LOWEST PI mustang dyno numbers

Turbo92PGT · Dec 31, 2005

Car : 1998 Mustang GT
Trans : T45 5 spd
Engine : 99 Windsor PI 4.6L w/ 19K miles
Mods : K&N FIPK, BBK Longtubes, BBK o/r X pipe, Mac Catback, 01 Cobra flywheel, 04 cobra clutch, Crower 68197 Cams, Comp Cams Valve Springs, Modular Depot 92Octane Xcal2 Tune, 4.10 gears

My old engine 120K miles, PI intake, O/R H pipe, Catback, 4.10's, and the K&N intake, made 205RWHP, 243RWTRQ.

This PI motor screams, but why the heck are the numbers so low????

tomustang · Dec 31, 2005

cause it's on a MUSTANG dyno

98blackmagic · Dec 31, 2005

major low numbers, with my current (for now) NON PI motor with my bolt-ons listed in my sig, my car made 238hp and 268tq. That is with my aode trans too, I think my numbers are in the upper teer for non PI cars that still have the stcok heads and cams like mine does. your numbers are a mystery was this a regular dyno or a Mustang dyno? Mine was on a regular dyno and I have been told mustang dynos show much lower numbers than regular dynojets. Oh yea hopeing for another 60-80 at the wheels with the new motor, heads and cams listed as my NEW FOR DECEMBER stuff.

Turbo92PGT · Dec 31, 2005

So was the other dyno on the NON PI motor

98blackmagic · Dec 31, 2005

Turbo92PGT said:
So was the other dyno on the NON PI motor

I assume your talking to me, yes my 238 was made on my orginal non PI motor with all my bolt-ons I have now (longtubes,hpipe,flowmasters,pulleys,PI intake conversion, diablo chip ect.....) I am still waiting for the final touches to be put on the new PI motor before I take my car over to the shop and drop it off for the new PI motor to be put in, and like I said after the new one is installed we are hopeing for an additional 60+ after the new motor is tuned, this is done at the dyno shop where my chip burning and dyno runs are both done.

98blackmagic · Dec 31, 2005

sorry after looking at the thread again you were probally talking to the orginal poster in this thread sorry.

Turbo92PGT · Dec 31, 2005

No Problem dude. Congrats on the high numbers. My car does scream pretty good though. Just doesnt put down high numbers which sucks. haha I guess it doesnt really matter though

Mike97gt · Dec 31, 2005

98 black magics car was probally run on a standard chassis dyno where the "low" car was run on a mustang dyno.. the mustang dyno will read lower because it's a different type of dyno.. the mustang dyno takes weight into account.. they make it harder too spin the dyne so the power output is lower.

tomustang · Dec 31, 2005

Mike we missed you

Crzyhrse · Dec 31, 2005

Did you just go for straight dyno numbers or did they do a tune also?

Crzyhrse · Dec 31, 2005

Did you just go for straight dyno numbers or did they do a tune also? I got my Mach dynoed and tuned at Blood's. They installed a bung and adjusted the AFR and played with the spark advance also with my Predator. I was happy with the results. I figure on a Dynojet I'm pushing 300 at the rears with not much for mods. Oops, double post.

hotmustang331 · Jan 1, 2006

Wait, something isnt right. You didnt even gain 20RWHP. In reality, you should be dynoing VERY close to or at 270RWHP on that dyno...about like crzyhrse's mach.

Something isnt right, whats the A/F and stuff look like?

hotmustang331 · Jan 1, 2006

Oh yea....6700 is too high for your rev limit IMHO. Set it down to 6500(where mines at). When your approaching 6500, spun rod bearings become a problem. Keep an eye on your oil...low oil is what usually causes the bearings to spin, and these engines use alot of oil at RPMs like that.

98blackmagic · Jan 1, 2006

svttech76 said:
98 black magics car was probally run on a standard chassis dyno where the "low" car was run on a mustang dyno.. the mustang dyno will read lower because it's a different type of dyno.. the mustang dyno takes weight into account.. they make it harder too spin the dyne so the power output is lower.

yep standard chassis dyno, my numbers are still impressive for a non PI car on a chassis dyno . Dont you think?

98blackmagic · Jan 1, 2006

Turbo92PGT said:
No Problem dude. Congrats on the high numbers. My car does scream pretty good though. Just doesnt put down high numbers which sucks. haha I guess it doesnt really matter though

Always remember the dyno is just a tool to measure a cars power numbers, what it does on the street/track is where it really matters. And of course you being happy with your car is the BOTTOM LINE, if your happy nothing else matters PERIOD.

DropTopPony · Jan 1, 2006

Is your MD tune a mail order? I'm guessing you'll really benefit from a dyno tune.

mattkimsey · Jan 1, 2006

Could just be a low reading dyno. Did you dyno the non-pi setup on the one?

Mike97gt · Jan 1, 2006

tomustang said:
Mike we missed you

whats up tom.. i missed you guys too.. i see you have a fan club going now..

Mike97gt · Jan 1, 2006

98blackmagic said:
yep standard chassis dyno, my numbers are still impressive for a non PI car on a chassis dyno . Dont you think?

yeah your numbers were very good for a NPI car.. just tring too tell him why his were so low.. good luck with your new setup..

98blackmagic · Jan 1, 2006

svttech76 said:
yeah your numbers were very good for a NPI car.. just tring too tell him why his were so low.. good luck with your new setup..

thanks :SNSign:

LOWEST PI mustang dyno numbers

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