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Thread: Another gauge question

  1. #1
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    Another gauge question

    Any comments on using AFR and EGT gauges would be appreciated. I'm considering getting these and putting them in a dash pod similar to what Big Joe P has.

    I'm thinking one wide band O2 sensor mounted at the front end of the x-pipe will sample from both sides. One EGT sensor for each side between the collectors and cats with a 2-channel gauge sounds like the best way to accurately make use of EGT readings.

    The problem I have is that Autometer doesn't have two matching Ultra-Lite gauges to do this. The small gauges only have a single channel EGT while the big gauges do not offer an AFR. Also, the indicators don't really match too well either. So I'm thinking of possibly something digital. But it needs to look at least a little bit like the Autometer gauges I have everywhere else.

    Suggestions???
    Thanks to Darrin @ BC Automotive:
    $1800 and it was worse than when he started!

    Brian (FordNut) FPG # 1458 of 7838
    03 MM 300A (Lotsa mods, 130k mi) was 303rwhp/318rwtq N/A
    then 476/410 D1SC ProCharged on stock block
    then 660/555 D1SC PC on 5.3 wet sleeved Teksid alum big bore stroker
    then 365/369 N/A on 5.3 wet sleeved Teksid alum big bore stroker
    Now 751/617 3.4L Whipple on 5.3 Boss5.0 iron big bore stroker

    03 MM 300B Silver (Mostly stock, originally wife's car, 370k mi) FPG # 7053 of 7838 or 49 of 417 SB
    03 MM 300B Silver, Stock, wife's next one, 136k mi FPG # 7134 of 7838 or 89 of 417 SB
    04 MM Silver, Stock, on standby 85k mi, FPG # 1212 of 3214 or 432 of 997 SB
    01 F150 longbed
    01 F150 shortbed
    00 F150 4x4 stepside
    01 F150 4x4 7700
    68 Stang FB (70 351C 4V, 4 wheel discs, project car)

    Mods listed here (some items not current): FordNut's Mods

  2. #2
    I've been thinking 'bout EGT gauges. Please post your progress!

  3. #3
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    I mounted a Nordskog digital AFR gauge using the Ford steering column pod mount (I think the pod was your find originally). The read out is nearly useless as it yo-yos up and down constantly. Reading another post suggests that it may be because its sensing from a bung in the front cats rather than the rear. I'm interested in how yours works out 'cause it would be nice to have a useful read out.
    2003 300A Black Mercury Marauder 4334 of 7839
    Trilogy #150 installed by Carfixer & Tallboy 4/21/2007
    (brute's garage)


  4. #4
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    [QUOTE=FordNut]Any comments on using AFR and EGT gauges would be appreciated. I'm considering getting these and putting them in a dash pod similar to what Big Joe P has.QUOTE]

    Darn, I thought it was gonna be a really neat shotgun/trap shooting thread.

  5. #5
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    I don't get the Air-Fuel Ratio guage thing some of you guys have. It is being controlled by the PCM and the only possible thing it could warn you about is an injector or the fuel pump gone south and by the way the engine will be running it is already gonna be obvious somethings wrong.

    Lots of more important things to monitor, IMHO. Trans temp, oil temp, rear end temp...

    ...passenger front seat bottom moisture!

  6. #6
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    Quote Originally Posted by David Morton
    I don't get the Air-Fuel Ratio guage thing some of you guys have. It is being controlled by the PCM and the only possible thing it could warn you about is an injector or the fuel pump gone south and by the way the engine will be running it is already gonna be obvious somethings wrong.

    Lots of more important things to monitor, IMHO. Trans temp, oil temp, rear end temp...

    ...passenger front seat bottom moisture!

    I see, by your signature, that you've added a remote gas door. How hard was that to do?

    Thanks.
    2004 Marauder, 302 hp, DTR over Charcoal, built
    04/04/04, and delivered 06/17/04. Sold 02/23/07 with 77,000 miles

    2003 Eddie Bauer Explorer, 239 hp, 98,000 miles

    2003 Anniversary Special Corvette Convertible, 350 hp, 18,000 miles

    1967 Corvette, 435 hp, 100,000 + miles

    1977 IH Scout, lots of torque, lots of miles

    1994 Topaz, who cares, 232,000 miles

  7. #7
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    Here's DynoJet's version...

    http://www.widebandcommander.com

  8. #8
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    Quote Originally Posted by 427435
    I see, by your signature, that you've added a remote gas door. How hard was that to do?

    Thanks.
    Remote Electric Fuel Door Install for 300B http://www.mercurymarauder.net/forum...ad.php?t=14434
    Last edited by MM03MOK; 12-05-2004 at 05:29 PM.

  9. #9
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    [QUOTE=Mike Poore]
    Quote Originally Posted by FordNut
    Any comments on using AFR and EGT gauges would be appreciated. I'm considering getting these and putting them in a dash pod similar to what Big Joe P has.QUOTE]

    Darn, I thought it was gonna be a really neat shotgun/trap shooting thread.
    Yeah, me too!

