1998 Mustang GT 4.6

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04-23-2010, 10:14 AM

#21

devongarver

5th Gear Member

Join Date: Mar 2008

Location: Ohio

Posts: 2,994

Quote:

Originally Posted by Freeman257

How much would the full P.I. swap run me and how much horsepower would I gain. I talked to the previous owner a few minutes ago and said he had it Dynoed in Louisville and It was at 244 rwhp, and 268 at the crank. Also I would not be instaliing it, I would have to pay for the labor also. I just really want to get rid of the plastic looking intake manifold and change the cams.

Did anyone else notice this is only like 8.95% parasitic loss?????

WTF?!

The lowest I have seen is like 12-13%....whic would mean even if he did have 268 crank HP, he would be at like 235rwhp...which still seems WAY high for this car.

I call B.S.

04-23-2010, 11:12 AM

#22

stangalator

4th Gear Member

Join Date: Apr 2008

Location: New York

Posts: 1,306

dyno numbers are nearly useless unless you use the same dyno and compare before and after numbers. I mean I dynoed at 245/275 but I run 13.4's at the track...

track times > dyno numbers

I know everyone knew that though