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Old 08-22-2020, 05:24 PM   #1
67 twins
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Dimple frame vs shimming steering box?

I know when converting to power steering on a 67 it is necessary to provide clearance for the box. However I don't have access to a torch to dimple the frame which I know is the preferred method. Has anyone shimmed the box or would this adversity affect the steering in some way?
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67 C10 283+.060 (so a 292 as well)T5 swapped longbed fleetside=my DD
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Old 08-22-2020, 05:46 PM   #2
HO455
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Re: Dimple frame vs shimming steering box?

Lots of folks have shimmed their boxes. The down side is that with the box moved over you may find that your turning circle won't be the same in both directions.
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1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo
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Old 08-22-2020, 07:07 PM   #3
Grumpy old man
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Re: Dimple frame vs shimming steering box?

You don't need a huge divot in the frame to make it fit , if you have a cutting wheel and some map gas/ propane torch and a mig welder you can move it enough to work , You'll also have to grind some off the front core support bracket . and then get some stainless lines from Pickmup
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'71 - 350 / 4bolt / 487 heads / Edelbrock C3BX
Muncie M-22 4 speed / Hurst Comp plus
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Smoothed firewall / Factory cowl induction
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Old 08-22-2020, 07:09 PM   #4
geezer#99
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Re: Dimple frame vs shimming steering box?

You are assuming the frame isn’t already dimpled!
Some 67’s were.
A pic of yours will help.
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Old 08-23-2020, 06:23 AM   #5
swb4me
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Re: Dimple frame vs shimming steering box?

A third option exist for power steering on a 67. Buy a cpp steering box cp50014. This thread has pictures and does a good job of explaining why this box doesn't need shimmed or a dimple made.

https://67-72chevytrucks.com/vboard/...d.php?t=729738
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