![[Datsun 1200 encyclopedia]](/wiki/upload/wiki.png)
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| = Performance = | = Performance = | ||
| + | Also See: [[wikipedia:Mazda Wankel engine]] | ||
| + | |||
| Typical engine power in stock form: | Typical engine power in stock form: | ||
| * 12A: 100-130 HP, 100-115 lb. ft. torque | * 12A: 100-130 HP, 100-115 lb. ft. torque | ||
| * 13B EFI: 135 hp, 133 lb. ft. torque | * 13B EFI: 135 hp, 133 lb. ft. torque | ||
| * 13B-Turbo (1987-1991 "Turbo II"): 185-200 HP | * 13B-Turbo (1987-1991 "Turbo II"): 185-200 HP | ||
| + | * 13B-REW (twin turbo) 255-280 hp | ||
| + | * 13B-MSP (RX-8) 237 hp USA, 191-250 hp world | ||
| Quarter Mile acceleration performance ranges from quick to insanely quick. With a totally stock rotary engine you won't be wanting for power. | Quarter Mile acceleration performance ranges from quick to insanely quick. With a totally stock rotary engine you won't be wanting for power. | ||
| Line 14: | Line 18: | ||
| * [http://datsun1200.com/modules/mediawiki/index.php?title=1/4_mile_time_log#Rotary JVML]'s 8.1 second 13B twin turbo | * [http://datsun1200.com/modules/mediawiki/index.php?title=1/4_mile_time_log#Rotary JVML]'s 8.1 second 13B twin turbo | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=6353 Rotor Power] | + | Rotor Power |
| - | <br><img size=400>http://datsun1200.com/uploads/photos/6353.jpg</img> | + | <br>{{Album|6353}} |
| = Discussions = | = Discussions = | ||
| Line 25: | Line 29: | ||
| The Mazda rotary comes in two common sizes: 12A and 13B. In Australia, choose a 10A for street legal swaps. Everyone else, choose the 13B. There are less common versions, the old 10A and the ultra-rare and expensive 20B triple rotor. | The Mazda rotary comes in two common sizes: 12A and 13B. In Australia, choose a 10A for street legal swaps. Everyone else, choose the 13B. There are less common versions, the old 10A and the ultra-rare and expensive 20B triple rotor. | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=8040 http://datsun1200.com/uploads/thumbs/8040.jpg] 12A | + | {{Thumb|8040|jpg}} 12A |
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=158 http://datsun1200.com/uploads/thumbs/158.jpg] Mazda 13B carbureted | + | {{Thumb|158|jpg}} Mazda 13B carbureted |
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=15021 http://datsun1200.com/uploads/thumbs/15021.jpg] 13B Fuel Injected | + | {{Thumb|15021|jpg}} 13B Fuel Injected |
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=93 http://datsun1200.com/uploads/thumbs/93.jpg] Mazda 13B Turbo rotary engine | + | {{Thumb|93|jpg}} Mazda 13B Turbo rotary engine |
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=2050 http://datsun1200.com/uploads/thumbs/2050.jpg] Factory EFI 13B Turbo | + | {{Thumb|2050|jpg}} Factory EFI 13B Turbo |
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=3008 http://datsun1200.com/uploads/thumbs/3008.jpg] 13B Turbo with factory intercooler | + | {{Thumb|3008|jpg}} 13B Turbo with factory intercooler |
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=14572 http://datsun1200.com/uploads/thumbs/14572.jpg] 20B triple rotor | + | {{Thumb|14572|jpg}} 20B triple rotor |
| = Engine Mounts = | = Engine Mounts = | ||
| Line 43: | Line 47: | ||
| Most use the front-mount case. If your rotary doesn't have it, you can retro-fit it using a 12A timing cover (which fits on 13B). | Most use the front-mount case. If your rotary doesn't have it, you can retro-fit it using a 12A timing cover (which fits on 13B). | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=1787 http://datsun1200.com/uploads/thumbs/1787.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2616 http://datsun1200.com/uploads/thumbs/2616.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2700 http://datsun1200.com/uploads/thumbs/2700.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2701 http://datsun1200.com/uploads/thumbs/2701.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2702 http://datsun1200.com/uploads/thumbs/2702.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2703 http://datsun1200.com/uploads/thumbs/2703.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15144 http://datsun1200.com/uploads/thumbs/15144.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=20618 http://datsun1200.com/uploads/thumbs/20618.jpg] | + | {{Thumb|1787|jpg}} {{Thumb|2616|jpg}} {{Thumb|2700|jpg}} {{Thumb|2701|jpg}} {{Thumb|2702|jpg}} {{Thumb|2703|jpg}} {{Thumb|15144|jpg}} {{Thumb|20618|jpg}} |
| - | [http://i113.photobucket.com/albums/n215/uncopreo/IMG_20130115_192943.jpg http://i113.photobucket.com/albums/n215/uncopreo/th_IMG_20130115_192943.jpg] [http://i113.photobucket.com/albums/n215/uncopreo/IMG_20130115_192848.jpg http://i113.photobucket.com/albums/n215/uncopreo/th_IMG_20130115_192848.jpg] | + | {{PhotoPostH|IMG_20130115_192943.jpg|427624|wiki}} {{PhotoPostH|IMG_20130115_192848.jpg|427624|wiki}} |
| == Side Mount == | == Side Mount == | ||
