If you are using a gear calculator and it is coming up 4.27 or 4.30, go to the next lower gear which would be a 4.56. You'll want a little lower gearing than what is needed just because of diameter to make up for the bigger tires being heavier.Is anyone aware of any 4.27 or 4.30 gear sets for the "next gen" Dana30/Dana44?
I've looked around a little bit and haven't come across anything. Just curious if someone had any info on those ratios availability, or lack thereof?
That was exactly my thinking. I was planning on 4.10's but thought a 4.27/4.30 gear set would help offset the extra weight some. Sure would be a nice option for our axles, if one of those were available.If you are using a gear calculator and it is coming up 4.27 or 4.30, go to the next lower gear which would be a 4.56. You'll want a little lower gearing than what is needed just because of diameter to make up for the bigger tires being heavier.
Right taken tire size into account too. But there is a larger difference between 4.10 and 4.56, which is why I asked about the 4.27/4.30 option. Either way, they are apparently not available so discussion is moot.He's right. There's about a 6% difference between the two. You wouldn't notice much difference.
Certainly, but that really is the point. 6% is not worth the hassle of a gear change whereas 10-12% would make a worthwhile difference.
I fully understand .. The power difference is negligible under 4000rpm. What makes the difference is the transmissions. Now back to the gear change. Going from 3.21 to anything even 3.73 is an upgrade. From 3.21 to 4.56 would be an excellent improvement for 35" tires for a DD.I hear ya. Take into account the more powerful 3.6 and the fact that it's a daily driver and you'd better understand my (now abandoned) search for those ratios. Besides, anything is "worthwhile" when re-gearing from 3.21's.