How to run Ford wheels on a Chevy wheel pattern
From Crankshaft Coalition Wiki
(using 'unilug' pattern aftermarket wheel rims is appropriate content for such an article) |
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For reference, the image above illustrates how bolt circle measurements are calculated for other bolt patterns. | For reference, the image above illustrates how bolt circle measurements are calculated for other bolt patterns. | ||
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| + | == Wheel bolt circle measuring tool == | ||
| + | Often overlooked is the humble wheel bolt pattern gauge. Of the several different types available, the type that comes with the gauges on a large plastic ring may be cumbersome to use. It comes as a kit and has two separate rings, one is SAE, the other is metric, and the kit is expensive. | ||
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| + | An alternative is part number 555-80850 available from Jegs (www.jegs.com) for less than $20.00 (shipping included). The tool works like a typical measuring caliper and measures both SAE and metric 4, 5, 6 and 8 bolt wheels. You place the points in the holes of the rims and read the corresponding chart on the tool. Or, you can place the flat pegs over the tips of the studs and read the supplied chart. The chart stays affixed to the tool, everything is self-contained. | ||
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| + | [[File:Jegs Bolt Gage Pic1 BMP.jpg|Jegs bolt circle gauge]] | ||
==5 on 4-1/2" (5 on 114.3mm) "Ford" bolt pattern== | ==5 on 4-1/2" (5 on 114.3mm) "Ford" bolt pattern== | ||
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Because using bolt pattern adapters compromise wheel rim to hub mounting strength, they may not be legal for use in some forms of automotive racing. | Because using bolt pattern adapters compromise wheel rim to hub mounting strength, they may not be legal for use in some forms of automotive racing. | ||
| − | Some aftermarket wheel | + | Some aftermarket wheel manufacturers make wheels having what is commonly called a 'unilug patten' which have elongated lug nut slots, requiring no adapter and allowing swapping between many popular bolt patterns. |
==Things to consider== | ==Things to consider== | ||
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===Offset=== | ===Offset=== | ||
| − | The offset of a wheel is the distance from its hub mounting surface to the centerline of the wheel. The offset can be one of three types: | + | The offset of a wheel is the distance from its hub mounting surface to the centerline of the wheel. The offset can be one of three types: Remember, the offset will be changed with the installation of adapters. |
====Zero offset==== | ====Zero offset==== | ||
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If the offset of the wheel is not correct for the car, the handling can be adversely affected. When the width of the wheel changes, the offset also changes. If the offset were to stay the same while you added width, the additional width would be split evenly between the inside and outside. | If the offset of the wheel is not correct for the car, the handling can be adversely affected. When the width of the wheel changes, the offset also changes. If the offset were to stay the same while you added width, the additional width would be split evenly between the inside and outside. | ||
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[[Category:Wheels]] | [[Category:Wheels]] | ||
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