Swapping to rack and pinion steering
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Changes to the steering arm can affect the steering geometry and introduce bump steer. So, if you are going to address this issue, (some people don’t) do it before the rack install. | Changes to the steering arm can affect the steering geometry and introduce bump steer. So, if you are going to address this issue, (some people don’t) do it before the rack install. | ||
There are two acceptable methods of dealing with this issue. The preferred method is to replace the steering arms with shorter ones. On the 41 Pontiac upgrade covered in the wiki “37 - 57 Buick Olds Pont suspension upgrade” we were able to replace the original 65-70 Chevy steering arms with a set from a 55-57 chevy. | There are two acceptable methods of dealing with this issue. The preferred method is to replace the steering arms with shorter ones. On the 41 Pontiac upgrade covered in the wiki “37 - 57 Buick Olds Pont suspension upgrade” we were able to replace the original 65-70 Chevy steering arms with a set from a 55-57 chevy. | ||
| − | [[Image: | + | [[Image:chevelle vs_chevy_arm.jpg|frame|none|Chevy 7inch/chevelle 6 inch.]] |
There is a difference in mount width between the BOP arms and Chevy arms, so they won’t work on BOP without the Chevy spindle upgrade. If you are unable to find shorter arms for your application, bending the originals is the next option. You will find mixed opinions on this issue. Some will insist that heating and bending steering arms compromises their structural integrity and should never be done. Others warn you to be sure they are forged and not cast arms. Bending forged arms is OK, bending cast is not. | There is a difference in mount width between the BOP arms and Chevy arms, so they won’t work on BOP without the Chevy spindle upgrade. If you are unable to find shorter arms for your application, bending the originals is the next option. You will find mixed opinions on this issue. Some will insist that heating and bending steering arms compromises their structural integrity and should never be done. Others warn you to be sure they are forged and not cast arms. Bending forged arms is OK, bending cast is not. | ||
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