Quote:
Originally Posted by 86TOYO2k17
Sounds like you covered the basis much better than anyone else has done. Good job.
Just to clarify / cliff notes.
8 runs with racer X manifold, best run chosen, all basically the same?
8 runs with stock manifold, what run was chosen, best? All basically same?
All runs done same day / car / dyno.
What tune was used for each?
Did racer X have a custom tune to optimize that?
Did oem have a custom tune to optimize that?
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Correct on all runs basically within 1hp of each other with the last 3 runs of each set typically the highest. We chose the best runs of each to keep it possible to read when plotted.
Same car, same dyno, same day.
We never unstrapped the car. Installation was done within a 45 minute window between runs.
First runs were with the Racer X since it was already installed and tuned.
Stock tune was done by Tommaso and has been used with my car for about a year or more now. He tweaked the tune for the Racer X after install, so both tunes were "optimized" for each intake. No off the shelf tunes were used.
I will say there may be some opportunities to tune through dyno logs, but I don't have the funds to continue on in hopes to cover the gap. The curve looks pretty similar to what Racer X posted with less anomalies so it's probably safe to say there isn't much low hanging fruit for a tuner to get.
In total I probably have about $1200 in parts, tuning, and dyno time. It was a gamble I thought worth taking at the time, granted I was a bit buzzed and black friday got the best of me.