Roush max grip

S281SC#08

New Member
Aug 21, 2005
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Clovis, NM
ok i have two questions

what is the difference with the max grip differentral and Limited Slip

2nd question
when i had my car dynoed i seen 310 at the rear wheels but only 5lbs boost in 4th gear i am at 4500 feet and that day it was about 95. lately my intercooler as been reading 60 degrees because it is getting cooler now and i am seeing 7lbs of boost in 4th gear so would that mean i have more HP then 310 to my wheels.
 
S281SC#08 said:
ok i have two questions

what is the difference with the max grip differentral and Limited Slip

2nd question
when i had my car dynoed i seen 310 at the rear wheels but only 5lbs boost in 4th gear i am at 4500 feet and that day it was about 95. lately my intercooler as been reading 60 degrees because it is getting cooler now and i am seeing 7lbs of boost in 4th gear so would that mean i have more HP then 310 to my wheels.
It's a known fact that cooler air makes more power. Although your car has discovered an extra 2#'s of boost, don't hold your breath for any really big numbers. I would guess about 325 rwhp.

As for the diffi question, I don't know.
 
Dyno:
Your car is making more "actual power" than it was before.

Your Dyno runs *should* have been SAE Corrected, thus giving you the correct numbers regardless of where you are etc.


Diffs:
The capability of the max-grip to immediately respond to variable road conditions provides better traction, and it also enhances the general performance of a vehicle. There is a marked improvement in total tractive effort as compared to open or conventional limited-slip differential equipped vehicle. In addition, the efficiency allows the engine's torque output to be used more effectively, delivering more horsepower to the road.