 Dyno numbers create K&N question... |
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 Mar 5 2007, 10:02 PM
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Advanced Member  Group: Advanced Members Posts: 620 Joined: 24-December 03 From: Chester, VA Member No.: 22  |
I made 3 pulls on a dyno-jet dyno over the weekend. The car is all stock with a K&N filter. It has a little over 4,000 miles on it. I didn't plan to run the Camaro, but the other 2 projects I had in mind weren't ready. The first pull was 288.6 hp/307 lbft at the wheels. Pull 2 was 286.?? and 307.??. The third pull, I swapped the K&N for the AC the car came with. The hp was back to 288 and the torque was up to 311. The dyno operator mentioned that the engine was a bit leaner as well, indicating better flow with the AC. I've had the K&N on it for about 2,500 miles, it's clean and not over oiled. Does this surprise anyone?
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Mar 5 2007, 10:49 PM
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#2
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Experienced Member Group: Advanced Members Posts: 1,766 Joined: 10-April 04 From: New Orleans, LA Member No.: 303 |
I've heard that some people have those results. Look at it this way, more flow is not always better. When you take off the filter, the MAF goes nuts and the car won't hardly even idle. Don't know if it's the increased air or what.
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Posts in this topic
rpoz-29 Dyno numbers create K&N question... Mar 5 2007, 10:02 PM
RedHardSupra airflow changes must be accompanied by computer ch... Mar 6 2007, 02:46 AM firehawkclone QUOTE (rpoz-29 @ Mar 5 2007, 03:02 P... Mar 6 2007, 06:50 AM Teutonic Speedracer I would also think that heat soak would be kicking... Mar 6 2007, 12:19 PM RedHardSupra heatsoak is a big issue when you combine a plastic... Mar 6 2007, 05:32 PM John_D. QUOTE (rpoz-29 @ Mar 5 2007, 04:02 P... Mar 6 2007, 05:37 PM CMC#5 I'm confused...your first pull was 288, then 2... Mar 6 2007, 09:56 PM John_D. Sounds like HP was basically the same. Since that... Mar 6 2007, 10:41 PM rpoz-29 The operator of the dyno felt that heat was someth... Mar 7 2007, 03:32 AM
RedHardSupra the best test for MAF being miscalibrated is to tu... Mar 7 2007, 07:18 AM |
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