 Rev Limiter (123 Ignition) |
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| Not_A_Six |
 Dec 3 2019, 06:12 PM
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#1
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Member  Group: Members Posts: 110 Joined: 28-November 18 From: North Idaho Member No.: 22,682 Region Association: Pacific Northwest 
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The positive reviews here have me looking hard at a 123Ignition dizzy replacement on my '73 2.0 w/ stock D-Jet.
But, the version they offer for the 914 that's compatible w/ D-Jet (123\PORSCHE-4-R-V-IE) has a fixed 8000 rpm rev limiter. The thought of my motor turning to shrapnel at 8000 rpm is a just tad bit worrisome. (IMG:style_emoticons/default/icon8.gif) Ed at 123 Ignition said that the OEM rev-limiting rotor won't work in their dizzy, and suggested an aftermarket stand-alone rev limiter. But, I'm not too enthusiastic about adding an extra box at additional expense, just to limit revs. Has anyone here used the 123Iginition w/ D-Jet? What did you do to limit rpm? Anyone just run without a rev limiter? Thanks. |
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| BeatNavy |
Dec 3 2019, 06:26 PM
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#2
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Certified Professional Scapegoat Group: Members Posts: 2,924 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region
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QUOTE(Not_A_Six @ Dec 3 2019, 07:12 PM)  Has anyone here used the 123Iginition w/ D-Jet? Yes, many of us have. Works really well. QUOTE(Not_A_Six @ Dec 3 2019, 07:12 PM) What did you do to limit rpm? Nothing. Just drove it, why? (IMG:style_emoticons/default/confused24.gif) Seriously, is not having a rev limiter a real worry? I don't know that anybody here using the 123 is that worried about running too high on revs or has had a problem. I mean, I'm not racing or anything, but I rarely get too much above 5000. |
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| Not_A_Six |
Dec 3 2019, 06:32 PM
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#3
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Member Group: Members Posts: 110 Joined: 28-November 18 From: North Idaho Member No.: 22,682 Region Association: Pacific Northwest
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QUOTE(BeatNavy @ Dec 3 2019, 04:26 PM) ...Seriously, is not having a rev limiter a real worry?... I dunno. (IMG:style_emoticons/default/confused24.gif) Maybe I just shouldn't worry about it... |
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| porschetub |
Dec 3 2019, 06:53 PM
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#4
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Advanced Member Group: Members Posts: 4,697 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(Not_A_Six @ Dec 4 2019, 01:32 PM) QUOTE(BeatNavy @ Dec 3 2019, 04:26 PM) ...Seriously, is not having a rev limiter a real worry?... I dunno. (IMG:style_emoticons/default/confused24.gif) Maybe I just shouldn't worry about it... Not 100% but think the stock rev limiter creates a ground which to some electronic modules is instant death as it becomes a short,if the unit has no polarity protection. T4's don't make huge rev's in the normal driving range and don't need to if stock,really they run out of puff under 5K,I wouldn't worry. |
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Posts in this topic
Not_A_Six Rev Limiter (123 Ignition) Dec 3 2019, 06:12 PM
BeatNavy Ok, then I wouldn't let that stop you if you... Dec 3 2019, 06:38 PM
Mark Henry You want no more than a 6K redline and never use a... Dec 4 2019, 09:36 AM Not_A_Six
You want no more than a 6K redline and never use ... Dec 4 2019, 09:52 AM VaccaRabite
Thanks. I was more concerned with somebody over-... Dec 5 2019, 08:16 AM GregAmy How would you accidentally rev past 6K?
Mis-shift.... Dec 5 2019, 08:52 AM Mark Henry
[quote name='Not_A_Six' post='2767423' date='Dec ... Dec 5 2019, 01:42 PM Not_A_Six
How would you accidentally rev past 6K?
A rev lim... Dec 5 2019, 05:30 PM |
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