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Powertrain/Axles Tech

Mopar powertrain and axle questions submitted by our readers and answered by our technical editors.

Pattern Maker

I contacted you a few years ago about a noisy 741 pig I built using well used components. I swapped it out and I am finally getting back to the project for my 1966 Belvedere II. My first attempt had the pinion too far away so I tried

Ice Men

Chrysler Powertrain engineers plot the future of Mopar’s internal combustion engines (ICE) with a multi-fuel, MultiAir research project. Diesel fuel/gasoline cocktail anyone? By Lindsay Brooke

Transplant

I am venturing back into theworld of smallblocks and have a transmissionquestion. My platform is a 1973Charger (the actual car from the TV showBurn Notice) and the plan is to use a 1988-1992 LA motor with factory TBI (I know,nonadjustable

Gear Head

We showed you how to tune your engine. Now your drivetraingoes under our microscope for more speed(s) for your steed.STORY & PHOTOS By Richard Ehrenberg, SAE NOTE: THIS ARTICLE IS FOR IDENTIFIACTION, REFERENCE AND HISTORICAL

Dana Dilemma

After owning Mopars since 1971, I justbought a 1967 Coronet R/T, 440, 4-speed.I took the axles out to replace the leakyseals and was surprised to see one axleis longer than the other. I have never seenthat before, please help me

Get Your Bearings

I have six B-body rear axle shafts from two ’69s and one ’70 8¾˝ rears. They all look the same length but have different style bearings. The axles out of one ’69 rear ends have the Timken style bearings and the ’70 has the totally

Pattern Maker

I contacted you a few years ago about a noisy 741 pig I built using well used components. I swapped it out and I am finally getting back to the project for my 1966 Belvedere II. My first attempt had the pinion too far away so I tried

Brotherly Love

I want to replace the Generic Motors10-bolt rear end in my ’36 Dodge Brotherscoupe for an 8¾˝. Question is, in order to centerthe pinion in the driveshaft tunnel I’ll have toshorten the RH axle roughly 2 inches more thanthe LH side. Is

(Over) Drive Time?

I have (finally) gotten my ’69 Charger R/T 440 to the point of routinely driving it (that’s what these cars are for, driving them) and am, of course, not satisfied: even with 3.23 rear gears—it’s turning 2600‑2700 RPM cruising on the

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