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#221
07-18-2016, 08:17 AM
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This was an awesome thread! The car looks stunning. Hope it treats you well and you have miles of enjoyment. Congrats! You should go pro the entire car take it for a ride, post it to you tube so we can hear and see it!
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#222
07-18-2016, 05:07 PM
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Stunning car. Just outstanding.
__________________
Greg Reid Palmetto, Georgia |
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#223
07-18-2016, 09:40 PM
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Quote:
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#224
07-22-2016, 07:14 AM
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Time to enjoy the ride. 👍
__________________
 ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far..  through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#225
07-22-2016, 09:54 AM
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#226
08-08-2016, 11:18 PM
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Logged on 500 miles to Goodguys and back last weekend and she didn't miss a beat. Here are a few pics from this past Thursday.
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#227
08-19-2016, 08:35 PM
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61 Catalina
Hope this works. I saw it on Facebook and didn't see it anywhere on here
https://www.facebook.com/media/set/?...2615672&type=3 |
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#228
08-19-2016, 08:49 PM
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Not a facebook member so I can't veiw it.
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#229
08-23-2016, 03:42 PM
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Your pictures have been a big help
I didn't realize it was 2010 when I disassembled my 60 until I was looking at my pictures. I took lots of pictures but not enough.
Yours have been a great help as to how things go. I am ready for gas, a battery, and connecting the starter solenoid wires. Assuming it starts, the next stop is an exhaust system. Thanks for all your help. Now I just have to figure out which post the solenoid purple wire goes to. Thanks! |
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#230
08-24-2016, 09:32 AM
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#231
08-24-2016, 10:53 AM
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#232
10-19-2016, 01:50 AM
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Hi Dan -
I sure enjoyed reading through your project. I have a question: What was the purpose of the 2" step in the lower control arms? That lowers the front end a bit? What does it do to any geometry as the suspension cycles? Did you just move the joint vertically up 2", or did you move forward at all to get more caster? Awesome workmanship. Really gave me a new appreciation for the 60. - Scott |
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#233
10-19-2016, 12:13 PM
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Quote:
No one makes a dropped spindle for the early Pontiac so stepping the control arm is the only option and was common place back in the day on even the Chevy cars & trucks before the dropped spindles hit the market. Stepping the control arm does not affect the geometry of the suspension if you move the ball joint directly vertical but, you do have to take into account when stepping the rise of the upper control arm as well. When stepping the lower arm you are actually raising the upper the same distance. As the upper rises up it moves in and, with a 2" step on this project the upper control arm moved in 3/16" so, when I stepped the lower I needed to adjust the length of the lower arm to match. In doing so I chose to shorten the lower control arm 5/16", 1/8" shorter then needed. This gave me more adjustment on my caster for modern radial tires and it worked out perfect. On these old cars it is common to hear stories of vehicles that can not be aligned because the frame has rolled so the solution is to find cross shafts that are adjustable (mostly Chevy) of course those parts are not available for the early Pontiac's so I decided to build it in just in case there was a issue. I think that pretty much sums it up. Dan |
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#234
10-20-2016, 11:52 PM
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Great explanation Dan.
On my 61, the original design was for negative caster (upper BJ in front of spindle!). Yes, that is correct and weird. So, with modern tires, it was especially hard to align for positive caster. I did a pretty deep study and tried a couple things, but ultimately I cut off the shock towers from the frame and rotated them back a bit. For lowering, I cut the springs, can't remember how much, but that worked well for me. I also found fault with the original center link design. I don't know about 60, but with the 61, the center of each pivot point on the center link (where idler, pitman, and tie rods all connect to center link) were not in perfect alignment along the axis. So if you grabbed and rotated the center link on it's axis, the idler and pitman would stay put, but it would waggle the tie rods a little, so there was slop. I don't know if my original center link was bent or if they are all cast like that. But I built an I-beam style heavy duty centerlink on heims and can rotate link on axis without any movement in the geometry, and bump steer was adjustable where heim mounted to spindle which helped. I also built an oversized idler arm with a large frame mounted plate to get rid of that flex. Oversize sway bar too. I have owned a couple 61's and the suspension changes were my favorite because you can feel the improvements and makes for more enjoyable driving. 245 radial tires on my first 61 was a menace. Same tires and wheels with the mods mentioned above on my current 61 is real sure and buttery. |
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#235
10-21-2016, 10:03 PM
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Great tech on these last few posts, guys!
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