Quote:
Originally Posted by Andyboy
Is this the HO52. The SPID says it came with 4:10 ratio
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yes,that's it and 4.10s is as good as you'll do. dana 60s are 4.11 and Corporate axles are 4.10. No biggy,but that's where you get two ratios so close. The same for 4.56 for Dana and 4.57 for Corporate.
Anyway,you either have really short tires or your numbers are off. I can run 60 or faster at around 3,000. You can find a Dana60 from these years with 3.54s or make the later 14-bolt work by moving spring pads and shock mounts. Or,just drive at 60-70 and listen to her sing. It won't hurt. I like 4.10s and run my trucks at 75-80. Afyter running overdrive vehicles for a while it does feel like it's being pushed. But,that's all we had for years and never thought a thing about it. My '92 with overdrive (5spd) has 4.10s and I love it. I've caught myself on the hiway,after stop and go,running most of the way home in 4th without thinking about it because I'm used to the old stuff.