1966 pontiac stud spacing?

fivestar2010, Feb 20, 8:27pm

need to find out the stud spacing of my 66 pontiac 5x114 or 5x120!

hyphen, Feb 20, 8:30pm

should be 5 x4.5" or 114.3mm

budgel, Feb 20, 8:30pm

Try your wheels on a Holden they are 5x120.

rob_man, Feb 20, 8:31pm

Same as Chev, Jag, HQ, etc.

car27, Feb 21, 6:16am

should be 5 x 4.75 /5 x 120

hyphen, Feb 21, 6:59am

umm.yeah, you're right.
Ignore my earlier post, and pleeeese forgive me

attitudedesignz, Feb 21, 8:21am

5 x 120.65

pge, Feb 21, 10:14am

Depends on the modelPontiac --

http://www.crankshaftcoalition.com/wiki/Wheel_bolt_pattern

5 X 4 3/4" Make Model Years of Production
Pontiac Firebird, GTO, Lemans, Tempest, Trans Am, Grand Prix 1964-'86

5 X 5" Make Model Years of Production
Pontiac All (except Firebird, Trans Am, GTO, Lemans, Tempest, Grand Prix) 1948-'76

phillip.weston, Feb 21, 11:47am

Do not fit 5x120 wheels on a car which has a 5x4.75"(120.65mm) PCD. You will end up bending the studs. Common thing to happen when people put Commodore wheels on earlier HQ-HZ etc models.

pge, Feb 23, 12:29pm

If you have a 14" stud, no WONDER you're a grandma .

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