NP 916 Racing Gearboxes Photo Gallery by 914-6 GT at pbase.com

NP 916 Racing Gearboxes

Under construction as I continue to add more 916 gearbox photos and information to this photo gallery. For any gearbox parts and needs, contact Matt Monson at Guard Transmission, here is his email address GTgears@Yahoo.com - Tel: (303) 530-1094, let Matt know I sent you. ; )

915 Transaxle Specifications http://www.gboxweb.com/915specs.html

Type 915 Gearbox http://www.911t.org/wklyreprint/type_915_transmission.htm

<< Porsche Original 916 Gearbox - Located in Germany... >>	<< More 916 Parts Photos... >>	<< Conversion Kit >>	<< 915 / 916 LSD Output Flanges >>	<< 915 / 916 LSD Output Flange vs 901 LSD Output Flange Comparison >>	<< 915 / 916 LSD / Limited Slip Differential 80%, Coarse Splines (Guard Unit) >>
<< 915 Tail-Housing Aluminum / with Mechanical Oil-Pump >>	<< 916 Tail Housing Magnesium >>	<< 916 Tail Housing Magnesium Repair - Weld Samples on Gearboxes... >>	<< RSR Mechanical Oil Pump Gear Cover with Provision for External Oil Cooler >>	<< Porsche 917-30 Gearbox Oil-Cooler - NOS... >>

comment |

914-6 GT		23-May-2011 15:58
GEARBOXES: '75 and later 915: Ring & Pinion: 8:31 [3.875:1] 1st-11:35 3.182 2nd-18:33 1.833 3rd-23:29 1.261 4th-26:26 1.000 5th-28:23 0.821 '74 915: Ring & Pinion: 7:31 [4.429:1] 1st-11:35 3.182 2nd-18:33 1.833 3rd-23:29 1.261 4th-27:25 0.926 5th-29:21 0.724 '72-'73 915: Ring & Pinion: 7:31 [4.429:1] 1st-11:35 3.182 2nd-18:33 1.833 3rd-23:29 1.261 4th-26:25 0.962 5th-29:22 0.759 '67-'69 901: Ring & Pinion: 7:31 [4.429:1] 1st-11:34 3.091 2nd-18:34 1.889 3rd-22:29 1.318 4th-25:26 1.040 5th-29:23 0.793 '69-'71 901/911: Ring & Pinion: 7:31 [4.429:1] Optional-Special Order-No 'name' 1st-14:37 2.643 2nd-18:32 1.778 3rd-22:29 1.318 4th-26:26 1.000 5th-28:23 0.821 '70-'71 911: Ring & Pinion: 7:31 [4.429:1] 1st-11:34 3.091 2nd-18:32 1.778 3rd-23:28 1.217 4th-27:25 0.926 5th-29:22 0.759 '69-'71 901/911: Ring & Pinion: 7:31 [4.429:1] Optional-Special Order -- Hill Climbs 1st-12:34 2.833 2nd-17:34 2.000 3rd-20:31 1.551 4th-22:29 1.318 5th-23:28 1.217 '69-'71 901/911: Ring & Pinion: 7:31 [4.429:1] Optional-Special Order -- Airport Circuits 1st-12:34 2.833 2nd-18:34 1.889 3rd-21:31 1.476 4th-23:28 1.217 5th-25:26 1.040 '69-'71 901/911: Ring & Pinion: 7:31 [4.429:1] Optional-Special Order -- Fast Circuits 1st-15:36 2.400 2nd-20:32 1.600 3rd-23:28 1.217 4th-26:26 1.000 5th-28:23 0.821 '69-'71 901/911: Ring & Pinion: 7:31 [4.429:1] Optional-Special Order -- Nuerburgring ratios 1st-14:37 2.643 2nd-20:32 1.600 3rd-22:29 1.318 4th-25:27 1.080 5th-27:25 0.926

