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  1. Johnny Turbo

    Plymouth 383ci Big Block question

    Well that answers that. Thanks.
  2. Johnny Turbo

    Plymouth 383ci Big Block question

    I had another thought to run by you all. Due to the snow I haven't had a chance to check. Could it be as simple as an intake gasket failure? Could that allow coolant to creep into an intake port and or pushrod/valley area and then down into the oil pan? (Just thinking out loud)
  3. Johnny Turbo

    Plymouth 383ci Big Block question

    Yeah we are definitely on the same page with that. I'll try to keep you all posted, once I get time/weather to pull it apart
  4. Johnny Turbo

    Plymouth 383ci Big Block question

    Dang no fun. I guess anything is possible with this car. The story i got was it was sitting for years. The guy in bought it from "got it running, put the tunnel ram on it, but couldn't figure out why the brakes never worked" so he "never really drove it." The brake fix wasn't to bad. I...
  5. Johnny Turbo

    Plymouth 383ci Big Block question

    Oooh ‍♂️ Any idea how it happened?
  6. Johnny Turbo

    Plymouth 383ci Big Block question

    One more thing. No sure if it helps. The car idles cold at 65-70 psi oil pressure. Which is nice.
  7. Johnny Turbo

    Plymouth 383ci Big Block question

    To add to that, it seems to start ok but as it warms up, it starts to have a miss. I am guessing that's when the coolant starts to warm up, build pressure and then start to find it's way into the oil. I see no sign of oil in the radiator. No oil or coolant under the car. Oddly it doesn't...
  8. Johnny Turbo

    Plymouth 383ci Big Block question

    Ok, suppose the compression comes out good on all cylinders. What would you suspect would cause coolant in the oil? On the flip side what would you suspect if it was low on 1 or 2 cylinders? Thanks
  9. Johnny Turbo

    Plymouth 383ci Big Block question

    No i haven't done a compressiontest. I did bore scope the pistons/cylinders before i started it for the 1st time a few months back. They looked fine, some usual carbon and even cross hatching still left on the cylinder walls. It did run on initial start up for several minutes (until it warmed...
  10. Johnny Turbo

    Plymouth 383ci Big Block question

    I was reading Stealths write up on head gaskets. The flex pro 1009 used to be an issue. The refined the heads so now they work. I figured I was doing a head job, so I already ordered and got ARP head studs. Stealth offers head gaskets on their site. I'll check those out, because I already...
  11. Johnny Turbo

    Plymouth 383ci Big Block question

    Well now your talking. I agree, heads will come off once it warms up a bit and stops raining every other day. Do you think these would bump the compression ratio (is the value dome area smaller on these i hope)? Will stock push rods work? Again it has a stock cam and valve train in it now. I...
  12. Johnny Turbo

    Plymouth 383ci Big Block question

    Ok thanks! $400 give or take sounds very reasonable
  13. Johnny Turbo

    Plymouth 383ci Big Block question

    My apologies, yes it's a 69 383ci 2 bbl. That someone with a sense of humor put on a tunnel ram intake. The cam/ engine is stock other than the tunnel ram and the factory HP exhaust manifolds that came with the car and i installed them with a ITT H pipe
  14. Johnny Turbo

    Plymouth 383ci Big Block question

    My oil ‍♂️. So it's looking like a blown head gasket. Next question, thought on having the factory heads fully rebuilt vs Edelbrock aluminum heads. Looks like i can get the Edelbrock heads for around $1400. (With discount code and military discount). It has a stock cam lol but yes a...
  15. Johnny Turbo

    Plymouth 383ci Big Block question

    I can agree to that.
  16. Johnny Turbo

    Plymouth 383ci Big Block question

    Thanks brother! Something tells me, she has you to thank for a lot of her car knowledge. Dad life, there is NOTHING better.
  17. Johnny Turbo

    Plymouth 383ci Big Block question

    Sounds like a plan. I rebuilt one of its Carborators today. I'll do the other this week, then drain the oil and give her a good run. I couldn't really drive it because both carb's squirter diagrams were/are not functioning properly, so it would go lean and die out anytime I tried to drive it...
  18. Johnny Turbo

    Plymouth 383ci Big Block question

    Another good thought. I believe these heads are stock. They are definitely cast iron, and when i put the HP manifolds on it, i didn't see any visible head work. The rockers, springs etc. Look to be stock/original. The car is a true 85,000 mile car. So im guessing everything except the tunnel...
  19. Johnny Turbo

    Plymouth 383ci Big Block question

    A look at the oil dipstick as promised. Note: The oil brand is PennGrade so it comes a bit darker than most brands. Also the oil has MAYBE 2 hours total of run time on it.
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