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    carb size: how to determine

    is there a simple way to measure the carb to figure out venturi size and cfm with the E85 specialty carbs that don't have list numbers anywhere on them....
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    thank you Sir... we are working up a plan to...

    thank you Sir... we are working up a plan to address these issues.... I took the carb apart today and did not see any obvious generic issues... I have never used a belt drive pump with a check valve...
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    directly from the driver...>>>>>>>>>>>>>>>..Sure....

    directly from the driver...>>>>>>>>>>>>>>>..Sure. During the feature, when I run the bottom and drive off into the corner, and go to pick up the throttle at the 1/4 mark or so of the corner, the car...
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    I will have to get with the driver and get more...

    I will have to get with the driver and get more detail for you...... and pinpoint exactly what is going on.... It looks like, from where I was hanging in the fence... it would rotate on entry and...
  5. Raising motor in a 604 crate LM

    we have an older (2015) mastersbilt and have been told to raise the motor 1.250 inches in the car for the crate motor. Should we tilt it a few degrees down in the back and a few degrees to the left...
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    yes Sir, we raised and lowered the float level ,...

    yes Sir, we raised and lowered the float level , raising it seemed to make it worse, lowering it helped a little... driver "thinks" it's carrying 6psi fuel pressure down the straights , but not for...
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    we are trying to sort out a similar problem with...

    we are trying to sort out a similar problem with our 604 crate LM.... the WRC /aeromotive mech drive pump Part number is 250250LM..... does that mean it is a 250 size or 250 gph pump ? car was...
  8. 2014 gen x mastersbilt - where to start Birdcage index on a crate 604

    the generic set up sheet they sent me just says 14.5 L bar and 15.5 U bar.... 3rd hole up B, 5 hole up U bar... both sides...... seems like you should also check index with angle finder to double...
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    Basic Crate Late Model Setup

    The Guy I help traded a Mod for a Late model (2014 Mastersbilt) and we are trying Crate Late racing for the first time. First Late Model. Car needs body and some deck. While it is stripped down this...
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    limit hike / shorten chain

    would this be an adjustment for when the track rubbers up a bit in the feature and you get a little push on exit ? What is the ratio of Hike vs rear steer and what is more prevalent at the exit of...
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    what's your LS % and Rear %.?... remember ,...

    what's your LS % and Rear %.?... remember , everything you do to make a car turn on entry and in the middle are all band aids if the LS % is too low.... most people never get a car loose enough to...
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    Banana: you need to go whole hog and go to the...

    Banana: you need to go whole hog and go to the extended LR spring deal.... we are on a 16" long 85# LR spring...set it 1.25" pre load at full hike...jack it up, put it on the chain, take a tape...
  13. Thanks racer 69.... can't ever stop working on...

    Thanks racer 69.... can't ever stop working on the "science project" of suspension.... can't.... we have an added problem that makes you stay on top of it.... we can't just throw a new set of sticker...
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    Banana: I started with a 500 last Fri.... I am...

    Banana: I started with a 500 last Fri.... I am borrowing a 400 tomorrow and will put it on a spring checker and see how much I can smash it before I get into a coil bind issue.... Pre load is the...
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    march 2020 page 98 and 99

    march 2020 page 98 and 99
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    march 2020 dirtmonthly mag has a mark bush...

    march 2020 dirtmonthly mag has a mark bush article you need to read.... all your answers in there.... go to dirtmonthly.com for free down load.. they are free now because they can't print/ship........
  17. aero on a mod that can't run a roof

    we run a class of open wheel mods that don't run a roof.... body rules are very general, mostly IMCA type or close... max rear deck height, width, etc.. I'm an old school guy that for years, thought...
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    I am by no means an expert... but just thinking...

    I am by no means an expert... but just thinking about why and how you race these cars ........if your fast, it would establish a baseline for future adjustments... minor tweaks to improve... if your...
  19. motion ratio of a stock Chevelle lower a arm

    forgot to measure one this morning...anyone have a drawing or can tell me the measurements or motion ratio of a stock chevelle lower? Shaw mod chassis... we have to run stock lowers , but the...
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    just about everything you would every need to...

    just about everything you would every need to know about Wedge and bite, what it does and how to set it is in the Dirt Modified Magazine Article by Mark Bush , October 2012..... you can buy back...
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    bar angle on LR ? up how many degrees ?

    bar angle on LR ? up how many degrees ?
  22. Make sure your bias bar is set correctly.... MC...

    Make sure your bias bar is set correctly.... MC piston has to return all the way out or it can block the return bleed hole.. Also.... I would rather have mine like YOURS instead of His.... it means...
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    fill can is used to fill the cover after a gear...

    fill can is used to fill the cover after a gear change.... tap into the side where the spur gears are ... some castings have the boss cast into it, but not all the way through.... finish drilling and...
  24. Question about Rebound on LF Shock

    We run a mod class with older ( ours is a 09 Shaw) 4 link converted to 3 link, solid upper pull bar, springs on the housing , 9" floater, J bar....Chevelle front end.... No Roof with 6" spoiler,...
  25. sounds like your taking the correct...

    sounds like your taking the correct approach....you have felt the need for "freeing up" the car... so you have confidence now the car will stay up under you when you do it right.... for me as a crew...
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