914-6 GT		23-May-2011 15:26
915 TRANSAXLE SPECIFICATIONS 915 Race Ratios From the Porsche factory publication for racing cars: “Information regarding Porsche Vehicles Used for Sports Purposes” 1st gear: 3.08 (12/34) 1st gear: 2.64 (14/37) 1st gear: 2.40 (15/36) 1st gear: 2.21 (14/31) 2nd gear: 2.19 (16/35) 2nd gear: 2.06 (17/35) 2nd gear: 2.00 (15/30) 2nd gear: 1.93 (15/29) 2nd gear: 1.89 (18/34) 2nd gear: 1.68 (19/32) 2nd gear: 1.60 (20/32) 3rd gear: 1.60 (20/32) 3rd gear: 1.48 (21/31) 3rd gear: 1.43 (21/30) 3rd gear: 1.38 (21/29) 3rd gear: 1.32 (22/29) 4th gear: 1.23 (23/28) 4th gear: 1.17 (24/28) 4th gear: 1.08 (25/27) 4th gear: 1.04 (25/26) 4th gear: 1.00 (26/26) 4th gear: 0.93 (27/25) 4th gear: 0.89 (27/24) 4th gear: 0.79 (28/22) 4th gear: 0.76 (29/22) 5th gear: 1.04 (25/26) 5th gear: 1.00 (26/26) 5th gear: 0.93 (27/25) 5th gear: 0.89 (27/24) 5th gear: 0.86 (28/24) 5th gear: 0.82 (28/23) 5th gear: 0.79 (28/22) Ring and pinion: 4.43 (7:31) or 5.29 (7:37) 915/02 911 1972-74 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 0.96 (26/25) 5th gear: 0.76 (29/22) Ring and pinion: 4.43 (7:31) 915/06 911 1975 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 0.93 (27/25) 5th gear: 0.72 (29/21) Ring and pinion: 4.43 (7:31) 915/08 911 Carrera RS 1973 5-speed synchronized transaxle w/tail-cover oil pump Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 0.93 (27/25) 5th gear: 0.72 (29/21) Ring and pinion: 4.43 (7:31) 915/35 911 S/T 2.5L 1972 5-speed synchronized transaxle w/tail-cover oil pump Manufactured by Porsche (ZF) Plate-type limited-slip differential Rod shift Single-plate clutch Gear ratios: see racing ratios 915/40 911S, Carrera (USA) 1975 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.82 (28/23) Ring and pinion: 3.88 (8:31) 915/43 911 ROW 1975 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 0.96 (26/25) 5th gear: 0.72 (29/21) Ring and pinion: 4.43 (7:31) 915/44 911, 911S (USA), Carrera 1976 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.82 (28/23) Ring and pinion: 3.88 (8:31) 915/50 935 1.4L Turbo "Baby" 1977 5-speed synchronized transaxle Manufactured by Porsche (ZF) Rod shift Single-plate clutch Gear ratios: see racing ratios 915/60 911, 911S (USA), Carrera 1977 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.82 (28/23) Ring and pinion: 3.88 (8:31) 915/61 911SC 1978-79 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.82 (28/23) Ring and pinion: 3.88 (8:31) 915/62 911SC (ROW) 1980-83 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.79 (28/22) Ring and pinion: 3.88 (8:31) 915/63 911SC (USA/Japan) 1980-83 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.82 (28/23) Ring and pinion: 3.88 (8:31) 915/67 911 Carrera 3.2 (ROW) 1984-86 5-speed synchronized transaxle w/cooler Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 0.97 (29/28) 5th gear: 0.76 (38/29) Ring and pinion: 3.88 (8:31) 915/68 911 Carrera 3.2 (USA/Japan) 1984-86 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.79 (38/30) Ring and pinion: 3.88 (8:31) 915/69 911 Carrera 3.2 Turbo-look (ROW) 1984-86 5-speed synchronized transaxle w/cooler Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 0.97 (29/28) 5th gear: 0.76 (38/29) Ring and pinion: 3.88 (8:31) 915/70 911 Carrera 3.2 Turbo-look (USA/Japan) 1984-86 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.79 (38/30) Ring and pinion: 3.88 (8:31) 915/72 911 Carrera 3.2 Turbo-look (ROW) 1984-86 5-speed synchronized transaxle w/cooler Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 0.97 (29/28) 5th gear: 0.76 (38/29) Ring and pinion: 3.88 (8:31) 915/73 911 Carrera 3.2 Turbo-look (USA/Japan) 1984-86 5-speed synchronized transaxle Manufactured by Porsche (ZF) Plate-type limited-slip differential available Rod shift Single-plate clutch Gear ratios: 1st gear: 3.18 (11/35) 2nd gear: 1.83 (18/33) 3rd gear: 1.26 (23/29) 4th gear: 1.00 (26/26) 5th gear: 0.79 (38/30) Ring and pinion: 3.88 (8:31)

click on thumbnails for full image

Type your message and click Add Comment

It is best to login or register first but you may post as a guest. Enter an optional name and contact email address. Name
Name Email
help	private comment