For my 92 FXSTS Springer, 15,000 mile original so I'm trying to stay as close to stock looking as I can.

Doing an Andrews EV27 cam, can I leave the stock A/C & filter, and the stock slip ons, can I maybe just drill out or alter the baffles? Does anyone know the part # for SE II slip ons from back in the day, maybe find a set on E-Bay?

Thanks.

 

The short answer is yes you can leave the stock A/C and filter.
You don't have to mess with the slip-ons if you don't want to.

 

May need to adjust carb and yes open up the exhaust.

 

When I installed my EV 27 I didn't change anything else and it ran fine.

 

But slow........

 

I would keep the original air cleaner hardware (backplate and etc) but change an air filter element. It gives more air but you still have the original air cleaner. Here is K&N alternative for stock air filter element:

 

Thanks, part # or where you ordered from?

 

I bought my first evo from the oo back in March. I had never been on one prior so I had nothing to compare it to, except twinkies. When I had her gone through at HD, they told me the carb would have needed attention along with the different pipes over stock.....based on the ev-27 that I knew was in her. I think they may have said something about the air cleaner too, Idk? How can I tell if mine is stock and, if it is, what would the one you are suggesting do for performance? My baby is what I would call kind of a pig. But from maybe 55 mph up, she has some ball$$ if I get on her. This is typical of this cam, no?

 

EV3 GRIND CAM
Bolt-in cam for light bikes (FXRS, etc.) adds significant mid-range power without affecting idle
A 6,000+ rpm cam for stock heads and springs with hydraulic lifters

EV5 GRIND CAM
Designed for mildly stroked motors or motors with head work done
Works with stock hydraulics, with stock spring travel set to .560" minimum
Excellent power in the 2,500-6,500 rpm range

EV7 GRIND CAM
Designed for big-inch stroker motors with head work
Works with stock hydraulics, with stock spring travel set to .560" minimum
Excellent in the 2,800-6,500 rpm range

EV13 GRIND CAM
Bolt-in cam for street or touring use with more mid-range and upper-end power than the stock 88 EV cams
Especially effective in reducing oil temperature
Uses stock springs

EV23 GRIND CAM
Bolt-in cam for heavier touring bikes and high-geared bikes with 65-tooth rear pulleys
Crisp throttle response and strong pulling power from 1,500 to 6,000 rpm
Works well in higher altitudes

EV27 GRIND CAM
Bolt-in street cam with fast open and close ramps
Similar timing to EV3, but designed to produce a very broad torque band
Pulls from 1,500 to 6,000 rpm

EV38 GRIND CAM
Lower lift exhaust for easy installation
Bolt-in for lighter bikes (FXLR, etc.)
Great mid-range and high-end power
Longer exhaust cam lowers oil temperature

DEV46 GRIND CAM
Bolt-in performance cam with fast open and close ramps
Similar to EV3 but higher static compression pressure for 4,000+ rpm with stock heads and hydraulic lifters

EV51 GRIND CAM
Long duration for modified street motors
Works with stock hydraulics
Easy installation
Power range from 3,000-6,500 rpm

EV59 GRIND CAM
Designed for modified 80" to 88" motors
For use with high lift springs and collars
Very broad powerband to 6,000 rpm

EV72 GRIND CAM
Upgraded EV7, for 92" or larger street motors
For use with Andrews springs and titanium collars
Very broad powerband, 2,800-6,000 rpm
OK for use with hydraulic lifters

 

It's K&N HD-1390 as far as I remember. It should fit 1990-1999. Last time I bought it in HD dealership. The price online is ~40-45$