wherezmytofu

should i check if the cams were installed wrong?

installed bc stage 2 n/a cams. just dynoed today before i throw my sc in. here is the info:

"stock dyno" : aem intake, comptech header, comptech exhaust. 70mm tb, gutted intake
elevation: 600'
temp: 88 °F
Humidity: 76
dyno: Dynojet 224X



dyno from today : same + bc stage 2 n/a cams.
elevation: 1207'
temp: 98 °F
Humidity: 39
dyno : dynojet 248


(shops internet was dead and printer died also...so camera shot)

dyno guy said probubly issue because no tune. i remeber seeing a thread before with cams being installed incorrectly and people losing hp? cant seem to find it.

zeroptzero

Very simple. Honda engineers spent countless hours making sure the entire package worked well together and was tuned as a package , Brian Crower does not.

s2000ellier

rev it to 10000rpm

afzan

Your s2000 wouldn't be the first one where the bc2 made less power than oem

Chibo

You can't compare dynos against each other like that, and it's even harder to see what's going on since they are both scaled differently.

Scigheras

Your ECU is tuned for the stock cams. You are not expected to gain power without a retune for the bc cams.
Also as the guy above said: comparing dyno plots between different dynos does not work, one might read lower/higher than the other.

deception9

humidity and temp are quite different. and it looks like you used different dynos.

plus, all that other jazz people are saying about BC cams.

riceball777

There is a reason that all high power s2000's both all motor and boosted most all run stock cams my self include. After market cams making less power than oem cams is not a new thing.

davidc1

Unfortunately your two dyno comparisons are completely meaningless.

You've got different dynos, different temps, different humidity, different elevation, probably different barometric pressure and neither of them indicating what correction factor was used. You cannot do any comparison at all.

The variances in hp indicated with typical variances in all these measurements and correction factors can be 20hp easy.

So, again, you can't do any comparison at all.

wherezmytofu

i cant dyno in the same dyno anymore...i moved....i guess ill use this one as my baseline now