engine dies on revs once reaches 4800rpm
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  1. #1
    Official RnS Addict speedfreaks's Avatar
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    engine dies on revs once reaches 4800rpm

    Hi all.

    Got all gauges all working and set now so took out to try new gauges with shift light had shift light set to 5500rpm but as was getting there soon as got to 4780 revs they drop striaght to nothing then about 2000 revs on the gauges they are all set right and can hear the engine drop also.

    Ive made sure the tach wire to dash is kept separate from other semders as it says and shift light does work as i re set to 2500 and they light up then.

    The dizzy is a msd vac pro billet with a msd separate coil msd cables.

    Carb is a 600 edelbrock.

    Any one got any ideas why this is happening? Would help alot.

    Thanks phil

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    Official RnS Addict 35kid's Avatar
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    sounds like the built in rev limiter is kicking in. http://documents.msdperformance.com/8360.pdf

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    Official RnS Addict speedfreaks's Avatar
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    Quote Originally Posted by 35kid View Post
    sounds like the built in rev limiter is kicking in. http://documents.msdperformance.com/8360.pdf
    O right never knew it had a built in one. Will have to look see if can adjust it then hopefully thanks mate

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    Official RnS Addict speedfreaks's Avatar
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    35kid your a life saver mate. Just read through the link and will sort it out tomorrow morning now then

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    Official RnS Addict speedfreaks's Avatar
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    Got a problem there's no grey wire as described in the link

  8. #6
    Official RnS Addict speedfreaks's Avatar
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    Mines 8380 just found part number on the back with a mirror.

  9. #7
    Official RnS Addict speedfreaks's Avatar
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    Anyone got any ideas as it dont have a built in rev limiter? could it be carb, faulty coil, dizzy any thing?

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    cc41memorylane is offline
    Some distributor's have the limiter in the rotor arm. 2.8 cologne v6 have it. Weak spring early revs cut.
    I'm not the best welder in the world.... but I'm in the top 5!

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    Official RnS Addict speedfreaks's Avatar
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    Quote Originally Posted by cc41memorylane View Post
    Some distributor's have the limiter in the rotor arm. 2.8 cologne v6 have it. Weak spring early revs cut.
    Its not one that has the limiter as said. Are you on about another part that it could be inside as the one i have cant find any info on? all i find is about 8360 not the 8380i have?

    This is mine without the cap on




    and with on

    Last edited by speedfreaks; 08-11-2016 at 11:14.

  12. #10
    Official RnS Addict speedfreaks's Avatar
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    ferg made a good point today and mentioned about ballast resistor now im not sure if mine has one or needs one with the dizzy im using and so on. Anyone else shed some light if i need one on the car? and how would you tell if needed one?

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