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Paxton drivability questions
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<blockquote data-quote="Shaun@AED" data-source="post: 14087944" data-attributes="member: 32381"><p>Ignore the actual numbers.</p><p>The maf signal is all over the place with the Paxton as you are driving down the road. This results in fueling, load, and everything else the ECU uses to calculate based on Maf is rapidly changing all the time. (Trans pressure and shift points as well BTW). The ECU is constantly reading these changes and trying to adjust.</p><p></p><p>Remember, Maf is the multiplier to the airflow model. Any rapid changes in the signal WILL result in rapid changes in Injector pulse width, Ignition spark (due to load changes), Throttle angle (due to MAP changes), etc. All of which means not as smooth drivability compared to those setups that have *clean* Maf signals.</p><p></p><p>Also notice what the Maf does after you let out of the throttle (Deceleration). Maf signal goes nuts due to the small Blow Off Valve on those kits. An upgrade to a Tial is manditory IMO (if you don't want stalling issues anyway).</p></blockquote><p></p>
[QUOTE="Shaun@AED, post: 14087944, member: 32381"] Ignore the actual numbers. The maf signal is all over the place with the Paxton as you are driving down the road. This results in fueling, load, and everything else the ECU uses to calculate based on Maf is rapidly changing all the time. (Trans pressure and shift points as well BTW). The ECU is constantly reading these changes and trying to adjust. Remember, Maf is the multiplier to the airflow model. Any rapid changes in the signal WILL result in rapid changes in Injector pulse width, Ignition spark (due to load changes), Throttle angle (due to MAP changes), etc. All of which means not as smooth drivability compared to those setups that have *clean* Maf signals. Also notice what the Maf does after you let out of the throttle (Deceleration). Maf signal goes nuts due to the small Blow Off Valve on those kits. An upgrade to a Tial is manditory IMO (if you don't want stalling issues anyway). [/QUOTE]
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