Thread: Headlight Options for 34 Plymouth

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Originally Posted by Dave Severson

I've still got my "Saturday Night" gears on a spool, a set of 6.0's....Hopefully someday I might again have something that's worth putting them into!!!! A spool can be rough on most all of the suspension and steering on a car if you get into a place where you have to turn a bit too sharp!!!! The old noisy, clanking Detroit Locker is still IMO the toughest and most fool proof posi unit, but the new Tru-Trac units are as Roger said, a very smooth posi for the street!!

(But for Saturday night stoplight wars, 6.0's on a spool is still the most fun way to play!!!!!!!!)

I can't IMAGINE 6.0's!! I think my first gear would be about two nanoseconds and fifty feet!!

Originally Posted by rspears

I can't IMAGINE 6.0's!! I think my first gear would be about two nanoseconds and fifty feet!!

Yup, about that long!!!! Last car they were in was my Maverick with a 347 and my old trusty Dough Nash 5 speed----You start pulling the handle for second about the same time you drop the clutch in first, 2nd to 3rd gave you almost time to blink then the last two were a bit more spread out..... But it sure does make for one nasty launch!!!!!!!!!!

I second using a Detroit True-Track. I run one, and it acts like an open differential until you nail the throttle. It is a great way to go for cars like ours.

Originally Posted by rumrumm

I second using a Detroit True-Track. I run one, and it acts like an open differential until you nail the throttle. It is a great way to go for cars like ours.

Wonder how they would hold up with big (500+) hp??? Our last couple years with late models on the dirt we played with the Gold Trac units, circle burner version of the Tru Trac and it did remarkable well!!! Took a lot of the throttle steer out of the car.... My pal Jim has it set up in a differential for his mod on dirt this summer, going to play with it some more in them.

Originally Posted by rumrumm

I second using a Detroit True-Track. I run one, and it acts like an open differential until you nail the throttle. It is a great way to go for cars like ours.

Two things sold me on the TrueTrac - they're pretty much bullet proof for the engines we normally run, and as a spiral gear posi there are no clutches to wear and thus no additives to worry with.

Dave, we were typing at the same time. From Detroit/Eaton's FAQ list:

How much horsepower and torque will the Truetrac take?
There are many factors to consider when determining if a specific differential will last in your vehicle. Horsepower and torque are important factors. However, the weight of the car, tire height/width, the terrain and suspension are all important things to take into consideration.

For example, a setup that uses street tires will live longer because both tires will break loose and spin before any real strain is put on the unit. But as the tire gets wider, the stress on the unit increases because the traction is greater. When in doubt, the best bet is to call us with your specific application and driving conditions.