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  1. 33 IMP

    Question about modern mopar tires

    Yeah, rears "defective" on a Red Eye. Right. LOL. Rears are defective on my Opel too. Tread completely gome in only 50 1/4 miles.
  2. 33 IMP

    Question about modern mopar tires

    The 20s on my car have aged out, but they appear great, and still have tread I don't really wanna give up. (Pirelli p-zeros, under 15k). Gonna try for another 5k. When I do replace, probably Nittos or Kumhos.
  3. 33 IMP

    Camshaft sizing help

    There ^^^^^^ is your answer. I feel pretty confidant that the cam 496 Polara suggested will fit, and be a good choice. . But you can't go wrong asking questions of reputable cam guys. Jones, Bullet, PRH. Just be prepared to answer as many questions about your car and usage as you can.
  4. 33 IMP

    Cleaning a white vinyl top.

    I don't recall ever having a vinyl roof car , so, .... with a grain of salt. I have a spray cleaner with bleach (probably similar to bleche-white). I might try it on a white roof, certainly NOT on a black one.
  5. 33 IMP

    Why are there so many members on this early!?

    Dumpster pickup at 4:10 am this morning. Didnt bother me any, the dogs woke me up at 3:45 for a potty break, in the rain.
  6. 33 IMP

    Camshaft sizing help

    In my opinion.... it still comes down to the comp ratio you have, and the deck height. That will determine how much cam you CAN use, and how much you SHOULD use. And without that info, we are all just spinning wheels. Check out a comp ratio calculator to find out all the info you need to have to...
  7. 33 IMP

    Camshaft sizing help

    It was going in a 440/727/60 Duster, for 90% strip use. Was a beast on the street, .... with 5000 converter, and 4.56.
  8. 33 IMP

    Camshaft sizing help

    Duration and cam timing have more effect on piston to valve than lift. At full lift, the piston is WAY down the hole. I made a cutter, out of an old valve, used a drill motor, and an old head as a fixture, and cut my own reliefs. Pick the lift you want, then get the shortest duration you can...
  9. 33 IMP

    Camshaft sizing help

    The factory rated compression ratios by Mopar are usually 1/2-1 point optimistic. Your 67 with closed chamber heads was probably closer to 9.5 to 1. Does it still have the standard bore 1967 pistons in it? If not, compression ratio could be anything. For reference, we had a cast piston flat...
  10. 33 IMP

    Camshaft sizing help

    Flattops can be anything from 7 1/2 to 11 1/2 compression ratio, depending on stroke and deck height. Do your pistons have valve reliefs? How far down the hole are they? We would need the accurate comp ratio (NOT what Chrysler or the piston manufacturer claims!) to begin to make a cam...
  11. 33 IMP

    Does intake need machining after zero decking block.

    Just now re-read your first post. Are the source heads you're planning on using closed chamber? What cc?
  12. 33 IMP

    Does intake need machining after zero decking block.

    I have a later build Eddie 440 Sixpack manifold, and the machining and core shift is gruesome. Wouldn't surprise me a bit if it needs some correction. The trouble is finding a machinist that can do it, and KNOWS what he's doing.
  13. 33 IMP

    Does intake need machining after zero decking block.

    Yeah, I'd like to have the gasket diameter closer to the bore size, but I'd look first for the thickness I want. Time to do some calculations to find how much available gaskets affect the comp ratio. I've always used the Wallace calculators, and without actual measurements of the heads, I use...
  14. 33 IMP

    Does intake need machining after zero decking block.

    If I were you.... I'd use the fattest head gasket (within reason) I could find (no quench to lose with a 906 head), a new bathtub, and use both gaskets that come with it. The fat head gasket will take the place of the material removed, and lower the compression ratio a bit, so you can maybe use...
  15. 33 IMP

    ISO 50 HP

    You were probably in front to 1300 feet.
  16. 33 IMP

    ISO 50 HP

    Thanks, that 'splains it. Still had to be close, even with your "off" pass. And looks like he was all out too (almost 150 mph!)
  17. 33 IMP

    ISO 50 HP

    I'm sorry, I don't understand. He was quicker by 4, your light was better by 6. You should have won the round.
  18. 33 IMP

    Found a new project. Ram D250

    That sounds like a very viable solution. I looked up reman 318 shortblocks, found one for just under $1000, I like what you found a lot better.
  19. 33 IMP

    Car Show Gripe/Rant

    The biggest show I know of here in the tri-state az area, keeps getting smaller and smaller. The nicest show, put on by a church in Havasu for a good cause, keeps getting bigger. I honestly don't know if either is a judged show. I just go to look at cars. (And entertain my dog.)
  20. 33 IMP

    Car Show Gripe/Rant

    My 33 has won a few shows, but not ever again. I'm too lazy and old to bother doing the prep to take a "show car" to a car show. I do enjoy going to car shows now, cause I can walk through the show, look at cars, and talk to people, and leave when I want. But it seems I talk to more people at...
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