| Cut out about 10mm out of the standard 1200 crossmember and brace it. Weld new custom-made brackets. | Cut out about 10mm out of the standard 1200 crossmember and brace it. Weld new custom-made brackets. | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=5448 http://datsun1200.com/uploads/thumbs/5448.jpg] [http://i113.photobucket.com/albums/n215/uncopreo/Cutcut_zps954618cf.jpg http://i113.photobucket.com/albums/n215/uncopreo/th_Cutcut_zps954618cf.jpg] | + | {{Thumb|5448|jpg}} |
| + | |||
| + | {{PhotoPost|Cutcut_zps954618cf.jpg|427382|wiki}} | ||
| [http://maddat.com.au/1200.php Mad Dat] 13BT Fitting Kit allows the newer-type rotary engine side mount, their crossmeber curves down so the top of the cross member is lower. | [http://maddat.com.au/1200.php Mad Dat] 13BT Fitting Kit allows the newer-type rotary engine side mount, their crossmeber curves down so the top of the cross member is lower. | ||
| - | Datrotor fabricated these for a 13B: | + | Datrotor fabricated these for a 13B: |
| - | <br>[http://i1117.photobucket.com/albums/k595/brentshane/d06cfa0b.jpg http://i1117.photobucket.com/albums/k595/brentshane/th_d06cfa0b.jpg] | + | <br>{{PhotoPost|d06cfa0b.jpg|410124|wiki}} |
| == Motor Plate == | == Motor Plate == | ||
| For racing a motor plate can be used. Not recommended for a street car as it transmit vibration directly to the body. | For racing a motor plate can be used. Not recommended for a street car as it transmit vibration directly to the body. | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=2915 http://datsun1200.com/uploads/thumbs/2915.jpg] | + | {{Thumb|2915|jpg}} |
| = Oil Pan = | = Oil Pan = | ||
| Use the Moroso oil pan for Datsun 1200. | Use the Moroso oil pan for Datsun 1200. | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=24941 http://datsun1200.com/uploads/photos/24941.jpg] | + | {{Album|24941}} |
| = Transmission = | = Transmission = | ||
| Use the transmission that comes with the rotary engine (the Mazda transmission). | Use the transmission that comes with the rotary engine (the Mazda transmission). | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=19869 http://datsun1200.com/uploads/thumbs/19869.jpg] | + | {{Thumb|19869|jpg}} |
| == Driveshaft == | == Driveshaft == | ||
| Line 78: | Line 84: | ||
| A new shifter mount hole may need to cut? Look into doing the shifter extension mod otherwise your shifter will be a little bit to far back for comfort (it will sit in between the front seats right in front of the handbrake). | A new shifter mount hole may need to cut? Look into doing the shifter extension mod otherwise your shifter will be a little bit to far back for comfort (it will sit in between the front seats right in front of the handbrake). | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=15141 http://datsun1200.com/uploads/thumbs/15141.jpg] | + | {{Thumb|15141|jpg}} |
| == Transmission Mount == | == Transmission Mount == | ||
| Mount the gearbox the with a similar bracket to ca18 one. | Mount the gearbox the with a similar bracket to ca18 one. | ||
| - | <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=9423 http://datsun1200.com/uploads/thumbs/9423.jpg] | + | <br>{{Thumb|9423|jpg}} |
| or make a new gearbox crossmember: | or make a new gearbox crossmember: | ||
| - | <br>[http://i113.photobucket.com/albums/n215/uncopreo/IMG_20130115_192832.jpg http://i113.photobucket.com/albums/n215/uncopreo/th_IMG_20130115_192832.jpg] | + | <br>{{PhotoPost|IMG_20130115_192832.jpg|427624|wiki}} |
| == Tunnel == | == Tunnel == | ||
| Line 92: | Line 98: | ||
| In any cause, you'll have to make the tunnel higher through the middle and make space for the clutch fork, or cut a hole for the clutch fork. | In any cause, you'll have to make the tunnel higher through the middle and make space for the clutch fork, or cut a hole for the clutch fork. | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=1107 http://datsun1200.com/uploads/thumbs/11107.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1788 http://datsun1200.com/uploads/thumbs/1788.jpg] | + | {{Thumb|11107|jpg}} {{Thumb|1788|jpg}} |
| Alternatively you can fit an aftermarket hydraulic throwout bearing to replace the clutch fork. | Alternatively you can fit an aftermarket hydraulic throwout bearing to replace the clutch fork. | ||
| Line 112: | Line 118: | ||
| = Photo Index = | = Photo Index = | ||
| <!-- e_rotary NOT m_!_dat !--> | <!-- e_rotary NOT m_!_dat !--> | ||
