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  1. Replies
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    660

    A good RaceSaver 305 will turn around 75-7,600rpm.

    A good RaceSaver 305 will turn around 75-7,600rpm.
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    856

    More duration, more lobe separation, installed...

    More duration, more lobe separation, installed slightly retarded. Crank the rpms up.
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    1,440

    That's alot of cam, and will more than likely be...

    That's alot of cam, and will more than likely be lazy on restarts and up off the corner. With that long of duration and duration split you'll be blowing your cylinder pressure right out the exhaust....
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    2,349

    I'd try adjusting the throttle ratio and linkage...

    I'd try adjusting the throttle ratio and linkage so that the throttle pedal travel remains the same but the carb only opens say 1/2--3/4 of the way, what ever you feel is enough. This works...
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    1,410

    Open right and closed left should provide the...

    Open right and closed left should provide the most down/side force.
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    467

    Reducing friction...

    Anyone have any experience with micro blue coating, or RF85 treatment??
  7. Thread: Engine rpm

    by fast_crew
    Replies
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    816

    If big track I'd figure gear to run about 7,200. ...

    If big track I'd figure gear to run about 7,200. Small track gear it to get up off corner, 7,400 or so.
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    506

    You can buy a decent roller for around $6000, a...

    You can buy a decent roller for around $6000, a used engine for around $10,000. A 360 could be used in the USAC wingless sprints and be competitive on most tracks.
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    354

    Call Lias Tire in Indiana PA and ask for Dustin,...

    Call Lias Tire in Indiana PA and ask for Dustin, he should be able to assist you.
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    731

    Doesn't really matter as long as you aren't...

    Doesn't really matter as long as you aren't bottoming out the spring, and can achieve proper ride heights. A taller spring has more distance between the coils and allows more travel before coil...
  11. Replies
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    2,465

    What if the holes are meant to let air in, and...

    What if the holes are meant to let air in, and while passing through the nose and out of the fender well a vacuum effect is created, pulling out more air than what passed through the holes to begin...
  12. Replies
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    4,551

    The RR and LR are slipping together. Solid axle,...

    The RR and LR are slipping together. Solid axle, car is in yaw, if one is slipping both are slipping. What you see is heat, which is result of friction caused by load. Quick lesson, rub your hands...
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    510

    Going from -4 to -3 hoses will give slightly...

    Going from -4 to -3 hoses will give slightly better pedal feel ( less expansion, less pedal travel) going from -3 to -2 is really not noticeable.
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    1,502

    A 2 piece intake with a plate can not suck oil in...

    A 2 piece intake with a plate can not suck oil in to the ports. Is this blue smoke or more like white steam that dissipates in the air?? Fill radiator pump up a few times, pull the plugs and crank...
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    1,241

    I'd swap the cam and give it a try and see how it...

    I'd swap the cam and give it a try and see how it runs. Stuff some gear to it and let ER eat. Get with Dayton Umholtz at KP carbs or Jet and get a carb worked over. Give Mike Jones at Jones Cam...
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    2,257

    It's pretty simple, a 200lb spring with 600lbs on...

    It's pretty simple, a 200lb spring with 600lbs on it is compressed about 3". A 100lb spring with that same 600lb load is compressed 6"... If LR hikes up 4".... well you get the idea.
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    663

    A single piston master will not give a good pedal...

    A single piston master will not give a good pedal travel, not enough fluid displacement to take up the caliper piston retraction. The 1-1/16 tandem should've given a good firm pedal if everything is...
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    989

    Another thing you can do, is adjust linkage and...

    Another thing you can do, is adjust linkage and hole positions, so that pedal travel/height remains comfortable, but limit the amount that the throttle actually opens. On a slick track you'd be...
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    645

    I have modified my own center links over the...

    I have modified my own center links over the years, position the inner tie rods near the lower a arm bolt and you'll be really close to zero bump.
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    Cut the intake flange on the head itself

    Cut the intake flange on the head itself
  21. Thread: Fuel ???

    by fast_crew
    Replies
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    2,120

    Methanol is definitely a safer fuel. Harder to...

    Methanol is definitely a safer fuel. Harder to ignite, less volatile, and can be extinguished with water/foam fairly easy.
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    1,094

    Zero deck height and .015 head gasket.??.....

    Zero deck height and .015 head gasket.??.. something doesn't jive here...pistons are sure to hit the heads. Much tighter than .035 and they will hit.
  23. Thread: Fuel ???

    by fast_crew
    Replies
    10
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    2,120

    Besides less fuel burn off, I feel there is no...

    Besides less fuel burn off, I feel there is no gain with gas over alcohol. Alcohol will make more torque if cammed correctly, no cooling issues, and good bit safer from a fire stand point.
  24. I'd reduce caster split to 1.5-2*. Verify LF...

    I'd reduce caster split to 1.5-2*. Verify LF brake or wheel brg isn't dragging. Rear square shouldn't make wheel pull one way or another.
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    What does right side tracking look like?? RR out...

    What does right side tracking look like?? RR out past RF?? Push RF out tuck RR in. Soften RR spring Abit.
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