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  1. C

    redline

    does the max rpm of an engine change if its stroked, and if so does the redline move higher or lower than stock?
  3. C

    header bolts

    what header bolts do you use and is there truly a "best" one out there?
  4. C

    champion plugs

    my 440 is give or take a little, a hundred hp over stock, whats the next coldest champion plug available, I checked their site but it wasnt clear, the letter changed from j to y but it still has the same temp range as the stock plug, I'm going to use the oem champion around town and go to a...
  5. C

    high to low altitude

    I moved from 6300ft elevation to about 770 ft, I read a few sites that said if a carb was running great at one elevation that it should also run great at any elevation high or low and keep the jetting you have because the venturie signal ( ?) carb doesnt recognize altitude ...this is counter...
  6. C

    catastrophic failure

    Question... what are the factors that determine an engines redline or as ma mopar put it point of catastrophic failure ?(I call it grenade). the listed max rpm for a factory 440 is 6000 and I know they will spin higher than that. Is it stock valve train geometry, and or rod cap fasteners that...
  8. C

    mp cam

    What does everyone think of the old mp 533 hyd cam for a 98% street driven 440ci. I found a brand new, never used one. the thing that worries me is the 320 advertised duration, I don't know what it does @ 50. I have a crane fireball 292 adv duration, basically it's their version of a 509 and to...
  9. C

    High altitude adjustments

    I need a little help from the nose bleed racers out there, I live @ 6300ft elevation and the nearest track is @ 5000ft give or take, I have a holley 950 hp, what size jets are you guys running? also should I adjust the air bleeds and pump shot or just stick with the jetting? My set up is a .30...
  10. C

    holley carb history

    Hey guys, has anyone ever hear of the holley 1000cfm vacuum secondary carb, model # 806519? what years was it in production? was this a street carb? It seems like such an unusual piece, there must be a cool story behind it. Thanks
  11. C

    reaction

    working on my rt, is a .548 a good start?
  12. C

    octane boosters

    I've tried a few different octane boosters in the past and to tell the truth I've never noticed any seat of the pants or by ear as in pinging difference which begs the question, are they legit or just snake oil? I get alot of anectdotal stories, is there any info out there based on legit...
  14. C

    local strip

    I've never been but one of these days I want to run my car at the "local" strip (86 miles away), my question is how does it work? All I want to do is drive down and race for the fun of it, old school head to head stuff not offical classes etc.
  15. C

    max wedge port specs

    Does anyone have the sizes of the intake ports on a stock 426 max wedge head? I can only find the volume of them, I need to know how tall and wide the openings are. Thank You
  16. C

    valve size

    will 2.14 intake and 1.81 exhaust valves fit stock 440 heads? 906,452's Thank you
  17. C

    carb spacers

    what's your general opinion on a one inch carb spacer and any performance gains on a stock mopar 4bbl intake? 440 .30 over, 10-5-1 pistons
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