Gearbox Types

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Our bell housings fit any VW bus gearbox from the 002, 091 and 094 ranges, as used on all rear engined VW buses from 1968 - 1990 (1992 Syncro). However, there are a huge range of gearbox variants with different combinations of gear ratios and other features. The Subaru EJ series engines all rev to at least 6000 rpm, which is considerably higher than any of the engines VW ever fitted. Some of the gearbox variants are better suited to use with a modern, high revving engine than others, but the choice also depends on your application and tyre size.

The table below lists most of the gearbox types, alaong with all their ratios. Also shown in the right hand columns are the revs the engine will be doing in top gear at a range of different speeds. The calculations all assume standard 185/80 R14 tyres, or others with an equivalent diameter are being used. This makes it easier to see the affect the varying ratios have on rpm.

VW T25 / T3 / Vanagon Gearbox Code / Ratio / RPM Table:




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Gear- box Code:	No of Gears:	Gearbox Usage:					Gear Ratios:								RPM @ mph in top gear with 185/80 R14 tyres (651mm dia):
		Syn- cro?	Disp.:(litres)	Fuel:	Power:(BHP)	Date:	G	1	2	3	4	5	R	Final Drive:	RPM @ mph in top gear with 185/80 R14 tyres (651mm dia):
		Syn- cro?	Disp.:(litres)	Fuel:	Power:(BHP)	Date:	G	1	2	3	4	5	R	Final Drive:	50	60	70	80
2D	4	N				-31.7.82	-	3.78	2.06	123		-
3H	5	N	1.6	D		-1.85	-	4.11	2.33	1.48	1.02	0.82		4.83	2599	3119	3639	4159
3P	5	N	1.9	P	76 / 90	12.83 -	-	4.11	2.33	1.48	1.02	0.82		4.86	2615	3138	3661	4184
4D	4	N		P	60	-7.84	-	3.78	2.06	1.26	0.85	-		4.57	2549	3059	3569	4079
4W	4	N				.	-	3.78	2.06	1.23		-
5D	4	N		P	76 / 82	-7.84	-	3.78	2.06	1.26	0.85	-		4.86	2711	3253	3795	4338
6D	4	N	1.6	D		10.82 -	-	3.78	2.06	1.26	0.85	-		5.86	3269	3923	4576	5230
6P	4+G	Y	1.9, 2.1	P		1.2.85 -	6.03	3.78	2.06	1.23	0.85	-	6.03	5.43	3029	3635	4240	4846
6PA	4+G	Y	1.9, 2.2	P		1.8.87 -	6.03	3.78	2.06	1.23	0.85	-	6.03	5.43	3029	3635	4240	4846
6ZA	4+G	Y	1.9	P		1.2.85 - 31.8.89	6.03	3.78	2.06	1.23	0.85	-	6.03	5.43	3029	3635	4240	4846
7D	5	N		P	60	-11.83	-	4.11	2.33	1.48	1.02	0.78		4.86	2488	2985	3483	3980
8D	5	N		P	79	-11.83	-	4.11	2.33	1.48	1.02	0.78		4.86	2488	2985	3483	3980
8E	5	N		P	76 / 90	12.83 -	-	4.11	2.33	1.48	1.02	0.82		4.86	2615	3138	3661	4184
8F	5	N		P	60	12.83 -	-	4.11	2.33	1.48	1.02	0.82		4.86	2615	3138	3661	4184
8H	5	N		P	60	12.83 -	-	4.11	2.33	1.48	1.02	0.82		4.86	2615	3138	3661	4184
8K	5	N	1.6	D		12.83 -	-	4.11	2.33	1.48	1.02	0.82		5.43	2922	3506	4091	4675
8L	5	N	1.6	D		12.83 -	-	4.11	2.33	1.48	1.02	0.82		5.43	2922	3506	4091	4675
8P	5	N				.	-	4.11	2.33	1.48	1.02
9D	5	N	1.6	D		-11.83	-	4.11	2.33	1.48	1.02	0.78		5.43	2779	3335	3891	4447
AAK	4+G	Y	1.9, 2.1	P		1.2.85 -	6.03	3.78	2.06	1.23	0.85	---	6.03	4.86	2711	3253	3795	4338
AAN	4+G	Y	1.9, 2.2	P		1.9.89 -	6.03	3.78	2.06	1.23	0.85	---	6.03	4.86	2711	3253	3795	4338
AAP	5	N		P	95 / 112	.	---	4.11	2.33	1.48	1.02	0.82		4.57	2459	2951	3443	3935
AAR	5	N		P	112	.	---	4.11	2.33	1.48	1.02	0.82		4.57	2459	2951	3443	3935
AAS	5	N	1.6	TD		.	---	4.11	2.33	1.48	1.02	0.82		4.83	2599	3119	3639	4159
ABB	4	N		P	60	8.84 -	---	3.78	2.06	1.23	0.85	---		4.57	2549	3059	3569	4079
ABD	4	N		P	78	8.84 -	---	3.78	2.06	1.23	0.85	---		4.83	2694	3233	3772	4311
ABE	4	N		P		8.84 -	---	3.78	2.06	1.23	0.85	---		4.83	2694	3233	3772	4311
ABF	4	N		P	61 / 78	8.84 -	---	3.78	2.06	1.23		---		4.83
ABH	4	N	1.6	TD		1.85 -	---	3.78	2.06	1.23	0.78	---		5.43	2779	3335	3891	4447
ABK	5	N		P	60	- 16.7.89	---	4.11	2.33	1.48	1.02	0.82		4.83	2599	3119	3639	4159
ABL	5	N		P	60	8.84 - 16.7.89	---	4.11	2.33	1.48	1.02	0.82		4.83	2599	3119	3639	4159
ABM	5	N		P	73 / 78 / 90	8.84 -	---	4.11	2.33	1.48	1.02	0.82		4.83	2599	3119	3639	4159
