heavy suspension include and was this option added when the 409 was ordered?

4SPEED427 · 4SPEED427

I've had so much pressure to convert my 66 to a dual master I'm considering getting the parts together for the conversion. I may never do it, who knows. I need info please from anyone with experience. I will NOT be adding disc brakes to this car, and I will NOT be adding power brakes to this car, strictly...

Leo2+2 · Leo2+2

For a long time I've been searching the net for original 15 inch hubcaps. Theses were available for station wagons with disc brakes. Pages 41 & 42 of my manual makes reference to such wheels but I've never seen a set anywhere. Does anyone know anything about which hubcaps were used and what they loo...

ABC123 · ABC123

Installing my new shocks, Thank you Mr Delco for the new hardware. That's not always the case in aftermarket parts. My driver's side spring appears to be off location. It has a bit of a curve and rubs on the frame pocket opening. Original springs but I had then out when I added lift pucks on the trailing ar...

cdnpont · cdnpont

Yesterday I installed the Pittman arm on my manufactured Saginaw box. I used red locktite on the new nut along with the lockwasher. Used my big electric impact gun to run the arm up onto the splines. Gave it a good hit. Now it appears the box has some very slight play off center. It had zero play previous...

cdnpont · cdnpont

Anyone know for certain the rear bleed screw size on a 65 Full size? Is it 5/16-24? I'd like to do some speed bleeders back there.

cdnpont · cdnpont

I'm having a bear of a time getting my master to rear line to seal at the union. Seems no matter what, I am getting a hint of weep. I took the advice from here, and built up to tightening, on/on and slowly. And I'm on the third line now. Second union. Though I had it, but there is still a slight hint of weep. Firs...

tramminc · tramminc

Their are 4 bolts holding the face of the bumper on the brackets, what size are they 1/2 or 5/8 carriage? And how long?

Macker · Macker

I met a guy at a cruise night with some steering issues in his car. He has manual steering, 283 cu inch. i am trying to help him source some parts, my understanding 67-70 full size have the same front end. He needs a center link and steering box for sure, will put him in contact with norm for the Center link bu...

LT1Caddy · LT1Caddy

Hi... Any info on converting to rear disc brakes on 66 B body using C3 vette parts???? Thx in advance -- Edited by LT1Caddy on Monday 7th of September 2020 12:14:20 AM

Topic		Started By	Replies	Views	Last Post
	Line lock for 67 Parisienne (Preview) I want to do a little weekend Drag racing at the local track. (Grand Bend) What is the best / most complete / quality ( not China) kit I should buy? Thanks Greg	SGS Welding	0	1102	Jul 16, 2021 by SGS Welding
	Fuel Gauge Issues (Preview) We started to talk about this on another post (my 69 2+2) You guys gave us some really good points and ideas of what to check. A great rainy day project that I tackled today. I ran new ground straps to the tank and the cluster. Tested to make sure each were showing good ground. No luck with the gauge. Got out m...	ABC123	22	1645	Jun 22, 2021 by seventy2plus2
	GM Canada Power Beam Headlights. (Preview) Last year when I was building my bumper/grill assembly, I decided to go with all new headlights. I usually drive with the lights on during the day for safety. Sunday, when I moved the car I noticed one had blown out already. The other one has a stress crack ! I kept the bulbs that I took out. High beams consi...	ABC123	9	1348	May 27, 2021 by cdnpont
	Front disc brake rotors for 69/70 Pontiac (Preview) Need front disc brake rotors one piece style for my 1970 Pontiac Bonneville Can be from 69/70 Pontiac Bonneville or Catalina	Johnjr	3	1246	May 17, 2021 by cdnpont
	66 F/E alignment (Preview) Hi..... So I want install Corvette rims 8x15 all the way around on a 66 Biscayne (Stratochief..same car basically). With the 8x15 and 215/65-15 the tires hitting the bottom front corner of the wheel well. I have seen cars on the internet with this setup. How do I accomplish that? Currently the F/E has...	LT1Caddy	8	1592	May 3, 2021 by LT1Caddy
	E Brake Routing (Preview) Im putting new emergency brake cables on my 65 Custom Sport. The original was not working and missing parts. Ive got the rear cables and the one to the pedal mounted. I have the cable run through the adjuster and the tabs on the floor boards. I just cant figure where the hook to take up the slack goes. Looks...	oldsledguy	2	1207	Apr 19, 2021 by cdnpont
	12 bolt disc brake kit? (Preview) Hey everyone Ive been around Most of the day for a rear disc brake kit for my 12 bolt! ive looked through summit, cpp, jegs, speedway and a lot of the kits on there have mixed or poor reviews! so Im wondering if anyone one on here has swapped disc brakes onto there 12 bolts looking to spend under 1000$ if poss...	jonathanD	8	1530	Apr 15, 2021 by rebelrouser

