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  1. hivoltage98

    Bypassing 1999 Challenger 1800 Mpem

    ONLINE LED STORE Waterproof 10-Way Mini Blade Fuse Block 20A/Outlet [IP56] [10 Independent Circuits] [14 AWG Tin Coated Wires] with Mounting Brackets Amazon.com: 10 Way Waterproof Fuse Box for Automotive [Mini Blade Fuses] [14AWG Wires] [200 Amp] [Up to 20A per Socket] [LED Indicator] [12V - 32V...
  2. hivoltage98

    787 engine troubles

    Carbs were rebuilt last season, brand new filters 6 hours before that, I always use non ethanol gas to keep her in tip top shape. I also replaced the oil filters and bled the lines so no air bubbles were in them.
  3. hivoltage98

    787 engine troubles

    What ya guys think? Looks like the edge of the piston broke off and killed it.
  4. hivoltage98

    Trim Tab

    If you only use one, no.
  5. hivoltage98

    Bypassing 1999 Challenger 1800 Mpem

    Yep that’s the right diagram. You just have to implement it into your wiring in the boat.
  6. hivoltage98

    787 engine troubles

    Bad thing happened today, engine died. Not sure what it was. Backstory- a few weeks ago I noticed the rave valve adjustment knob sticking up and the rave valve pistons had melted. So I replaced the rave valves (they were broke), in their entirety and used aluminum pistons from sea halt. I had...
  7. hivoltage98

    Trim Tab

    And no porpousing. Sooo nice
  8. hivoltage98

    Trim Tab

    Same. Makes it feel like a whole different boat!
  9. hivoltage98

    Bypassing 1999 Challenger 1800 Mpem

    This is my finished version of my mpem rip out on my 99 challenger 1800. My mpem stoped working on the port side when I bought it, so I bypassed the mpem with a 4255. This year after replacing the rave valves it finally gave up the ghost and wouldn’t start the port engine or starboard without...
  10. hivoltage98

    NO GUAGES

    check your grounds. believe the 12v is fed from the beeper, so you have 12v but your grounds sound like they are missing.
  11. hivoltage98

    RESTO Mpem delete

    So I had to fix 2 broken rave valves last weekend on my starboard engine and clean the port engine rave valves. I had used the sea halt aluminum rave valve pistons on the port engine and they were in perfect condition. The other engine the caps had melted so I upgraded them to the new aluminum...
  12. hivoltage98

    Msd spark help needed

    I have done the conversion for the port engine as well. It works awesome. Let me know if you need more info.
  13. hivoltage98

    1994 gtx oil grommets

    I’m looking for the oil tank grommets for my 94 gtx. I can’t find any info on parts sites since they start at 1996. Any help appreciated.
  14. hivoltage98

    Trim Tabs for Speedster 200

    These are interesting since I was looking for trim tabs for my 99 challenger 1800. Let me know how they work on further testing. I was looking at the nauticus trim tabs and upon looking in the forums they seem to work great but you lose your reverse since they block it. ( not that it works...
  15. hivoltage98

    ‘96 challenger sitting in garage 12yrs

    Dump the gas, have carbs cleaned, new battery, new 2 stroke oil, then enjoy!
  16. hivoltage98

    Bypassing 1999 Challenger 1800 Mpem

    I have a wiring diagram somewhere as I followed what bolongo did with the msd units. If I have time I’ll get it and post it on here.
  17. hivoltage98

    Need new cables

    They were great. No problems.
  18. hivoltage98

    Need new cables

    Yep. Mine were shot also. I got them from SBT.
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