 Converting a Vanagon TB for use with 1.8 L-Jet, How I did it |
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| MrKona |
 Nov 2 2014, 08:36 PM
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#1
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Senior Member  Group: Members Posts: 597 Joined: 25-July 05 From: Santa Rosa, CA Member No.: 4,469 Region Association: None  |
There's currently a thread about using L-jet from a 1.8L engine for a 2.0 with discussion about using bigger bore throttle body from a later Vanagon.
I tried it but ran into an issue with the orientation of the flat on the shaft that engages the throttle body switch component used with L-Jet. Pictures are worth a thousand words, so here goes.. Here's the TPS and a picture of each TB with the plate in the throttle closed position. Original 1.8 L-jet on the right, Vanagon donor TB on the left. Notice the different orientation of the flat on the shafts. The flat engages a corresponding flat on the TPS. The flat on the Vanagon shaft is in the wrong position for the TPS. Attached image(s)    
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| Dave_Darling |
Nov 3 2014, 12:29 AM
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914 Idiot Group: Members Posts: 15,063 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California 
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Peen or use Loctite on the throttle plate screws. You don't want one of them to fall out...
--DD |
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| MrKona |
Nov 3 2014, 01:47 AM
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#3
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Senior Member Group: Members Posts: 597 Joined: 25-July 05 From: Santa Rosa, CA Member No.: 4,469 Region Association: None |
QUOTE(Dave_Darling @ Nov 2 2014, 10:29 PM)  Peen or use Loctite on the throttle plate screws. You don't want one of them to fall out... --DD Dave - thanks for the reminder. I'll peen them. |
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Posts in this topic
MrKona Converting a Vanagon TB for use with 1.8 L-Jet Nov 2 2014, 08:36 PM
MrKona I didn't want to simply make a new flat on the... Nov 2 2014, 08:44 PM MrKona So I decided to use the shaft from the 1.8 TB. Onl... Nov 2 2014, 08:48 PM MrKona So I decided the way to go was to lengthen the rec... Nov 2 2014, 09:18 PM Geezer914 Great pictures! I just picked up a 2.1L thrott... Nov 2 2014, 09:20 PM MrKona Brief intermission, and on a related note.. anothe... Nov 2 2014, 09:24 PM MrKona Five minutes of careful grinding on each side was ... Nov 2 2014, 09:27 PM MrKona And with that, I inserted the modified shaft in th... Nov 2 2014, 09:31 PM MrKona One more note, you may have noticed already that t... Nov 2 2014, 09:34 PM rick 918-S Nice work. Way to think out of the box. Nov 2 2014, 09:50 PM Valy Did you try to use the vanagon throttle switch? Nov 3 2014, 02:11 AM
MrKona
Did you try to use the vanagon throttle switch?
... Nov 3 2014, 09:16 AM Valy
Did you try to use the vanagon throttle switch?
... Nov 3 2014, 02:14 PM MrKona
[quote name='MrKona' post='2105738' date='Nov 3 2... Nov 3 2014, 10:46 PM Root_Werks Really good write up and something I would have us... Nov 3 2014, 09:43 AM pilothyer Bryan Do you have the part number for this throttl... Nov 3 2014, 02:32 PM MrKona
Bryan Do you have the part number for this thrott... Nov 3 2014, 10:59 PM type47 I wonder what is the size of the TB for the 912E. ... Nov 4 2014, 06:15 AM Dave_Darling I believe that the TB for the 912E is identical to... Nov 4 2014, 10:10 AM N_Jay What about a mounting plate that picks up the TB m... Oct 1 2016, 06:25 AM jim_hoyland How was the performance improved ? Oct 1 2016, 06:41 AM rgalla9146 All of the grinding was done with the bench grinde... Oct 1 2016, 10:47 AM ClayPerrine I did this for Betty's car. I don't know... Oct 1 2016, 12:06 PM jim_hoyland
I did this for Betty's car. I don't kno... Oct 8 2016, 08:46 PM ClayPerrine
I did this for Betty's car. I don't kn... Oct 9 2016, 05:31 AM jim_hoyland
[quote name='jim_hoyland' post='2409129' date='Oc... Oct 9 2016, 06:46 AM jim_hoyland Bought a Vanagon TB today; gonna see how this work... Oct 2 2016, 07:27 PM 396 Clay,
You Da Man. Thanks for sharing this valuabl... Oct 9 2016, 05:05 PM aerokurt How about trying one from an Alfa spider from 1982... Oct 9 2016, 05:14 PM jim_hoyland
How about trying one from an Alfa spider from 198... Oct 9 2016, 07:44 PM jim_hoyland Just installed the modified vanagon TB; sent the T... Nov 16 2016, 09:38 PM jim_hoyland Pic of the orig 914 TB next to the Vanagon before ... Nov 16 2016, 09:41 PM Porschef Jim, what did you find to feel different? How was... Nov 17 2016, 11:59 AM jim_hoyland
Jim, what did you find to feel different? How wa... Nov 17 2016, 01:02 PM Geezer914 The 1.8 plenum is only 45mm. The throttle body is... Feb 17 2021, 07:23 AM ClayPerrine
The 1.8 plenum is only 45mm. The throttle body i... Feb 17 2021, 07:25 AM krazykonrad Not to get to far off topic, but... would a Vanago... Feb 17 2021, 09:12 AM ClayPerrine
Not to get to far off topic, but... would a Vanag... Feb 17 2021, 10:06 AM timothy_nd28 Has anyone done a GoWesty conversion yet?
Feb 17 2021, 11:40 AM strawman
Has anyone done a GoWesty conversion yet?
I se... Apr 2 2021, 11:41 AM ClayPerrine
Has anyone done a GoWesty conversion yet?
I s... Apr 2 2021, 12:05 PM timothy_nd28 I purchased the GoWesty throttle body a few weeks ... Apr 2 2021, 04:49 PM wonkipop
I purchased the GoWesty throttle body a few weeks... Apr 2 2021, 05:04 PM echocanyons I ran the go west TB for a couple years. I had ZPh... Apr 2 2021, 05:17 PM timothy_nd28 Beautiful! I'm going a slightly different... Apr 2 2021, 05:22 PM echocanyons There is a taper but the go westy is part fits wit... Apr 2 2021, 05:26 PM timothy_nd28 I was going to buy a used Vanagon throttle body, b... Apr 2 2021, 05:41 PM Geezer914 I had to open up the plenum with a tail pipe expan... Apr 4 2021, 01:38 AM timothy_nd28 The GoWesty throttle body came like this, some kin... Apr 5 2021, 03:29 PM strawman
... Also got rid of the 3d printed cam, and had... Apr 7 2021, 12:55 PM ClayPerrine
... Also got rid of the 3d printed cam, and ha... Apr 7 2021, 02:19 PM wonkipop so, if i want to do this, but not "destroy... Apr 5 2021, 06:18 PM Shivers I have its little brother
Apr 7 2021, 04:49 PM VaccaRabite Is the 2.1l TB the one off a wasserboxer?
@mrkon... May 2 2021, 06:55 AM ClayPerrine
Is the 2.1l TB the one off a wasserboxer?
[b]@[... May 2 2021, 08:27 AM VaccaRabite http://www.914world.com/bbs2/index.php?s=&...t... May 7 2021, 06:29 PM 914werke problem is the part has been outta stock for some ... Jun 22 2021, 03:23 PM |
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