Final Axle Ratio	3.54	2000 Dodge 2500 5.9L Cummins 2WD Axle							RPM=65MPH		Tire Diameter (Inches)
	Tire Diameter	31.0	"									25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40
	55 MPH =	1,541	RPM							AxleRatio	3.08	1,965	1,889	1,819	1,754	1,694	1,637	1,585	1,535	1,489	1,445	1,404	1,365	1,328	1,293	1,260	1,228
	65 MPH =	1,821	RPM								3.54	2,258	2,172	2,091	2,016	1,947	1,882	1,821	1,764	1,711	1,661	1,613	1,568	1,526	1,486	1,448	1,412
			5th	4th	3rd	2nd	1st				3.73	2,380	2,288	2,203	2,125	2,051	1,983	1,919	1,859	1,803	1,750	1,700	1,653	1,608	1,566	1,525	1,487
	NV4500 Trans		0.73	1.00	1.67	3.04	5.61				4.10	2,616	2,515	2,422	2,335	2,255	2,180	2,109	2,044	1,982	1,923	1,868	1,816	1,767	1,721	1,677	1,635
	3.9L Cummins	RPM	MPH	MPH	MPH	MPH	MPH				4.89	3,120	3,000	2,889	2,785	2,689	2,600	2,516	2,437	2,363	2,294	2,228	2,166	2,108	2,052	2,000	1,950
	ISB170	1,800	64.2	46.9	28.1	15.4	8.4				5.88	3,751	3,607	3,473	3,349	3,234	3,126	3,025	2,931	2,842	2,758	2,680	2,605	2,535	2,468	2,405	2,345
		2,000	71.4	52.1	31.2	17.1	9.3
		2,200	78.5	57.3	34.3	18.9	10.2
		2,400	85.7	62.5	37.4	20.6	11.1
		2,600	92.8	67.7	40.6	22.3	12.1
		2,800	99.9	72.9	43.7	24.0	13.0
		3,000	107.1	78.2	46.8	25.7	13.9
	FtLbs	350	5th	4th	3rd	2nd	1st
	RPM	2,000	256	350	585	1,064	1,964	FtLbs
	FtLbs	310	5th	4th	3rd	2nd	1st
	RPM	2,500	226	310	518	942	1,739	FtLbs
	FtLbs	251	5th	4th	3rd	2nd	1st
	RPM	3,000	183	251	419	763	1,408	FtLbs
	Final Axle Ratio	3.08	GM/ Dana 44 Axles
	Tire Diameter	33.0	"
	55 MPH =	1,260	RPM
	65 MPH =	1,489	RPM
			5th	4th	3rd	2nd	1st
	3.9L Cummins	RPM	MPH	MPH	MPH	MPH	MPH
	ISB170	1,800	78.6	57.4	34.4	18.9	10.2
		2,000	87.3	63.7	38.2	21.0	11.4
		2,200	96.1	70.1	42.0	23.1	12.5
		2,400	104.8	76.5	45.8	25.2	13.6
		2,600	113.5	82.9	49.6	27.3	14.8
		2,800	122.3	89.2	53.4	29.4	15.9
		3,000	131.0	95.6	57.3	31.5	17.0
	Final Axle Ratio	3.54	2000 Dodge 2500 5.9L Cummins 2WD Axle
	Tire Diameter	33.0	"
	55 MPH =	1,448	RPM
	65 MPH =	1,711	RPM
			5th	4th	3rd	2nd	1st
	3.9L Cummins	RPM	MPH	MPH	MPH	MPH	MPH
	ISB170	1,800	68.4	49.9	29.9	16.4	8.9
		2,000	76.0	55.5	33.2	18.2	9.9
		2,200	83.6	61.0	36.5	20.1	10.9
		2,400	91.2	66.6	39.9	21.9	11.9
		2,600	98.8	72.1	43.2	23.7	12.9
		2,800	106.4	77.7	46.5	25.5	13.8
		3,000	114.0	83.2	49.8	27.4	14.8
	Final Axle Ratio	3.73	GM & Dana 44 Axles
	Tire Diameter	33.0	"
	55 MPH =	1,525	RPM
	65 MPH =	1,803	RPM
			5th	4th	3rd	2nd	1st
	3.9L Cummins	RPM	MPH	MPH	MPH	MPH	MPH
	ISB170	1,800	64.9	47.4	28.4	15.6	8.4
		2,000	72.1	52.6	31.5	17.3	9.4
		2,200	79.3	57.9	34.7	19.0	10.3
		2,400	86.5	63.2	37.8	20.8	11.3
		2,600	93.7	68.4	41.0	22.5	12.2
		2,800	101.0	73.7	44.1	24.2	13.1
		3,000	108.2	79.0	47.3	26.0	14.1
	Final Axle Ratio	4.10	Late Dodge 2500 Axles
	Tire Diameter	35.8	"
	55 MPH =	1,544	RPM
	65 MPH =	1,825	RPM
			5th	4th	3rd	2nd	1st
	3.9L Cummins	RPM	MPH	MPH	MPH	MPH	MPH
	ISB170	1,800	64.1	46.8	28.0	15.4	8.3
		2,000	71.2	52.0	31.1	17.1	9.3
		2,200	78.4	57.2	34.3	18.8	10.2
		2,400	85.5	62.4	37.4	20.5	11.1
		2,600	92.6	67.6	40.5	22.2	12.0
		2,800	99.7	72.8	43.6	23.9	13.0
		3,000	106.8	78.0	46.7	25.7	13.9
	Final Axle Ratio	4.89	PW Hi Speed Gears
	Tire Diameter	42.0	"
	55 MPH =	1,571	RPM
	65 MPH =	1,857	RPM
			5th	4th	3rd	2nd	1st
	3.9L Cummins	RPM	MPH	MPH	MPH	MPH	MPH
	ISB170	1,500	52.5	38.3	23.0	12.6	6.8
		1,750	61.3	44.7	26.8	14.7	8.0
		2,000	70.0	51.1	30.6	16.8	9.1
		2,250	78.8	57.5	34.4	18.9	10.2
		2,500	87.5	63.9	38.3	21.0	11.4
		2,750	96.3	70.3	42.1	23.1	12.5
		3,000	105.0	76.7	45.9	25.2	13.7
	Final Axle Ratio	5.88	PW Low Speed Gears
	Tire Diameter	51.0	"
	55 MPH =	1,556	RPM
	65 MPH =	1,839	RPM
			5th	4th	3rd	2nd	1st
	3.9L Cummins	RPM	MPH	MPH	MPH	MPH	MPH
	ISB170	1,500	53.0	38.7	23.2	12.7	6.9
		1,750	61.9	45.2	27.0	14.9	8.0
		2,000	70.7	51.6	30.9	17.0	9.2
		2,250	79.5	58.1	34.8	19.1	10.3
		2,500	88.4	64.5	38.6	21.2	11.5
		2,750	97.2	71.0	42.5	23.3	12.6
		3,000	106.0	77.4	46.4	25.5	13.8