    OK - back on topic! Gotta go with Dave on this one - maybe EGT if you're running NOx but even then it will be too late by the time the gauge reads too high!
    SOLD '03 300A Black - "805" of 7838
    Plate - "EVILMERC"

    I won't be wronged. I won't be insulted. I won't be laid a-hand on. I don't do these things to other people, and I require the same from them.

    Gillom Rogers: [Books is giving Gillom a shooting lesson] Mr. Books, How is it you've killed so many men? My spread wasn't much bigger than yours.
    John Bernard Books: First of all,friend, there's no one up there shooting back at you. Second, I found most men aren't willing, they bat an eye, or draw a breath before they shoot. I won't.

  10. #10
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    Quote Originally Posted by Krytin
    Yeah, me too!

    OK - back on topic! Gotta go with Dave on this one - maybe EGT if you're running NOx but even then it will be too late by the time the gauge reads too high!
    I like a man who can see reason! I also agree with your assessment on the NOx but two EGT pyrometers would be usefull if we had a dual-turbo set-up like the ones Gale Banks has, then we'd know if something was up with the waste-gates' sychronization.

    Back off topic, Mr. 427435 (I assume that cryptic nick has to do with an engine and it's hp rating) I completed the job (you can find it detailed at the thread MM02MOK listed) in 2hrs., after the painting and parts were all in hand.

    All too easy.

    OK, everybody can go back on topic now.

  11. #11
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    Quote Originally Posted by David Morton
    I don't get the Air-Fuel Ratio guage thing some of you guys have. It is being controlled by the PCM and the only possible thing it could warn you about is an injector or the fuel pump gone south and by the way the engine will be running it is already gonna be obvious somethings wrong.
    As many of us have seen when making minor changes to air boxes, intake tubes, exhaust systems and such, these minor changes can change the AFR, necessitating a re-tune. If you can monitor this yourself, you don't have to go get strapped to the dyno and hooked to a wide-band every time, only if you see that the car NEEDS a re-tune.

    Quote Originally Posted by David Morton
    Lots of more important things to monitor, IMHO. Trans temp, oil temp, rear end temp...
    But I'm already looking at all the "important" stuff IMHO.

    Quote Originally Posted by David Morton
    ...two EGT pyrometers would be usefull if we had a dual-turbo set-up like the ones Gale Banks has, then we'd know if something was up with the waste-gates' sychronization.
    Well, I'm not going along the same old conventional path that most others follow. I'm putting a water (water/methanol) injection system on my car. EGT is very useful in setting up the water system, such as setting up turn-on points and selecting nozzle sizes. So if I put in a pyrometer, which side should I choose? Eenie, meenie, miney, BOTH.
    Thanks to Darrin @ BC Automotive:
    $1800 and it was worse than when he started!

    Brian (FordNut) FPG # 1458 of 7838
    03 MM 300A (Lotsa mods, 130k mi) was 303rwhp/318rwtq N/A
    then 476/410 D1SC ProCharged on stock block
    then 660/555 D1SC PC on 5.3 wet sleeved Teksid alum big bore stroker
    then 365/369 N/A on 5.3 wet sleeved Teksid alum big bore stroker
    Now 751/617 3.4L Whipple on 5.3 Boss5.0 iron big bore stroker

    03 MM 300B Silver (Mostly stock, originally wife's car, 370k mi) FPG # 7053 of 7838 or 49 of 417 SB
    03 MM 300B Silver, Stock, wife's next one, 136k mi FPG # 7134 of 7838 or 89 of 417 SB
    04 MM Silver, Stock, on standby 85k mi, FPG # 1212 of 3214 or 432 of 997 SB
    01 F150 longbed
    01 F150 shortbed
    00 F150 4x4 stepside
    01 F150 4x4 7700
    68 Stang FB (70 351C 4V, 4 wheel discs, project car)

    Mods listed here (some items not current): FordNut's Mods

  12. #12
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    Quote Originally Posted by SergntMac
    Here's DynoJet's version...

    http://www.widebandcommander.com
    This looks really nice, now if I can find a EGT gauge that matches it pretty closely, I'll be set.

    Thanks for help rather than criticism!
    Thanks to Darrin @ BC Automotive:
    $1800 and it was worse than when he started!

    Brian (FordNut) FPG # 1458 of 7838
    03 MM 300A (Lotsa mods, 130k mi) was 303rwhp/318rwtq N/A
    then 476/410 D1SC ProCharged on stock block
    then 660/555 D1SC PC on 5.3 wet sleeved Teksid alum big bore stroker
    then 365/369 N/A on 5.3 wet sleeved Teksid alum big bore stroker
    Now 751/617 3.4L Whipple on 5.3 Boss5.0 iron big bore stroker

    03 MM 300B Silver (Mostly stock, originally wife's car, 370k mi) FPG # 7053 of 7838 or 49 of 417 SB
    03 MM 300B Silver, Stock, wife's next one, 136k mi FPG # 7134 of 7838 or 89 of 417 SB
    04 MM Silver, Stock, on standby 85k mi, FPG # 1212 of 3214 or 432 of 997 SB
    01 F150 longbed
    01 F150 shortbed
    00 F150 4x4 stepside
    01 F150 4x4 7700
    68 Stang FB (70 351C 4V, 4 wheel discs, project car)

    Mods listed here (some items not current): FordNut's Mods

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