ABN	5	N		P	73 / 78 / 90	8.84 -	---	4.11	2.33	1.48	1.02	0.82		4.83	2599	3119	3639	4159
ABP	5	N	1.6, 1.7	D		8.84 -	---	4.11	2.33	1.48	1.02	0.82		5.5	2960	3552	4144	4736
ABR	5	N	1.6, 1.7	D		8.84 -	---	4.11	2.33	1.48	1.02	0.82		5.5	2960	3552	4144	4736
ABS	4	N	1.6	TD		.	---	3.78	2.06	1.23	0.78	---		5.43	2779	3335	3891	4447
ABW	4	N		D		.	---	3.78	2.06	1.23		---
ACP	4	N	1.6	D		3.84 -	---	3.78	2.06	1,26	0.85	---		5.83	3252	3902	4553	5203
ACR	4	N	1.6	D		3.84 -	---	3.78	2.06	1.26	0.85	---		5.83	3252	3902	4553	5203
ACW	4	N		P(SA)	95 / 112	2.85 -	---	3.78	2.06	1.26	0.85	---		4.83	2694	3233	3772	4311
AFJ	5	N	2.5, 2.6	P(SA)		.	---	4.11	2.33	1.48	1.02	0.82		4.83	2599	3119	3639	4159
AGT	5	N		P	87 / 95	.	---	4.11	2.33	1.48	1.02	0.82		4.83	2599	3119	3639	4159
AGZ	4+G	Y	1.6	TD		2.4.86 - 31.8.89	6.03	3.78	2.06	1.23		---	6.03	5.43
AHA	4+G	Y	1.6	TD		1.9.89 -	6.03	3.78	2.06	1.23	0.78	---	6.03	5.83	2984	3581	4178	4775
AHF	4+G	Y	1.6	TD		5.3.86 - 31.8.89	6.03	3.78	2.06	1.23	0.78	---	6.03	5.43	2779	3335	3891	4447
AKE	4+G	Y	2.1	P		1.1.87 - 31.8.89	6.03	3.78	2.06	1.23	0.85	---	6.03	4.57	2549	3059	3569	4079
AKG	4+G	Y	2.1	P		10.11.86 - 31.8.89	6.03	3.78	2.06	1.23	0.85	---	6.03	4.57	2549	3059	3569	4079
AKK	4+G	Y	1.6	TD		1.4.89 - 31.8.89	6.03	3.78	2.06	1.23	0.78	---	6.03	5.83	2984	3581	4178	4775
ALD	4	N	1.7	D		23.6.86 -	6.03	3.78	2.06	1.23	0.78	---		5.5	2815	3378	3941	4505
ALE	4+G	Y	2.1	P		1.9.89 -	6.03	3.78	2.06	1.23	0.85	---	6.03	5.83	3252	3902	4553	5203
ALK	4+G	Y	2.1	P		1.8.87 - 31.8.89	6.03	3.78	2.06	1.23	0.85	---	6.03	5.43	3029	3635	4240	4846
AND	4+G	Y (16")	1.6	TD		1.1.88 - 31.8.89	6.03	3.78	2.06	1.23	0.85	---	6.03	6.17	3442	4130	4818	5507
AOJ	4	N	1.8?	P(SA)		.	-	3.78	2.06	1.23	0.85	---		4.83	2694	3233	3772	4311
APF	4	N	1.7	D		30.6.87 - 31.7.89	-	3.78	2.06	1.23	0.85	---		5.5	3068	3682	4295	4909
ASL	5	N		P	88 / 93 / 95	.	-	4.11	2.13	1.48	1.02	0.85		4.57	2549	3059	3569	4079
ASM	5	N		P	60 / 78	17.7.89 -	-	4.11	2.13	1.48	1.02	0.85
ASN	5	N	1.7	D		17.7.89 -	-	4.11	2.13	1.48	1.02	0.82		5.5	2960	3552	4144	4736
ASP	5	N	1.7	D		17.7.89 -	-	4.11	2.13	1.48	1.02	0.82		5.5	2960	3552	4144	4736
ASR	5	N	1.6	TD		17.7.89 -	-	4.11	2.13	1.48	1.02	0.82		4.83	2599	3119	3639	4159
ASS	5	N	1.6	TD		17.7.89 -	-	4.11	2.13	1.48	1.02	0.82		4.83	2599	3119	3639	4159
AST	5	N		P	95	.	-	4.11	2.13	1.48	1.02	0.85		4.57	2549	3059	3569	4079
AVF	4+G	Y	1.6	TD		1.9.89 -	6.03	3.78	1.88	1.23		-	6.03	5.83
AVH	4+G	Y		P		1.9.89 -	6.03	3.78	1.88	1.23	0.85	-	6.03	5.43	3029	3635	4240	4846
AVJ	4+G	Y	1.6	P		1.9.89 -	6.03	3.78	1.88	1.23		-	6.03	5.43
AVK	4+G	Y	1.6	P		1.9.89 -	6.03	3.78	1.88	1.23	0.78	-	6.03	5.43	2779	3335	3891	4447
AVL	4+G	Y	1.9, 2.1	P		1.9.89 -	6.03	3.78	1.88	1.23		-	6.03	5.43
AVM	4+G	Y	1.9, 2.1	P		1.9.89 -	6.03	3.78	1.88	1.23		-	6.03	5.83
AVN	4+G	Y	1.9, 2.1	P		1.9.89 -	6.03	3.78	1.88	1.23	0.85	-	6.03	4.86	2711	3253	3795	4338
AVR	4+G	Y	2.1	P		1.9.89 -	6.03	3.78	1.88	1.23	0.85	-	6.03	5.83	3252	3902	4553	5203
AVS	4+G	Y	1.6	TD		1.9.89 -	6.03	3.78	1.88	1.23	0.78	-	6.03	5.83	2984	3581	4178	4775
AVU	4+G	Y (16")	1.6	TD		1.9.89 -	6.03	3.78	1.88	1.23	0.85	-	6.03	6.17	3442	4130	4818	5507
AVV	4+G	Y	1.9, 2.1	P		1.9.89 -	6.03	3.78	1.88	1.23	0.85	-	6.03	4.86	2711	3253	3795	4338
DH	4	N				-31.7.82	-	3.78	2.06	1.23		-
DK	4	N				-31.7.82	-	3.78	2.06	1.23		-
DM	4	N	1.6	D		-31.7.82	-	3.78	2.06	1.26	0.85	-		5.43	3029	3635	4240	4846
DS	4	N	1.6	D		-31.7.82	-	3.78	2.06	1.26	0.85	-		5.43	3029	3635	4240	4846
DT	4	N		P	60	-7.84	-	3.78	2.06	1.26	0.85	-		4.57	2549	3059	3569	4079
DU	4	N		P	78 / 82	-7.84	-	3.78	2.06	1.26	0.85	-		4.86	2711	3253	3795	4338
DV	5	N		P	60	-11.83	-	4,11	2.33	1.48	1.02	0.78		4.86	2488	2985	3483	3980
DW	5	N		P	78	-11.83	-	4,11	2.33	1.48	1.02	0.78		4.86	2488	2985	3483	3980
DX	5	N	1.6	D		-11.83	-	4,11	2,33	1.48	1.02	0.78		5.43	2779	3335	3891	4447
DY	4	N	1.6	D		10.82 -	-	3.78	2.06	1.26	0.85	-		5.83	3252	3902	4553	5203
DZ	4	N				-31.7.82	-	3.78	2.06	1.23		-