| - | [http://datsun1200.com/modules/myalbum/photo.php?lid=93 http://datsun1200.com/uploads/thumbs/93.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=158 http://datsun1200.com/uploads/thumbs/158.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=383 http://datsun1200.com/uploads/thumbs/383.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=581 http://datsun1200.com/uploads/thumbs/581.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=912 http://datsun1200.com/uploads/thumbs/912.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=959 http://datsun1200.com/uploads/thumbs/959.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=965 http://datsun1200.com/uploads/thumbs/965.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1078 http://datsun1200.com/uploads/thumbs/1078.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1384 http://datsun1200.com/uploads/thumbs/1384.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1539 http://datsun1200.com/uploads/thumbs/1539.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1540 http://datsun1200.com/uploads/thumbs/1540.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1547 http://datsun1200.com/uploads/thumbs/1547.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1549 http://datsun1200.com/uploads/thumbs/1549.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1756 http://datsun1200.com/uploads/thumbs/1756.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1757 http://datsun1200.com/uploads/thumbs/1757.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1787 http://datsun1200.com/uploads/thumbs/1787.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1788 http://datsun1200.com/uploads/thumbs/1788.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=1820 http://datsun1200.com/uploads/thumbs/1820.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2049 http://datsun1200.com/uploads/thumbs/2049.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2050 http://datsun1200.com/uploads/thumbs/2050.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2065 http://datsun1200.com/uploads/thumbs/2065.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2066 http://datsun1200.com/uploads/thumbs/2066.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2067 http://datsun1200.com/uploads/thumbs/2067.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2237 http://datsun1200.com/uploads/thumbs/2237.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2558 http://datsun1200.com/uploads/thumbs/2558.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2616 http://datsun1200.com/uploads/thumbs/2616.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2681 http://datsun1200.com/uploads/thumbs/2681.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2700 http://datsun1200.com/uploads/thumbs/2700.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2701 http://datsun1200.com/uploads/thumbs/2701.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2702 http://datsun1200.com/uploads/thumbs/2702.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2703 http://datsun1200.com/uploads/thumbs/2703.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2848 http://datsun1200.com/uploads/thumbs/2848.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2914 http://datsun1200.com/uploads/thumbs/2914.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=2915 http://datsun1200.com/uploads/thumbs/2915.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=3008 http://datsun1200.com/uploads/thumbs/3008.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=3078 http://datsun1200.com/uploads/thumbs/3078.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=3427 http://datsun1200.com/uploads/thumbs/3427.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=3483 http://datsun1200.com/uploads/thumbs/3483.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=3548 http://datsun1200.com/uploads/thumbs/3548.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=3549 http://datsun1200.com/uploads/thumbs/3549.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=4484 http://datsun1200.com/uploads/thumbs/4484.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=4486 http://datsun1200.com/uploads/thumbs/4486.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=4655 http://datsun1200.com/uploads/thumbs/4655.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=4694 http://datsun1200.com/uploads/thumbs/4694.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=4949 http://datsun1200.com/uploads/thumbs/4949.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=5006 http://datsun1200.com/uploads/thumbs/5006.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=5448 http://datsun1200.com/uploads/thumbs/5448.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=5979 http://datsun1200.com/uploads/thumbs/5979.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=5980 http://datsun1200.com/uploads/thumbs/5980.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=6353 http://datsun1200.com/uploads/thumbs/6353.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=6757 http://datsun1200.com/uploads/thumbs/6757.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7226 http://datsun1200.com/uploads/thumbs/7226.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7374 http://datsun1200.com/uploads/thumbs/7374.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7690 http://datsun1200.com/uploads/thumbs/7690.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7697 http://datsun1200.com/uploads/thumbs/7697.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7698 http://datsun1200.com/uploads/thumbs/7698.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7699 http://datsun1200.com/uploads/thumbs/7699.