I assumed that all the early chevy`s had a 5 x 4.75 bolt pattern! I went to the junkyard to get 4 bare 15" rims to put the chassis on to roll back under the body. I came home and tried to put them on and am finding out that it has 5 x 4.50! I did a disc brake upgrade and thought they sent me a wrong set of rotors but then measured the rear which I re-used the original axles and again found 4.50! Which is it?
All 50 & 60's Chevelle, Nova, Camaro and full size are 5 on 4.75, except 4 lug wheels. The problem comes in the 70's when some wagons and full size have a bigger pattern, if I remember correctly 5 on 5" (2 WD pick-up size). My first thought is you have ford, rambler, mopar, jeep or mopar wheels...............
You guys are correct as was I in my thinking except it`s right in front of me! I didn`t change out the rear-end and that has the 4.50 inch axles. Now am I measuring incorrectly? I went from center to center on the studs and the holes on the rims. I quit drinking a while ago so I`m not under the influence! This is really got me stumped!
I think you are saying your new used wheels will not fit the axle by 1/4". Without being there I'll guess you have 5 on 5" wheels. You need to measure the center line of the lugs, not lug to lug, because they are not across from each other............
The wheel section in a Summit catalog will have a picture of how to measure.
I htink you measure the bolts from center to outside for the correct pattern which should put them at 4.75".
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