	Key:
		Low Revving		<----------------------------------------->			High Revving

Some Subaru ratios for comparison:

Subaru	N/A	Legacy 2.0		205/55 R15		1995	-	3.55	2.11	1.45	1.09	0.83		3.7	2253	2704	3154	3605
	N/A	Impreza		205/55 R15		-2003	-	3.78	1.95	1.5	0.99	0.78		3.55	2031	2438	2844	3250
	N/A +T	Impreza		205/55 R15		2003 -	-	3.17	1.88	1.3	0.97	0.74		3.55	1927	2313	2698	3084

If you are using a different tyre size, and want to know what rpm your engine will be doing at one of the above speeds with a particular gearbox, calculate it as follows:

   rpm =         651
        ------------------------ x rpm at required speed from above table
        your tyre diameter (mm)

For example, if you had an AAP gearbox, and wanted to know the rpm at 80 mph with 205/55 R16 tyres:

205/55R16’s have a diameter of 632mm:

rpm = (651 / 632) x 3935 = 4053

Alternatively, there are lots of useful tools on the internet for calculating rpm from gear ratios and tyre sizes. Google gear ratio rpm calculator or similar to find them.

If anyone can fill in any of the gaps in the above table, or has similar code / ratio info for the 002 and 091 boxes used in baw windows, please mail it to me, and I’ll fill in / expand the above table. Thanks


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