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Failed Dyno Test but Still Impressive Gain

Originally Posted by Ryan998 No numbers after 6500 RPM because speed limit at 5th gear. Stilldefinitely impressive gain. My baselibe is 265/228 but in 4th gear(K&N drop in). ModsMagnaflow CBE

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Old 04-01-2017, 04:18 AM   #7 (permalink)
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Quote:
Originally Posted by Ryan998 View Post
No numbers after 6500 RPM because speed limit at 5th gear.

Stilldefinitely impressive gain.

My baselibe is 265/228 but in 4th gear(K&N drop in).

ModsMagnaflow CBE (Mid muffler swapped to Vibrant 1141), berk HFC, K&N Short ram intake. Stock ECU.

Maybe the only way to find out the true hp is tunning and remove the speed limit


Very similar to my 11' w/3.357 axle gearing.
My base had K&N drop-in's & 5th made more to speed limiter.
2nd pic is after bolt-on's baseline. (-upgraded CAI)
3rd is after tune (4th gear & regular CAI from Z1)
Tuner said their Dyno didn't support speeds above 170mph...so pulls were in 4th.
Though he did say that he made 1 short pull in 5th & the torque really rised...gotta dig paperwork up to see if it's listed.
You can expect 20whp+ and definitely a seat of the pants feeling after your tune,,,as my afr was in the low 12's to start with.


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