Re: [AMC-List] Trans for 72 232 six

[Tom Jennings <tomj@xxxxxxx>]

On Tue, 21 Nov 2006, Tom Jennings wrote:

> > For some reason the AW4 always slips my mind!

Holy crap, my spreadsheet says very nice things about those
gear ratios in my 258 Hornet, 2.73 axle. The 3rd-gear column
is what I see now in top gear on the A904 I have.

First is lower (2.8 vs 2.54) too, second, third the same. My
care behaves fine in 2, 3, but 1st is a little steep; 2.8 would
be a big improvement!



70 Hornet		engine	carb	1st	2nd	3rd	4th			
			RPM	CFM	MPH	MPH	MPH	MPH	TIRE DATA	
			1000	60	09.8	18.0	27.6	36.8	195/70-14 == width/aspect-wheel	
Axle ratio n:1	2.73	1100	66	10.8	19.8	30.3	40.4	Width:	205
Tire diameter	25.3	1200	72	11.8	21.6	33.1	44.1	Aspect:	70
			1300	78	12.8	23.4	35.8	47.8	Wheel:	14
			1400	84	13.8	25.2	38.6	51.5	Diameter:	25.3
			1500	90	14.8	27.0	41.4	55.1			
			1600	96	15.8	28.8	44.1	58.8			
RPM interval	100	1700	102	16.7	30.6	46.9	62.5	Factory stock tire size is:	
			1800	108	17.7	32.4	49.6	66.2	Width:	205
AW4 auto		1900	113	18.7	34.2	52.4	69.8	Aspect:	70
First	2.8		2000	119	19.7	36.0	55.1	73.5	Wheel:	14
Second	1.53		2100	125	20.7	37.8	57.9	77.2	Diameter:	25.3
Third	1		2200	131	21.7	39.6	60.7	80.9	
Fourth	0.75		2300	137	22.6	41.4	63.4	84.5	Weber 32/36 DGEV	
			2400	143	23.6	43.2	66.2	88.2	primary	130 cfm
Engine CID	258	2500	149	24.6	45.0	68.9	91.9	secondary 170 cfm
VE	0.8		2600	155	25.6	46.9	71.7	95.6			
			2700	161	26.6	48.7	74.4	99.3			
			2800	167	27.6	50.5	77.2	102.9			
			2900	173	28.6	52.3	80.0	106.6			
			3000	179	29.5	54.1	82.7	110.3			

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