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Thread: 85 IT7 starting issues

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  1. #1
    Join Date
    Sep 2001
    Location
    hampden,ma.usa
    Posts
    3,083

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    These cars are start terrible on old plugs even in street form, so anytime you have a starting issue change the plugs. With a race prepped carb I always have to use ether the first time I start it each weekend then it is fine from then on. I never start the to load or unload it as I was told shuting it of cold was bad for it.
    dick patullo
    ner scca IT7 Rx7

  2. #2
    Join Date
    Mar 2002
    Location
    Black Rock, Ct
    Posts
    9,594

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    Flooded: Remove plugs, replace with fresh if you've got them, or dry existing. While they are out, crank over. Be prepared for the shooting mist/cloud. I assume the choke is gone. Transmission fluid (auto) is popular for regaining compression, BUT, your neighbors will HATE you. Mine called the cops one summer Saturday. Drop a bit in the carb while cranking. Then replace plugs. My particular carb likes a bunch of gas pedal pumping. (No choke) when it's really cold. If it's REALLY cold, like 50 degrees and it hasn't been started in a few days, it's ether time.
    Jake Gulick


    CarriageHouse Motorsports
    for sale: 2003 Audi A4 Quattro, clean, serviced, dark green, auto, sunroof, tan leather with 75K miles.
    IT-7 #57 RX-7 race car
    Porsche 1973 911E street/fun car
    BMW 2003 M3 cab, sun car.
    GMC Sierra Tow Vehicle
    New England Region
    lateapex911(at)gmail(dot)com


  3. #3
    Join Date
    Jan 2001
    Location
    Buffalo, New York
    Posts
    2,942

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    Tie it to your tow vehicle and flat tow it around the block a number of times...been there on numerous occasions with an RX3.

  4. #4
    Join Date
    Apr 2008
    Posts
    9

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    So I tried the plug clean up, seafoam and oil in the carb, and some gumout and starter fluid for good measure. I got it to kick over and run for maybe 15 seconds, then it would stop when it ran out of stuff to burn. I'm now guessing that the carb initially flooded the engine right before it gave up the ghost and stopped working because it seems like it's not getting fuel.

    I'm going to check the filters and lines to see if I'm getting gas to the carb. If that looks good, time for a carb rebuild or just rebuilt one from Sterling.

    Thanks for your help and encouragement. Any further suggestions are appreciated.

  5. #5
    Join Date
    Nov 2009
    Location
    Pacific Northwest
    Posts
    7

    Default

    I'm not really sure of the differences between our engines (PRO-7 vs IT7) but when the engine is cold or first start of the day try a hotter plug like a NGK 8 series and then let it warm up. After it is warm slip in a colder 9 series to race with. So far I have always got my started with the 9's but it starts alot easier with the 8's. Good luck.

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