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  1. Replies
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    1,737

    Slipping Water Pump Pulleys

    I am becoming convinced that my water pump/fan pulley is slipping and causing higher than desired water temps on a 602 crate. I run the aggressive steel GM four blade fan with two blades trimmed...
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    3,654

    Generally, increase rear % either with more...

    Generally, increase rear % either with more static weight or get the car to transfer weight to the rear on exit with shocks. We switch out the front tie down shocks with more easy-up shocks to help...
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    1,064

    Oil Restrictors with Stamped Rockers

    I'm repurposing an old stock car motor and need to replace the roller rockers with stamped roller tip rockers. The regular ones with the grooved ball trunion. I know getting plenty of oil on these...
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    2,712

    LR Hike Up Effects

    On a 2 link B-mod rear suspension with the springs centered on rear end, running Left bar up around 26 degrees (Right side around 8 degrees). The LR hikes up and drives the tire into the track for...
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    Same here. I took a new blade on the recip saw...

    Same here. I took a new blade on the recip saw and carefully cut two blades off flush on a genuine GM fan. Been running it for 3 seasons with no problems and it pulls a ton of air.
  6. Thread: Fuel

    by rangerover
    Replies
    16
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    4,038

    On a 602 Crate in a B-mod, which would you...

    On a 602 Crate in a B-mod, which would you prefer?
    Sunoco 110
    Sunoco 100
    Mix of Sunoco 110 and 91 pump gas
    We've been running the mix to get safer octane than plain pump gas, but I read a lot...
  7. No. We just tried lowering the panhard at the...

    No. We just tried lowering the panhard at the pinion this past weekend to try to keep the car from skating up the slick track right after entry and past the center. It's been three wheelin for...
  8. The chain limit is set to the set up sheets...

    The chain limit is set to the set up sheets recommendation but still has more adjustment left. As it is right now, the LR bar goes to about 44 degrees at full droop. This brings up another question....
  9. Thank you for all the input guys. We kept the...

    Thank you for all the input guys. We kept the front angles and started the night with 50 lbs of bite. On back, we ran L bar up at 23 degrees and R was dropped to 6 degrees to minimize roll steer. ...
  10. Yah, I hear ya. Many things in race car set up...

    Yah, I hear ya. Many things in race car set up seem to be a compromise. I'm leaning towards keeping the desired front end geometry, even if I have to crank into the LR quite a bit. My thinking is...
  11. Correct Angles/Ride Heights or Correct Bite?

    Helping a buddy with B-mod. Set up sheet states certain upper control arm angles for front suspension and measurements from top of rear housing tube to overslung tube in rear. Problem is that with...
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    4,929

    I'm embarrassed to report back. I cut the filter...

    I'm embarrassed to report back. I cut the filter and it was completely clean, even when dragging a magnet through it. It turned out the oil level was extremely low. The crazy thing is that I did the...
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    4,929

    There lies the problem. We are a four hour drive...

    There lies the problem. We are a four hour drive (each way) from the nearest certified rebuilder. Truck freight changes the total price tag and becomes a pain because they can only pick up and drop...
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    4,929

    Ok, guys. At the risk of becoming a Darwin Award...

    Ok, guys. At the risk of becoming a Darwin Award winner, I’m thinking about welding on my oil pan to pull back the dent. One way is the spot welded studs and puller like the body shops use and the...
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    4,929

    Good ideas on the camera probe and cutting oil...

    Good ideas on the camera probe and cutting oil filter. I'm running a K+N long oil filter with the provision for a 1" socket. I think the part # is HP3002, if I'm not mistaken.
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    4,929

    I'm fearing the same thing and hope we haven't...

    I'm fearing the same thing and hope we haven't damaged anything. I guess an authorized rebuilder can open it up and check. Could they just remove the pan and work on bottom end without getting into...
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    4,929

    602 Crate Oil Pressure Light Flickering

    We noticed the 20# oil light coming on after a race coming off the track. Water temp was only 190 and the three night old oil is Amsoil 10-30 Dominator Synthetic. The next race, the oil light was...
  18. Replies
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    1,895

    Makes sense. Thanks guys.

    Makes sense. Thanks guys.
  19. Thread: crate fuel

    by rangerover
    Replies
    18
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    6,322

    I get it, man, but I'm in the oil fields and I...

    I get it, man, but I'm in the oil fields and I get a slow, unreliable phone signal if I stand on one leg on top of my truck and I don't have the printed rules on me. I read the thread and the...
  20. Thread: crate fuel

    by rangerover
    Replies
    18
    Views
    6,322

    I was hoping whoever read this and knew the...

    I was hoping whoever read this and knew the answer right away, would simply provide a quick answer. Do you know the answer?
  21. Thread: crate fuel

    by rangerover
    Replies
    18
    Views
    6,322

    Is this e85 IMCA Northern Sportmod legal?

    Is this e85 IMCA Northern Sportmod legal?
  22. Replies
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    1,895

    Thanks for the responses. I found out 1 is 1.250...

    Thanks for the responses. I found out 1 is 1.250 and the other is about 1.380 as was stated above. We're leaving the smaller Karl carb. It came with 72 jets and the previous owner ran straight Sunoco...
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    1,895

    Big and small venturi Crate carbs

    My buddy bought a nice used northern sportmod with a 602 crate. It came with 2 crate carburetors, but we noticed that the Karl carb has small venturis. The Willys carb has venturi about 1/8" larger....
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    I hear ya on being consistent. Was looking at...

    I hear ya on being consistent. Was looking at Shaw and Jet basic recommendations but they don't mention the driver weight. The weight will definitely lower the angles, so not sure what to go with.
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    1,596

    Bar Angles With or Without Driver?

    I'm helping a guy with a Northern Sportmod. We're both new to these cars and have gathered a lot of info to establish a baseline. We noticed that a 165 lb driver in the seat changes the Panhard and...
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