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      06-27-2011, 02:23 PM   #11
bahn stormer
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Drives: 07 E90 335i 6MT, 65 MGB
Join Date: Feb 2008
Location: PA

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Quote:
Originally Posted by sear View Post
Great work on the DIY and thanks for going to the trouble of running the dyno test. I'd be surprised if heat soak had a lot to do with your later runs since I assume it took more than a minute between runs to make the intake box changes. If so, your IC should have cooled down between runs.
Thanks.

I did approximately 20 min cooldown after runs 1 and 3 but <5 min after run 2 since it was just a repeat. My point was that if people are looking at the difference between runs 1 and 3 to evaluate intake gains (since run 2 was adapting) then some heatsoak may have occured since run 3 was smoother but torque, HP, and boost are also slightly lower than run 2.

Clearly the intake has a 10 HP and 10 ft-lb torque gain, possibly up to 20 on some parts of the curves, by comparing runs 1 and 2. Unfortunately Procede was adapting on run 2.
Appreciate 0