Found a '75-ish 318 Swinger in the local you-pick yard. Has the t-bars still... aren't they .870 or .890? I know it's not a huge change, but similar bars made a difference in my wife's prev '64 Dart and i figure they're better than spending $300 on MP bars.

The stock slant six and base 318 bar's are the same from 1973-1976 the 890/891 bar... these are the same size as the small block V-8 bar up to 1972... if the Dart has a 318 and A/C, then it was optioned for the same bar the 340/360 cars got (892/893), these are a nice step up if using other suspension upgrades (my duster sure liked them over it's 'stock' bars).

Good hunting,

-D.Idiot

They would be .850" (low perf V8) or .870" (high perf V8, AC V8, handling package). .890" bars were only used on big block a-bodies.

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If you get lucky and win the wrecking yard lottery... A-body Taxi and Cop car bars are the only other option that year ( so a nice stiff .94 T-bar...)

LOL

-D.Idiot

I don't know the cutoff year, but they used 0.830" in base Darts and Valiants w/o AC and other bells/whistles up to 1970 or so? All of my cars have had those.

0.850" would be standard on the '75, I believe, and 0.870" the upgrade as others have said. Easy to measure with a dial caliper.

Lou

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Home of Slant6-powered fun machines since 1988

Thanks guys. The '64 Valiant has the weedy .830, i think? Anyway I'll try to head over there on my lunch break and pull them.

DI - I don't believe I've ever seen an A-body taxi or cop car, on the road, in a car show or in a junkyard... Were they sold in all US regions?

Got 'em. Turns out the car had AC, they're the .870" #892/893 bars $40 seemed a little high for a junkyard price but it sure beats the price of aftermarket ones these days.