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356 928 |
California
Motorsports Inc. 2175
N. Kiowa Blvd Ste 108, Lake Havasu City AZ USA 86403 (928)
855-5755 voice, (928) 855-6021 fax |
Boxster |
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PORSCHE
930 4 SPEED TRANSMISSION (prices and availability are subject to change
without notice) |
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930 (EARLY-SHORT BELL) TRANSMISSION SPECIFICATION ·
Type: 930/30, 930/32, 930/33 ·
Original equipment for: Porsche 3.0L
930, 911 Turbo 75-77 ·
Description: 4 speed manual transaxle, std
H pattern, early Porsche synchromesh, straight cut reverse ·
Limited Slip Differential: 40%-80% ZF
LSD optional equipment ·
Weight (approx): 117lbs ·
Oil capacity (approx): 3.7L SAE 90 oil
of API classification GL5 ·
Speedometer: electric/hall sensor ·
Controls: linkage ·
Clutch: 240mm single plate pull clutch,
cable operated ·
1st gear: 2.25 ·
2nd gear: 1.304 ·
3rd gear: 0.893 ·
4th gear: 0.656 ·
Final drive: 4.00 ·
Gear chart, stock gears: |
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930 (LATE-LONG BELL) TRANSMISSION SPECIFICATION ·
Type: 930/34, 930/36 ·
Original equipment for: Porsche 3.3L
930, 911 Turbo 78-88 ·
Description: 4 speed manual transaxle,
std H pattern, early Porsche synchromesh, straight cut reverse ·
Limited Slip Differential: 40%-80% ZF
LSD optional equipment ·
Weight (approx): 117lbs ·
Oil capacity (approx): 3.7L SAE 90 oil
of API classification GL5 ·
Speedometer: electric/hall sensor ·
Controls: linkage ·
Clutch: 240mm single plate pull clutch,
cable operated ·
1st gear: 2.25 ·
2nd gear: 1.304 ·
3rd gear: 0.893 ·
4th gear: 0.625 ·
Final drive: 4.22 ·
Gear chart, stock gears: |
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CMS 930 TRANSMISSION REBUILDING, REPAIR AND
MODIFICATION SERVICES We offer a variety of services for your 930
transaxle and would be happy to send you a quotation for any project however
large or small! ·
Full transmission overhaul ·
Shorten bell housing and input shaft ·
Re-register bell housing ·
Flip ring gear for mid engine or
inverted use ·
Prepare for inverted use ·
Electric speedo modification (cover
side) ·
Steel sleeve bore repair bell housing
and center case ·
Slave cylinder retrofit ·
Main shaft straightening ·
Dog ring replacement, gear spot welding
and honing ·
Internal spray bar oiling system ·
Custom MIG and TIG welding ·
Cryo and or REM gears |
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CMS 930 BILLET BEARING RETAINING PLATE ·
Fits all Porsche 930 4 speed transmissions ·
Precision machined from 4130 Chromoly ·
Improved design incorporates an oil groove promoting more lubrication
to the input shaft bearings ·
Substantial clearances for ease of assembly ·
Perfect fit for bearings and assembly with correct preload ·
Much stronger than the original cast design $199
How to modify case and bearing race for improved
lubrication to the main shaft bearings |
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ALBINS 930 RING AND PINIONS The overall gearing in your transaxle
can be reduced or increased with alternative ratio final drive gears. We offer OEM replacement sets as well as
Albins made sets-and in ratios that the factory never produced. These
high quality spiral bevel gear sets are produced on the same cutting
equipment and with the same design as OEM. ·
$2925-4.63, 8:37 ·
$2650-4.22, 9:38
(stock ratio) ·
Please ask about further ratios! |
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ALBINS 930 GEARS Stock gear ratios are designed for
drivability and fuel economy and not necessarily for best performance. Whether you have a stock motor or one
that has been tuned your transmissions’ gear ratios may not be optimum for
your driving needs. Optimizing your gears to match your engines’ power
curves can make a huge difference on the track, often resulting in reduced
lap times, and can give the sensation that there has been a gain in
power. Alternative gear ratios can make the car more fun to drive or be
more drivable. We carry a wide selection of OEM and
Albins gears to suit a variety of applications. ·
1st, 2nd, 3rd or 4thgear
sets are $895 per set; comes with new synchro teeth
installed ·
930 gear list |
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ALBINS 930 SYNCHRO TEETH Sometimes termed as dog ring or synchro hub, these
are the teeth that your shift sleeve/slider engages into. If you have a bad synchronizer and if you
have been grinding going into gear - you probably need to replace this part. These are a direct replacement for both OEM and
Albins gears. ·
1st gear synchro teeth, asymmetrical
type $165 ·
2nd gear synchro teeth $165 ·
3rd-4th synchro teeth $165 |
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ALBINS 930 BILLET SIDE PLATE The original differential side cover is made of cast
aluminum. Under load there can be a
tremendous force applied to this cover, and it can break, sometimes resulting
in a damaged ring and pinion-or worse.
Upgrading to a billet side plate will add significant strength and
increased reliability to the differential section. Our version features a thrust screw to reduce ring
gear deflection under load. $495 |
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KAAZ 930 LIMITED SLIP DIFFERENTIALS Help put your power to the ground more effectively
and add stability with a limited slip.
This is an improvement for a street car and a must for track car. ·
12 plate
design ·
High grade
billet steel housing ·
1.5 way
asymmetrical ramps ·
6 possible
internal settings ·
Treated steel
plates allow for smooth and quiet operation ·
Provision for
electric speedo reluctor ring ·
Fits all 930
4 speed transmissions Rebuild parts and services are also available. $1695 |
