What is the best cams for Nitrous Oxide Systems direct port kit #04431 on the SR20DE? I know when i was back in the small block chevy days you could buy cams specifically designed for squeeze. What is the grinds/characteristics ie: duration, lift ,etc usually on these cams? More torque for bottom end? Or, more top end for speed? note : my car will see the 1/8th /and daily drives;).. so which cams, the JWT S series, or JWT C series, or any other makes........thanks alot

Stock cams work well enough to get you in the 13s easily. :D

Spend the money on a GOOD 2.25-inch exhaust, IMHO.

Good to see another small block Chevy person hanging around here. :)

I second Greg on his coment. Stock cams with squeez will run awesome. 13's with a directport set-up is somthing that can and has been done.

here is the system that sounds nice, tell me what u go go juice guys think about it for my sr20....sounds nice i want # 04431(A) kit

check link below for details/photos lemme know what u think


80-225
HORSEPOWER
ADJUSTABLE

PRO RACE FOGGER IMPORT SYSTEMS
System Application
04430 (A) Pro Race Fogger 4 cyl. systems w/stainless soft plume nozzles
04431 (A) Pro Race Fogger 4 cyl. systems w/stainless annualar nozzles
Note A: Available with 15 lb. bottle. Add -15 to part number
http://www.holley.com/HiOctn/ProdLine/Products/NOS/importfoggers.html

#4430 will be a great place to start. Other things you'll need:

-Drill. To drill and tap your intake manifold runners.

-NOS tubing bender (or one that can bend small 1/8-1/16" metal lines). You have to bend each line yourself. It's easy to learn/do.

-Dremel or other tool for cutting the lines to specific lengths.

-Jets for the fuel pressure we run, stock. Usually, NOS kits have jettings for carbureted engines. NOS can fax you a chart with jetting recommendations based on fuel pressure, if you call their tech line and ask nicely. :)

-NOS brand bottle warmer/heater with thermostat. Nitrous is ALL about bottle pressure, and bottle pressure is determined by temperature.

-NOS brand purge valve kit. Makes a huge difference, IMHO, having fresh nitrous *right there* at the solenoids.

Good luck!

You're the man Greg!!!!! Thank God for this new subject on the forum.!!!!!

detis4me;

I'd get the 90-degree Soft Plume nozzles, if it were me. That way, you can just drill/tap straight down into the intake manifold, and let the Fogger make the 90-degree turn for you.

The Annular Discharge nozzles have to be drilled/tapped at about a 30-degree angle or less. Which will be tricky and won't leave a lot of room for the hard lines.

Just wanted to throw that out there. :D

-GP-

ahh i c , thanks greg, now i know, what i need to get the job done.. i appreciate it guys....Todd

hey greg, what size jets do you recommend starting out with? what size do we run usually , and what is/should be our optimal fuel pressure? and also do i need a aftermarket f.p. regulator?

On the stock pump, you're good up to about a 75hp shot. Use the stock fuel pressure, no need to get a FPR.

As for jetting...every car/engine is slightly different. I suggest you call NOS' tech line and ask their help. Know your stock fuel pressure before you call.

-GP-

i was planning on ordering a walbro 255lph pump. being it is only 114 shipped.. id rather rest assured i have enough fuel for the fire, will i be able to hit off a 100 shot? or will i need bigger injectors/370cc?

Originally posted by detis4me
or will i need bigger injectors/370cc?

Not if its a wet kit, the fuel solenoid does all the extra work.

cool thanks