goin down the disc brake road

[tlivingd]

changin over to disc front brakes on my 70.

im hoping my cheap steelies will fit the disc but i'm not counting on it.

ok i know 15" and about 4-4.5" back spacing BUT! what bolt pattern and is this verified using the way in the summit catalog?

that is the middle of one bolt (skip a bolt going around) and to the top of the next one?

the problem is most of the yards near me pull the wheels and tires as soon as it gets in the yard so i need to ask.

Nate

[gstewart]

never heard of that method of measurement for bolt pattern size .
these a-bodies are 4 3/4 " bolt pattern . why not make a pattern from your current setup , using a piece of 1/4" plywood or whatever u have . tap the wood with a hammer to imprint the wood with the hub bolts , then centre punch each impression and drill it . check for fit .

[tlivingd]

This is the way they describe it in the summit catalog.

tire bolt pattern
bolt circle

http://www.rsracing.com/images/tech-boltcircle.gif