Crome Pro users... I need some feedback.
12-23-2005, 03:24 AM
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Crome Pro users... I need some feedback.
Ok guys, this is the deal...
I finally tuned my car myself with Crome pro, and it's the ****! My car is running nice n smooth with idle afr at 15.0-14.7 range. I followed the "golden sheet" to set my target lamda's and I've hit them all almost dead on. I just need to fine tune the High Cam, and boost section and I'll be good to go. Now on to my problem. Everytime at cold start my car would be reluctant to start. It starts up everytime, I turn the ignition on, but it just seems like its not getting enuff gas to where it sounds, "click vrooooom". But instead it sounds, "click chug chug vrooom"
What kinda adjustments do I need to make on Crome Pro in order to fix this problem? This only happens at cold startups. When it's warmed up, it starts up like a champ, "click Vrooom"
Any insights on this topic would be greatly apprecaited.
Nick
I finally tuned my car myself with Crome pro, and it's the ****! My car is running nice n smooth with idle afr at 15.0-14.7 range. I followed the "golden sheet" to set my target lamda's and I've hit them all almost dead on. I just need to fine tune the High Cam, and boost section and I'll be good to go. Now on to my problem. Everytime at cold start my car would be reluctant to start. It starts up everytime, I turn the ignition on, but it just seems like its not getting enuff gas to where it sounds, "click vrooooom". But instead it sounds, "click chug chug vrooom"
What kinda adjustments do I need to make on Crome Pro in order to fix this problem? This only happens at cold startups. When it's warmed up, it starts up like a champ, "click Vrooom"
Any insights on this topic would be greatly apprecaited. Nick
12-23-2005, 03:29 AM
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Re: Crome Pro users... I need some feedback. (AlphaQup)
what size injectors are you running? in the fuel multipliers there is a startup adjustment, where u can richen on lean out the start up, with my car i had to lean it up or it wouldnt start warm.
12-23-2005, 03:35 AM
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Re: Crome Pro users... I need some feedback. (Boosted Chemist)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Boosted Chemist »</TD></TR><TR><TD CLASS="quote">what size injectors are you running? in the fuel multipliers there is a startup adjustment, where u can richen on lean out the start up, with my car i had to lean it up or it wouldnt start warm.</TD></TR></TABLE>
I have 450's. I'll have to look into that. May I ask what size injectors you're using and what setting do you have it at for "startup fuel" ?
I have 450's. I'll have to look into that. May I ask what size injectors you're using and what setting do you have it at for "startup fuel" ?
12-23-2005, 05:31 AM
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Crome needs cranking fuel and postfuel adjustments. As with all things, give it time.
In the short term, look to the 0-700 rpm cells around atmospheric pressure... the MAP sensor reads there KOEO, and drags back to the idle regions as the engine cranks. Those are the cells the ECU is seeing, and if you fiddle those you will improve your startup characteristics A LOT.
In the short term, look to the 0-700 rpm cells around atmospheric pressure... the MAP sensor reads there KOEO, and drags back to the idle regions as the engine cranks. Those are the cells the ECU is seeing, and if you fiddle those you will improve your startup characteristics A LOT.
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