Sir Axlerod.

[Ruger_556]

have yet to pay for a website membership, but I may. This used to be a little more close knit forum... we'll see if I find that again here, I only check in every so often, as I am not doing anything witht he IDI, besides cussing it for being too broke to do anything with it.

I'm not a paying member, just install Adblock Pro (which is free) on your browser. I don't see ads anywhere, no Youtube commercials and no ads on Facebook either.

 

[Sir AxleRod]

I have adblock pro.

 

[Sir AxleRod]

So according to GrimmJeeeper.com, if I go with my NP435 3.73's and a 41" tire, I'm 24xx rpm at 80. If I go with a 37" tire, and a ZF-6, with my 3.73's, I'm 19xx rpm at 80.

Is it worth the $2800 entry fee to get into a ZF and t-case for a 400~ rpm gain at 80, especially at a 2" ground clearance sacrifice?

Road RPMs at given speed in miles per hour

Gear
35/mph/60mph/80mph
1 6902 1183115775
2 3934 6743 8991
3 2503 4291 5721
4 1561 2677 3569
5 1192 2043 2725
6 858 1471 1962


NP435...
Road RPMs at given speed in miles per hour

35/mph/60mph/80mph
Gear
1 7157 1227016360
2 3573 6126 8168
3 1915 3283 4377
4 1070 1834 2445

 

[Sir AxleRod]

the more I look at the gearing spread of the NP435, I loop back to it time and time again. it works really well, like DAYUMM! well with a 3200 rpm shift point, dropping back to 1800 for the next gear.

Would seem to me, that as an NA rig, the slightly higher rpm would aid me in going down the road, whereas, the aerodynamic fight that is my rig, would cause almost a "lug" situation in 6th, if I stay NA.

Road speed at given RPM in miles per hour

rpm: 750/1700/3200
1st.......4......8......16
2nd .....7.....16.....31
3rd......14....29.....58
4th.......25....52....105

 

[Sir AxleRod]

good lord, that sucked to block out legibly.