Dyno Results... little help?

[mnbf]

Well i got my car dyno'd on the weekend and theses are the results ...need a little input on them cause they arent seeming good... this was done on a mustang dyno if that changes anything.

http://members.shaw.ca/haichert/DSCF02182.jpg
Dyno at a glance.

http://members.shaw.ca/haichert/DSCF02222.jpg
Dyno up close a\f is there as well ( it was only tail pipe sniffer)


please let me know

p.s. 230.5 @ 5100rpm HP
259.8 @ 4300rpm TQ
A\F from 13.54 to low of 12.40 avg A\F ~ 13.10
if pictures stop working

 

[joestang98]

mustang dyno reading are lower than a dyno jet.

 

[mnbf]

???

Anyone else chime in on this?

 

[mnbf]

hmmm

19 views 1 reply ... gotta be someone out there who has a suggestion...

 

[slvrbullIT]

yeah the mustang dyno reads lower, the numbers would be 10-15hp higher on a dynojet.

 

[Bullitt03]

Maybe you can find a dyno-jet for the dyno to do a comparision of the two

 

[mnbf]

Maybe you can find a dyno-jet for the dyno to do a comparision of the two

I had to travel 5 hours just to get on a mustang dyno lol ... theres no dyno's in my arera

 

[hotmustang331]

If memery( EDIT memOry LOL) serves correctly an 03 cobra could only manage 319 at the wheels on a mustang dyno...so I dont think your doing too bad...a s/Cd mach got like 340.

 

[alsyr44]

I dont know how much HP/TQ you think you should have for your mods.....but my numbers were on a mustang dyno and I am stock, so maybe you can compare it that way.

The MD is more of a real world dyno. It calculates the weight of the car and measures wind resistance as your speeds increase and some other technical stuff I really dont know.

I found this formula somewhere, I cant say if it is 100% accurate, but using it my numbers would be 235/291 stock and you would be 256.8/293.2.

Anyway the formula is ((_/2017)+1)*_

The underscore being the HP or TQ.

 

[03trubluGT]

I'm thinking with pullies and exhaust that you are doing pretty good for a Mustang Dyno.

Your DynoJet numbers would probably be about 260 RWHP.

Matt

 

[blkchevyz]

ok i've been seeing this alot on here, do all mod motors start off really lean then fatten up? that just seems backwards to me.

 

[Zinc03GT]

ok i've been seeing this alot on here, do all mod motors start off really lean then fatten up? that just seems backwards to me.

Yup, and it is correct. When you're at low rpms you aren't really getting much gas but as you get into the rpm band more gas is sprayed causing it to become richer.

As far as the dyno results, the Mustang dyno is definitely lower than a dyno-jet, but I'm not sure of any good way of calculating what your #s would be on a dyno-jet. Take it to the track and see if you're happy.