I am going to get my 90 mil mass air tomorrow. I do not have a JDM chip yet. Here is my question. If I was to run the 90 mil mass air what condition whoud the engine incounter? I think it will run lean. How lean I am not shure. I have a chip that runs verry fat. This combo might work till I get my JDM chip. If the morar is running to lean then I should get pinging or a SES light with a code for the O2 allways lean. Any thoughts.
Paul.

 

It will run lean. DO NOT install it until you get the chip programmed for it. It's not worth the problems a lean condition can cause. Lloyd

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2000 Black L Airaid & Superchip R9. Drag Results: Best ET: 13.07 Best MPH 103.09 Best R/T .501 (twice) Best 60' 1.631 on F1's. Mods to come: JDM 90MM MAF, JDM 2# lower pulley, JDM Oval TB, JDM Line mod valve, JDM Flip chip steet/race, PSP Electric fan kit, M/T ET streets, Drive shaft loop. I thought I could be happy with a chip & filter, but NO! 1973 Cutlass Supreme 455/450HP 4 speed. Too many Mods to list! 95 Olds Aurora 91 S10 305TPI/700r4 project 2000 freightliner FL60 Rollback tow truck My garage overuneth.
MODERATOR OR ROAD KILL AT www.svtperformance.com

 

What Lloyd said !!!

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Later,
Chuck
Black 00
Chuck's Lightning Page

 

Lloyd and Chuck are correct there are many other adjustments the chip needs for proper tuning than just a lean issue! I now this first hand from trying different combinations on our trucks.From everything i have tested so far the 90mm and new calibrated chip is hands down the fastest setup for our trucks.

Matt

 

Ditto!

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Jim
Jim@FordMotor.cc

Black 00, #1008 of 4966, 4.10's, SuperChip/R9, JL’s Ram Air,
AIM 2" drop, AutoMeter Boost and A/F Gauges, chrome wheels,
Cobra Throttle Body, Mobile1 w/FilterMag
2000 E320, 1993 Cobra R, 1959 Corvette, 1949 Plymouth Coupe