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7700 http://datsun1200.com/uploads/thumbs/7700.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7703 http://datsun1200.com/uploads/thumbs/7703.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=7704 http://datsun1200.com/uploads/thumbs/7704.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=8040 http://datsun1200.com/uploads/thumbs/8040.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=8051 http://datsun1200.com/uploads/thumbs/8051.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=8320 http://datsun1200.com/uploads/thumbs/8320.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=8467 http://datsun1200.com/uploads/thumbs/8467.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=8469 http://datsun1200.com/uploads/thumbs/8469.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=8472 http://datsun1200.com/uploads/thumbs/8472.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=8555 http://datsun1200.com/uploads/thumbs/8555.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=8557 http://datsun1200.com/uploads/thumbs/8557.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=9422 http://datsun1200.com/uploads/thumbs/9422.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=9423 http://datsun1200.com/uploads/thumbs/9423.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=9501 http://datsun1200.com/uploads/thumbs/9501.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=9550 http://datsun1200.com/uploads/thumbs/9550.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=10801 http://datsun1200.com/uploads/thumbs/10801.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=11107 http://datsun1200.com/uploads/thumbs/11107.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=11246 http://datsun1200.com/uploads/thumbs/11246.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=11284 http://datsun1200.com/uploads/thumbs/11284.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=11285 http://datsun1200.com/uploads/thumbs/11285.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=12605 http://datsun1200.com/uploads/thumbs/12605.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=13279 http://datsun1200.com/uploads/thumbs/13279.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=13280 http://datsun1200.com/uploads/thumbs/13280.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=13837 http://datsun1200.com/uploads/thumbs/13837.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=13961 http://datsun1200.com/uploads/thumbs/13961.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=14572 http://datsun1200.com/uploads/thumbs/14572.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=14573 http://datsun1200.com/uploads/thumbs/14573.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=14574 http://datsun1200.com/uploads/thumbs/14574.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15021 http://datsun1200.com/uploads/thumbs/15021.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15028 http://datsun1200.com/uploads/thumbs/15028.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15129 http://datsun1200.com/uploads/thumbs/15129.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15141 http://datsun1200.com/uploads/thumbs/15141.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15144 http://datsun1200.com/uploads/thumbs/15144.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15356 http://datsun1200.com/uploads/thumbs/15356.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15642 http://datsun1200.com/uploads/thumbs/15642.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=15696 http://datsun1200.com/uploads/thumbs/15696.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=16118 http://datsun1200.com/uploads/thumbs/16118.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=16120 http://datsun1200.com/uploads/thumbs/16120.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=16180 http://datsun1200.com/uploads/thumbs/16180.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=16373 http://datsun1200.com/uploads/thumbs/16373.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17281 http://datsun1200.com/uploads/thumbs/17281.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17292 http://datsun1200.com/uploads/thumbs/17292.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=17294 http://datsun1200.com/uploads/thumbs/17294.jpg] 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| - | [http://i113.photobucket.com/albums/n215/uncopreo/13btestfit_zps9fc1baa3.jpg http://i113.photobucket.com/albums/n215/uncopreo/th_13btestfit_zps9fc1baa3.jpg] | + | {{PhotoPost|13btestfit_zps9fc1baa3.jpg|427382|wiki}} |
| [[Category:Engine Modifications]] | [[Category:Engine Modifications]] | ||
| [[Category:Engine Swaps]] | [[Category:Engine Swaps]] | ||
Revision as of 21:32, 15 October 2016
The Mazda rotary engine is a good match for Datsun 1200 -- it is light and compact. It makes more power than a piston engine of the same size and weight. The engine weight is down low so it doesn't interfere with good handling.
