Recent content by JT78

  1. J

    Pleas help pertronix conversion

    Right I’ve read that the module is a pertronix 1 with the Sierra name on it
  2. J

    Pleas help pertronix conversion

    I have an 86 190 3.7l . I’m installing a Sierra labeled pertronix igniter and pertronix flame thrower 3ohm. Now I have had to basically rewire whole boat partially using original harness but running a decent amount of my own wires my starting system completed less neutral safety ect. So my...
  3. J

    1986 Mercruiser 470 Starter & Fuel Pump

    Thanks for making this post I have a starter coming tomorrow for 80$ way better than 200$ and using junk 👍
  4. J

    1986 Mercruiser 470 Starter & Fuel Pump

    Right the fellow showed me the flame arrestor it’s between the commutator and aluminum housing I dug out a 305 starter I had from my 1991 caprice the housing that holds the brushes and coil’s have the same Delco # stamped on them. I’m going to swap them and get it running for tuning and break in...
  5. J

    1986 Mercruiser 470 Starter & Fuel Pump

    That’s really a good price I was quoted $200 at the place I took my starter to yesterday but he said it would be more than what it’s worth to rebuild but showed the difference between marine and auto since it was apart.
  6. J

    1986 Mercruiser 470 Starter & Fuel Pump

    Also I couldn’t see any difference in assembly from an auto 305 starter I pulled apart to compare so hope you don’t mind me asking a question on your thread if someone can answer what is the difference that makes it marine safe
  7. J

    1986 Mercruiser 470 Starter & Fuel Pump

    Not sure if you figured out yet I have an 1986 190 4 bbl my starter looks like it’s been submerged halfway I pulled apart other than mounting flange the rotary assembly brushes ect I’ve measured and are same dimensions as an 80s early 90s Chevy v8 starter I’m going to take it to a guy at a place...
  8. J

    3.7 L 170 188 190 224ci mercruiser

    I was just saying guy could have mistaken
  9. J

    3.7 L 170 188 190 224ci mercruiser

    I’m not sure how just read a post recently I found that was an older post where a fellow claimed that but hey he could have had a bad misfire before he did the conversion.
  10. J

    3.7 L 170 188 190 224ci mercruiser

    You might have to down jet it may be too much fuel I’m pretty sure even the quadrajet has smaller jets for the smaller displacement motors. Also I bought a new 600 edelbrock about 10 years ago I think it was the 1404 I had so much trouble getting it tuned in finally I pulled it off and went...
  11. J

    3.7 L 170 188 190 224ci mercruiser

    Are you running a 4bbl on the 4.3?
  12. J

    3.7 L 170 188 190 224ci mercruiser

    Do you still run yours
  13. J

    3.7 L 170 188 190 224ci mercruiser

    Mine is an 86 190 4bbl doing research I’ve read it’s 6 inches longer than a 3.0 but I measured everything between the 2 it’s only a little over 3 inches difference, l guess did good when I rebuilt all stringers motor mount for the front ect. I gave myself the option for all but inline 6 lol. But...
  14. J

    3.7 L 170 188 190 224ci mercruiser

    I love both your responses Scott I love you’re a grumpy old guy who plays with boats the grumpy part especially cause I’m a grumpy middle aged dude lol. I’m also a machinist by trade and have to do 70% of our factory maintenance, we also do heat treat case hardening through hardening air/oil...
  15. J

    3.7 L 170 188 190 224ci mercruiser

    Let’s start a discussion what you hate what you like about this engine.along with other fixes I have made a few modifications to mine I’m trying to revamp this bad boy and turn it into what it should have been . Any discussion on this beast is welcome
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