For Bus/Bug - This Throttle Body Reverser (TBR) uses the tightest tubing possible and allows for clearance between the intake manifold and firewall on the VW Bus and VW Beetle. The factory Subaru throttle cable and bracket are used for an easy and clean installation.
Fits Naturally Aspirated EJ series throttle bodies. "Drive-By-Wire" intake manifolds are a very tight fit and require clearancing of the fuel tank firewall on bus, and parcel tray on bug (alternatively, you can rotate intake manifold 180*, but relocation of alternator will be necessary). DBW throttle body grounds through bolts so run a ground lead if powdercoating or painting mounting surfaces. Throttle Body modification is necessary on some models - see Youtube video for a quick tutorial here: https://youtu.be/E-vE1GxSZTM and here: https://youtu.be/Yz3PlI5HBHE It appears this modification is likely to not work well on turbo engines, as they are likely to be more sensitive to pressure differences.
These are designed to be used with the stock VW transmission. If using a SubaruGears trans in a Bug, the mounts lift the engine a couple inches, requiring clearance of parcel tray.
If you would like to double-check compatibility, touch to email your model, year, and engine size and I'd be happy to confirm. Years 98-01 SOHC 2.5L throttle bodies may need the ignition coil spaced up 1". Spacer seen here https://www.youtube.com/watch?v=F3hDlCnO7lk Silicone gasket maker or throttle body gaskets can be used.
*NOTE: TBR's are powder coated black, no hardware or gaskets. If using a 90-94 or 05+ throttle body, slight modification necessary on TBR (trim one side plate 1/4" to accommodate throttle position sensor.
**NOTE: "Drive-By-Wire" intake manifolds are a very tight fit and require clearancing of the fuel tank firewall on bus, and parcel tray on bug (alternatively, you can rotate intake manifold 180*, but relocation of alternator will be necessary).
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