	1965 Parisienne 4DR HT front suspension. (Preview) Hey. I've been flipping through the forum for a while now, trying to get an answer to this question, will a 65/66 Impala front suspension bolt directly on to my 65 Parisienne 4DR HT with no modifications, more specifically, the upper and lower control arms? I am looking to put a 1 piece aftermarket low...	Weetodded24	3	1177	Apr 13, 2021 by cdnpont
	12 bolt axle bearings? (Preview) Not sure what bearing I need? 5707 or 1563 are they good quality? axle seals as well 30196 anyone else have experience I just dont want to end up with cheap China junk	SGS Welding	1	1295	Mar 28, 2021 by SGS Welding
	1965 wheel code (Preview) What is the wheel code stamped on a wheel for a 1965 Custom sport with heavy suspensio and big block. Mine has aftermarket and the originals are long gone.	oldsledguy	0	1074	Mar 13, 2021 by oldsledguy
	Heavy duty suspension (Preview) On a 65 Custom Sport what does the heavy suspension include and was this option added when the 409 was ordered?	oldsledguy	3	1127	Mar 9, 2021 by 4SPEED427
	66 Convert to Dual Cylinder ( 1 2 ) (Preview) I've had so much pressure to convert my 66 to a dual master I'm considering getting the parts together for the conversion. I may never do it, who knows. I need info please from anyone with experience. I will NOT be adding disc brakes to this car, and I will NOT be adding power brakes to this car, strictly...	4SPEED427	29	2061	Feb 28, 2021 by 67Poncho
	Rare 67 15-inch hubcaps ( 1 2 ) (Preview) For a long time I've been searching the net for original 15 inch hubcaps. Theses were available for station wagons with disc brakes. Pages 41 & 42 of my manual makes reference to such wheels but I've never seen a set anywhere. Does anyone know anything about which hubcaps were used and what they loo...	Leo2+2	25	2724	Feb 28, 2021 by Leo2+2
	I may have a rear spring installed wrong (Preview) Installing my new shocks, Thank you Mr Delco for the new hardware. That's not always the case in aftermarket parts. My driver's side spring appears to be off location. It has a bit of a curve and rubs on the frame pocket opening. Original springs but I had then out when I added lift pucks on the trailing ar...	ABC123	12	1645	Jan 14, 2021 by ABC123

	Installing the pitman arm on a power steering box, question. (Preview) Yesterday I installed the Pittman arm on my manufactured Saginaw box. I used red locktite on the new nut along with the lockwasher. Used my big electric impact gun to run the arm up onto the splines. Gave it a good hit. Now it appears the box has some very slight play off center. It had zero play previous...	cdnpont	9	1704	Jan 10, 2021 by cdnpont
	1965 rear bleeder screw size? (Preview) Anyone know for certain the rear bleed screw size on a 65 Full size? Is it 5/16-24? I'd like to do some speed bleeders back there.	cdnpont	2	1200	Oct 26, 2020 by cdnpont
	3/16 Reverse flare sealing issues. (Preview) I'm having a bear of a time getting my master to rear line to seal at the union. Seems no matter what, I am getting a hint of weep. I took the advice from here, and built up to tightening, on/on and slowly. And I'm on the third line now. Second union. Though I had it, but there is still a slight hint of weep. Firs...	cdnpont	11	1315	Oct 22, 2020 by cdnpont
	1968 pontiac catalina bumper bolt size (Preview) Their are 4 bolts holding the face of the bumper on the brackets, what size are they 1/2 or 5/8 carriage? And how long?	tramminc	3	1280	Sep 14, 2020 by seventy2plus2
	1967 Pontiac strato chief steering box (Preview) I met a guy at a cruise night with some steering issues in his car. He has manual steering, 283 cu inch. i am trying to help him source some parts, my understanding 67-70 full size have the same front end. He needs a center link and steering box for sure, will put him in contact with norm for the Center link bu...	Macker	5	1431	Sep 14, 2020 by cdnpont
	Looking for info on Rear vette conversion on 66 B body (Preview) Hi... Any info on converting to rear disc brakes on 66 B body using C3 vette parts???? Thx in advance -- Edited by LT1Caddy on Monday 7th of September 2020 12:14:20 AM	LT1Caddy	1	1210	Sep 7, 2020 by rebelrouser
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