914 6 Gear Shifter System to

Porsche 914 transaxle

VW Tech posts - Aircooled.Net Tech TalkA Porsche 5 rate conversion is an awesome modification that produces your Type 1 VW really nice to push! The Porsche transaxle is strong from the start because it is designed when it comes to power of a-flat six motor. The close ratio gears of this Porsche tranny have the ability to maintain your high end motor with its energy band, whilst the fifth equipment proportion enables simple highway cruising. However, it is not a “weekend mod” for beginners! The job involved with changing to a Porsche 5 speed tranny includes welding and custom fitment and really should simply be undertaken in the event that you you've got fabricating experience. You will also should be prepared to do a little fine tuning to experience perfectly smooth shifting.

An IRS backside suspension setup is required in place of a swing axle setup, because the Porsche box is obtainable in an IRS configuration, and that can not be changed into move axle. And of course, you will have to find a good used Porsche 901/911 or 902 5 speed gear box.

Strategies for Identifying a suitable 5 speed Porsche Gear package applicant

Porsche 5 Speed Transmission ConversionIdentification marks can be found from the bottom of Porsche Gearboxes. Porsche 901 equipment bins were used when you look at the Porsche model 911 from about 1965 to 1968. They certainly were manufactured from aluminum and had a push kind clutch. Late 901 Porsche equipment bins (1969-71) were made of magnesium. 1969 nonetheless used a push kind clutch, but 1970/71 switched to a pull kind clutch system.

The 902 Porsche Gearbox is found in the early Porsche design 912. The 902 is the identical dimensions and contains equivalent internals given that 901, but different equipment ratios. Its a proper gearbox for the 5 Speed Conversion outlined below.

a late-model 914 Side Shift transmission can be used for a 5 speed conversion but needs additional work and components maybe not covered in the article below. The Porsche 915 gearbox is larger rather than the topic of this do it yourself conversion article.

Step 1: Adapt the Rear Transmission Mounts

Adjusting the trunk tranny supports on 901 is done by drilling holes inside 901 to suit the holes in the original beetle transaxle. We advice a spare pair of Urethane backside pad mounts as they do not have studs (they normally use nuts and bolts) in order to put the mount appropriate within the location and level it perfectly. After the holes tend to be marked, drill all of them. Use somewhat this is certainly simply bigger than 8mm so the mounts fit great and tight.

Adapt back VW Tranny Mounts

The nice benefit of performing the rear mount version initially is the fact that it gives you a static suggest work from for fitment towards the VW pan. Today the transaxle may be paired toward floorpan.

Step 2: Clearancing and Fitment

When you carry within the 901 and attempt to fit it making use of the back mounts as mention of the in which it requires to be, you'll begin to realize exactly how much larger and much longer the 901 is really! Place a straight-edge parallel towards the surface as well as on the surface of the feedback shaft as a research, then measure toward torsion tube one foot from the center on each part. Utilizing the beetle trans this measurement was 22.75 inches. You should possess 5 speed as far ahead that you can because it is about 1 inch longer than the beetle trans. It’s far easier to change the automobile to simply accept the newest 901 place then modifying the human body for an engine that sits 1″ more right back! Clearance the frame horns when it comes to sides associated with the gearbox and for the clutch pipe bracket from the region of the field. Mark areas to be clearanced utilizing a paint pen or marker. Its good to clearance less than possible to keep some energy in the framework horns. The input when it comes to shifter on 901 exits the bottom of the trans as opposed to the middle like a beetle. A hole must be slashed in to the base for the pan. To get a corner regarding the 901 as close to 22.75″ back through the torsion tube. Also gently clearance the leading of trans and also the torsion pipe. Don't pull more material than essential!

Clearancing for clutch bowden tube bracket

Clearancing for right-front of trans instance

Adapt back VW Transmission Mounts for Porsche 5 Speed Conversion Porsche 5 Speed Conversion - Clearancing for Clutch Bowden Tube Bracket Porsche 5 Speed Conversion - Clearancing for Appropriate Front of Transmission Case Transmission Front Mounts
Source: www.aircooled.net
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