Warm Up procedure

Discussion in 'Engine, Fuel and Exhaust' started by barttoday, Feb 25, 2010.

  1. barttoday

    barttoday Active Member

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    Got a question on warm up procedures. Used to, before I installed the 106 kit and S&S 551 cams, when it was cold outside (30's) I would crank the engine up and let her warm up a few minutes. The throttle was responsive and she ran at high idle while cold, but quickly warmed up. Now, since I have done the engine work, on cold start up, I don't touch the throttle. If I do it sputters and pops and she's a grumpy girl. Once warmed up runs like a scalded dog. Is my warm up enrichment set too fat?? Just curious to what the experts on this forum think? Thanks!!!
     
  2. Chopper

    Chopper Senior Member

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    I'm no expert but depending on what kind of tuner you have, say with a supper tuner you can go in and make the warm up tables richer or leaner, then try it. What kind of tuner do you have?
     
  3. barttoday

    barttoday Active Member

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    I'm running the SERT. Can I just adjust the cold engine enrichment w/o messing with the tuning?
     
  4. Chopper

    Chopper Senior Member

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    Yes, just go to the warm up tables and make your adjustments, keep the orignal settings in a file or write the down, if you have a larger intake or higher ve I would thing it would need to be richer, but in all the tears I've been tuning I have never had to touch those tables, but it don't hurt to try it, you can always go back.
     
  5. barttoday

    barttoday Active Member

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    I'll try it out and let you know how it turns out and what I do. Sometimes I need to "git" in a hurry, and in this cold weather and with the scoot acting so cold blooded its hard to do. (I usually like to let it warm up a bit to get that thickened oil moving, but sometimes ...) Thanks.
     
  6. murf

    murf Active Member

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    Don't necessarily need to "warm it up" although you're not hurting anything. Just let it run long enough to get oil flowing and pull away and ride for first couple minutes/miles at moderate pace to allow temps to get normal. Don't just fire it up and then redline it cold.
     
  7. barttoday

    barttoday Active Member

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    Leaned out the start up enrichment a bit and it's perfect now. I think the tuner at my local dealer added a little much to the warm up enrichment and had it running waay too fat. (I could smell fuel, and it seemed to "flood out" when I would pop the throttle on a cold start) I still need to do a little tweaking, but all in all it's going the correct direction. Thanks for all of the replies.
     
  8. Chopper

    Chopper Senior Member

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    Congrats barttoday, I never touch the warm up tables when just doing a tune but maybe your engine configuration needs it, that's the great thing about the super tuner, it gives you the tools you need to correct any issues.