Contents |
Performance
Also See: wikipedia:Mazda Wankel engine
Typical engine power in stock form:
- 12A: 100-130 HP, 100-115 lb. ft. torque
- 13B EFI: 135 hp, 133 lb. ft. torque
- 13B-Turbo (1987-1991 "Turbo II"): 185-200 HP
- 13B-REW (twin turbo) 255-280 hp
- 13B-MSP (RX-8) 237 hp USA, 191-250 hp world
Quarter Mile acceleration performance ranges from quick to insanely quick. With a totally stock rotary engine you won't be wanting for power.
- 19.8 secs at 65 mph: Stock Datsun 1200 piston engine (baseline)
- 16.1 at 90mph: bone stock 12A rotary engine tuned by ear
- Ange's 13.7 second 12A bridgeport
- JVML's 8.1 second 13B twin turbo
Rotor Power
Discussions
Engine
The Mazda rotary comes in two common sizes: 12A and 13B. In Australia, choose a 10A for street legal swaps. Everyone else, choose the 13B. There are less common versions, the old 10A and the ultra-rare and expensive 20B triple rotor.
12A
Mazda 13B carbureted
13B Fuel Injected
Mazda 13B Turbo rotary engine
Factory EFI 13B Turbo
13B Turbo with factory intercooler
20B triple rotor
Engine Mounts
Front Mount
Most use the front-mount case. If your rotary doesn't have it, you can retro-fit it using a 12A timing cover (which fits on 13B).
Template:PhotoPostH Template:PhotoPostH
Side Mount
Cut out about 10mm out of the standard 1200 crossmember and brace it. Weld new custom-made brackets.
Mad Dat 13BT Fitting Kit allows the newer-type rotary engine side mount, their crossmeber curves down so the top of the cross member is lower.
Datrotor fabricated these for a 13B:
Motor Plate
For racing a motor plate can be used. Not recommended for a street car as it transmit vibration directly to the body.
Oil Pan
Use the Moroso oil pan for Datsun 1200.
Transmission
Use the transmission that comes with the rotary engine (the Mazda transmission).
Driveshaft
A custom driveshaft to mate the Mazda transmission with your differential will have to be fabricated. Any driveshaft shop can make this for you.
Shifter
A new shifter mount hole may need to cut? Look into doing the shifter extension mod otherwise your shifter will be a little bit to far back for comfort (it will sit in between the front seats right in front of the handbrake).
Transmission Mount
Mount the gearbox the with a similar bracket to ca18 one.
or make a new gearbox crossmember:
Tunnel
Some fabricate a large tunnel. Is it necessary, or just used with beefy racing transmissions?
In any cause, you'll have to make the tunnel higher through the middle and make space for the clutch fork, or cut a hole for the clutch fork.
Alternatively you can fit an aftermarket hydraulic throwout bearing to replace the clutch fork.
Differential
The least 12A engine outputs 100 lb. ft. of torque. The stock Datsun 1200 H145 diff can handle that.
But many 12A put out 115 lb. ft. of torque, which calls for a stronger diff. The H150 from a B210 or B310 can handle this.
Stock 13B engine calls for an H165.
Any modified rotary (especially if the turbo boost is raised) will need a stronger differential, such as a Nissan H190. Drag racing versions need the ultra-strong Ford 9".
See: Rear Axle Swaps
Exhaust
For the 13BT, run headers to the rear firewall across to the passenger side.
Photo Index
