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> 1975 L-Jet info
bd1308
post Oct 11 2006, 05:52 PM
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Did the 1975 L-Jet system have the throttle position sensor? I am using a bus system rigth now and it actually does not have such sensor, but the idle is ROCK SOLID.
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MartyYeoman
post Oct 11 2006, 06:12 PM
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Yes, it has a throttle position sensor.
It acts more like a switch.
It only senses WOT.
Nothing but WOT.
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bd1308
post Oct 11 2006, 06:15 PM
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INtresting, so no idle contacts too. My 74 one had two sets, one for idle and one for WOT. I was ready to put the TPS on...wheres the connector? It wasnt there.
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jd66921
post Oct 11 2006, 06:23 PM
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I have an idle sensor on my '75 914, but I don't know what it does
beyond what the manual says.

Jeff
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bd1308
post Oct 11 2006, 06:26 PM
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Intresting, VERY intresting.
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jd66921
post Oct 11 2006, 06:37 PM
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QUOTE(bd1308 @ Oct 11 2006, 05:26 PM) *

Intresting, VERY intresting.



What are you plottimg?

(IMG:style_emoticons/default/popcorn[1].gif)
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Mueller
post Oct 11 2006, 06:56 PM
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according to this site: Bus stuff, some years of the buses had no TPS...some had a microswitch on the TB and some had neither....

you might end up running lean at WOT...something that might not have been a concern with the buses???? (IMG:style_emoticons/default/confused24.gif)

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bd1308
post Oct 11 2006, 07:01 PM
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I spend like 1.2% of my time at WOT
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ClayPerrine
post Oct 11 2006, 09:12 PM
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All of the L-Jet systems used on 914s had a throttle switch, and they all had contacts for wide open throttle and idle.

The 912E didn't have one of the contacts, IIRC it was the WOT contact, but I am not positive.


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Bleyseng
post Oct 11 2006, 09:14 PM
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On my 77 Westy, I think its all in the AFM as there are traces inside like a TPS. Nope, it doesn't run lean at WOT as it adjusts and set the AFR correctly.

Its a good alternative to Djet and could be adapted for use on a FI on the cheap set up.
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