 MPS tunning, Do my plugs seem to lean |
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| Ron914 |
 Mar 17 2026, 04:17 PM
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Member  Group: Members Posts: 488 Joined: 19-April 22 From: Huntington Beach,Ca Member No.: 26,487 Region Association: Southern California 
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I have a 2056 and was advised I should tune my MPS for optimum performance .
I rebuilt it with CFR diaphragm kit so I could dial it in . I have not tried to tune it yet and am wonder how my plugs look ? I have to richen the mixture on the ECU to run well (CW). I understand running lean will cause high heat , which could be part of my problem with high running temperatures . They look on the rich side to me . Plugs are in order 1-4 (#3) does not have the number on it.     |
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Posts in this topic
worn They look about right to me, but you may want to b... Mar 17 2026, 04:22 PM rjames What Worn said. You'll need a wideband AFR kit... Mar 17 2026, 04:42 PM Montreal914 I have to richen the mixture on the ECU to run wel... Mar 17 2026, 05:24 PM FlacaProductions Re: MPS tuning - this will get you to post 12 of a... Mar 17 2026, 06:39 PM emerygt350 Ron, those look pretty good.
Besides the afr and ... Mar 17 2026, 06:55 PM brant You really have to use an AFR
Plugs are not sensi... Mar 17 2026, 07:17 PM
Superhawk996 The color of the ceramic electrode insulator is wh... Mar 17 2026, 07:36 PM  |
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