k&n air filter
phezanthawk at wowway.com
Tue May 15 14:07:51 PDT 2007
> This is a mod I've been contemplating for quite awhile. I'd be interested
> to hear more about the performance benefits and/or consequences you've
> noticed since making the change.
> Dave B
We must understand that my perception of performance gains is by the
This is also contributed to by more intake noise...kinda
like taking the air filter off my dad's 1963 Pontiac Bonneville.
I can assure you that there is improvement. I suppose
a dyno run would be necessary to quantify the improvement, and I suspect
somebody out there has
already done this.
I also have dropped a tooth on the countershaft sprocket, but that was done
long before the intake mod.
It seems it may have lost a little grunt below 4k rpm, but the midrange and
high end are definitely substantially stronger.
Still, all the R&D has been done. I just followed Mr. Northrup's
instructions, and I was good to go.
Larry in Michigan
More information about the GPZList