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the-big-e
11-23-2004, 05:40 PM
Any tips on getting free HP out of my stock 89 SC?

Thanks

Jake
11-23-2004, 05:52 PM
first remove the air silencer, this will be your only free hp. Then remove as much weight out of the car as possible.

93SuperCoupeBoy
11-23-2004, 06:08 PM
Drive the car when it is cold/cool outside....there's a LITTLE more free HP. :P

birdofprey
11-23-2004, 06:21 PM
You could also take off your exhaust from the exhaust manifolds and port out that lip and the end of the exhaust manifold.

the-big-e
11-24-2004, 02:17 PM
What is involved with removing the air silencer?

90blkbrd
11-24-2004, 02:35 PM
What is involved with removing the air silencer?

Follow these directions:

http://www.mn12performance.com/mn12how-to/airbox/airbox.htm

the-big-e
11-24-2004, 04:11 PM
The work scope on this sounds easy to do.....

How often is it recommended to change the filter element?

MIKE 38sc
11-24-2004, 05:04 PM
There really is'nt any timeframe set in stone on that. The enviromental conditions in which you drive your car in dictate that, as you should know. :)

1990_XR7SC
11-24-2004, 10:36 PM
The work scope on this sounds easy to do.....

How often is it recommended to change the filter element?

Never(if you have an K&N :p ) j/k
thanks for posting the link about the air box. I have to fight my k&n to close the top now I know you have to file the box a little.

MIKE 38sc
11-24-2004, 11:24 PM
Never(if you have an K&N :p ) j/k
thanks for posting the link about the air box. I have to fight my k&n to close the top now I know you have to file the box a little.
Would'nt cleaning the element qauntify as changing the element?
After all you'll wait longer for that element to dry after washing it than it takes to throw a new element in. :p