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Random thoughts on dyno documentation & interpretation

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Old Sep 29, 2010 | 08:28 PM
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Gary Wells's Avatar
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Default Random thoughts on dyno documentation & interpretation

After reviewing some of my data and charts on the dyno info that I have accumulated over the last year or so, it’s become somewhat apparent that I missed some key interpretation points along the way, or did not have enough data available to make a good judgment call.

On manual (M6) cars, Dynopacks produce #’s very similar to #’s produced by a Dynojet, and might even produce #’s a tad lower than than a Dynojet.

I think that Dynopack dynos produce the most consistent readings. This does not mean that they are the most accurate, but consistency of #’s is a good starting point.

Mustang dynos seem to produce the lowest #’s of those documented.

DYNOmite dynos seem to produce the highest #’s of those documented.

Cad bone stock RWHP & RWTQ (Manl) (all dyno types):

RWHP--RWTQ----Trans----Locale-----Owner------------Date--------------Dyno

457------448------manl------Txs------stealthjr---------07-10-09--------Dynojet
462------501------manl------Ill--------Razorecko------05-01-09--------Mustang
466------464------manl-----Kali-------Luna-------------05-??-09--------Land&Sea
491------496------manl-----Md--------Tbjs--------------04-20-10--------Dynapack
493------511------manl-----Cal--------fleadh------------04-28-10-------Dynapack
494------483------manl-----Txs-------Silver –V---------01-16-09-------Dynojet
500------481------manl-----Ala-------roarkb------------03-06-10-------Dynojet
502------490------manl-----Txs-------TrevorD---------12-25-09--------Dynojet
507------525------manl-----Ind-------backup-----------09-26-09--------Dynomite
525------519------manl-----NY--------aj660------------10-22-10--------Dynomite

Manual bone stock RWHP & RWTQ (all dyno types) 10 samples
RWHP Average (10 samples) = 4897/10= 489.70 RWHP
RWTQ Average (10 samples) = 4918/10= 491.80 RWTQ
Updated & verified: 09-26-2010



However, on automatic transmissions (A6), it seems that the #’s produced on the Dynopack readings are high compared to the Dynojet readings.

Cad bone stock ’09 & up RWHP & RWTQ (Auto) (Dynojet):

rwhp-----rwtq------corr ---------date----------state-------owner

425-------425-------sae-------05-05-10-------txs--------wfo--------------
429-------423-------sae-------12-10-08-------ind-------wait4me-------
429-------430-------unc-------09-26-09-------cal--------garywells-----
430-------???--------std--------??-??-??---------nev-----Zippy----2009 CTS-V
436-------432-------xxx-------12-17-09-------uae-------tagzo-----------
438-------432-------xxx-------00-00-09-------ohi-------drbuzz---------
439-------435-------std-------06-14-10-------nev-------zippy-------2010 CTS-V
440-------427-------xxx-------02-19-10-------cal-------cts-v-twin-----
442-------442-------sae-------07-20-09-------cal-------katmcrat------
444-------442-------sae-------03-18-10-------flo-------veelocity-------
447-------450-------sae-------04-03-10-------ill--------prof-------------
451-------439-------sae-------02-25-10-------txs-------richeic77------
454-------453-------xxx-------05-03-09-------??--------mafungu-------
457-------459-------xxx-------10-07-09-------flo-------lowet------------
459-------459-------sae------ 12-07-09-------txs-------nineball---------
459-------462-------xxx-------01-27-10-------ari-------mike09v--------
460-------454-------sae-------01-07-10-------txs-------dons-------------
460-------461-------sae-------02-18-10-------ncl-------heintzrac-------
462-------445-------std-------05-05-10-------md-------tmc cl65--------
463-------461-------xxx-------04-16-10-------ne--------intrvnton302--
465-------447-------std-------01-26-10-------txs-------richeic77--------
466-------463-------sae-------03-18-10-------nc--------heintzrac--------
471-------475-------sae-------01-07-09-------txs-------davegolder------
474-------481-------sae-------02-22-10-------txs-------jcampbell--------
488-------470-------sae-------04-25-10-------can------newcadman-----
493------519-------xxx------01-29-09-------cal----D3 (craig)--A6--(Dynopack)
498------515-------xxx------01-16-09-------cal-----garywells--A6--(Dynopack)

Auto bone stock RWHP & RWTQ (Dynojet only) 25 & 24 samples:
RWHP Average: 10419 / 25 = 451.52 average
RWTQ Average: 10332 / 24 = 448.63 average
Verified: 09-23-2010

Sorry for the long post

Last edited by Gary Wells; Sep 29, 2010 at 08:33 PM.
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Old Sep 29, 2010 | 11:32 PM
  #2  
Tony Mamo @ AFR's Avatar
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I like working on DynaPack dyno....its like working on an engine dyno the way it loads the engine and pulls the RPM down to your desired sweep (start) RPM. It also loses the weight of the rims and tires as a variable (it's a "hub" style dyno) making it a little more consistent as you have noticed.

Interesting post....

-Tony
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